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Engineering Teaching & Research Equipment

for schools, colleges and universities

armfieldChemical | Civil | Mechanical | Geoscience | Environmental | Agricultural | Marine | Food

NEW Chemical Engineering Teaching & Research units : > Gas absorbption > Liquid / liquid extraction> Water cooling tower

NEW Food Technology Teaching & Research units : > Carbonator / filler > Cross flow membrane filtration> Vacuum freeze dryer > Mixing vessels

NEW Data logging, acquisition and control software

edition 11issue 2

An ISO 9001 Company

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* Excluding DLMx range

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An ISO 9001 Company

www.discoverarmfield.com

Our commitment to youWelcome to our eleventh edition catalogue!

Armfield Limited has over 50 years experience in the design and supply of equipment for teaching engineering. In that time they have been consistent innovators bringing many new concepts and products to market, expanding their comprehensive range of quality teaching equipment to a level unsurpassed by any other company in this field.

While others may copy, Armfield has a clear vision to provide new and unique ways of introducing and educating the student population in all areas of modern engineering. From highly visual basic entry level, up to units for teaching the most advanced engineering concepts Armfield does it all!

The company recognises that it is not enough to supply equipment, but that it must also ensure a complete range of services both pre and post sale. Armfield strive to make the passage of communication as easy as possible, whether the task is seeking data prior to a purchase or support after a sale. With a market place that covers all points of the globe, communication is an essential part of that service and our committed after sales service keeps us at the forefront of the industry.

This is a position we have enjoyed for many years and coupled with our continuing commitment to research and development, enables armfield to stand proudly ahead of the field.

This eleventh edition of the short form brochure reflects this ethos and the options available to obtain data. We hope you will find it a useful and rewarding aid in your search for engineering excellence within your teaching and research laboratories.

Chris Addis MD - Armfield

WHATS NEW IN EDITION 11 ISSUE 2

Edition 11 issue 2 showcases new additions to our Chemical Engineering range and the exciting introduction of our new Desktop Learning Modules (DLMx) range, which pro-vides invaluable and intuitive hands-on learning for Schools, Colleges and Universities covering studies in Fluid Mechanics, Heat Transfer and Thermofluids!

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Desktop Learning Modules

Acquisition & Control Software

Fluid Mechanics

Fluid Machines

Hydraulics & Hydrology

Water Treatment

Irrigation Water Management

Thermodynamics

Heat Transfer

Refrigeration & Air Conditioning

Internal Combustion Engines

Structural Engineering

Mechanical Engineering

Chemical Engineering

Unit Operations

Biochemical Engineering

Process Control Technology

Food Technology

Additional peace of mindArmfield products carry our two year extended warranty*, are CE certified and quality assured by our ISO 9001 accreditation. See inside back page for further details.

All products certified

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* Excluding DLMx range

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DLMX SERIES - DESKTOP LEARNING MODULESCIVIL | CHEMICAL | MECHANICAL | GEOSCIENCE | ENVIRONMENTAL | AGRICULTURAL | MARINE | FOOD | PUBLIC HEALTH

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view full details online:www.armfield.co.uk/dlmx

DLM-1 Cross Flow Heat Exchanger

This cartridge demonstrates the function of a fan and radiator to cool water. The DLMX reservoir is filled with hot water, which is pumped through the heat exchanger. The inlet and outlet water temperatures are measured to demonstrate the cooling effect. The relationship between heat transfer and water flow rate can also be investigated.

DLM-2 Fluidised Bed

A highly visual demonstration of a fluidised bed. The onset of fluidisation can be demonstrated and the way the height of the bed varies with the flow rate. The pressure drop across the bed is measured, so the way the pressure varies before the onset of fluidisation and after fluidisation has occurred can be illustrated and compared to theory.

DLM-3 Orifice Plate

The use of an orifice plate to measure flow is demonstrated by measuring the pressure drop across a defined orifice. The geometry of the orifice is in accordance with standard industrial orifice flow meters.

DLM-4 Shell and Tube Heat Exchanger

This cartridge requires two DLMX base units*, one filled with hot water, and one filled with cold water. The inlet and outlet temperatures of both fluid streams are measured, enabling the heat transfer coefficient to be measured and an energy balance to be performed. The two flow rates can be individually varied and the flow direction through the shell can be easily changed. The internal geometry of the DLM-4 is based on industrial 2-1 shell and tube heat exchangers.

DLM-5 Tubular Heat Exchanger (tube in tube)

This cartridge requires two DLMX base units*, one filled with hot water and one filled with cold water. The inlet and outlet temperatures of both fluid streams are measured, enabling the heat transfer coefficient to be measured and an energy balance to be performed. Reversing the flow in the outer tube demonstrates the difference between co-current and counter-current operation.

DLM-6 Energy Losses in Hydraulic Systems

This cartridge simultaneously measures the pressure drop across a straight pipe, a smooth bend and a right angle bend. Each test section is of the same cross section and same path length, enabling meaningful comparisons to be made. The additional energy losses due to the geometry of the flow path can be clearly seen at different flow rates and the relationship to theory can be established.

DLM-7 Venturi System

The DLM-7 demonstrates the Bernoulli equation, showing how low pressure is generated in the throat of a venturi tube, and how this is affected by flow. The flow recovery is also demonstrated by measuring the total pressure drop across the module. The geometry of the venturi orifice is in accordance with standard industrial venturi flow meters, so the use of a venturi to measure flow can also be demonstrated.

DLM-5 Tubular Heat Exchanger (tube in tube)

DLM-4 Shell and Tube Heat Exchanger

DLM-6 Energy Losses in Hydraulic Systems

DLM-7 Venturi System

Multiple language options

Highly visual

Quiet operation

Seven DLM cartridges available at launch

Cartridge system covering different topics

Battery powered

Cost-effective

Proven to enhance student understanding

SMALL ENOUGH FOR THE CLASSROOM, RIGOROUS ENOUGH FOR THE LABORATORY!

DLM-2 Fluidised Bed

DLM-3 Orifice Plate

DLM-1 Cross Flow Heat Exchanger

Cartridge automatically detected Display customised to cartridge fitted

DESKTOP LEARNING MODULES - DLMX SERIES

The DLMX represents the very best in modern engineering teaching equipment. The system is a highly visual learning tool that can be used to teach Heat Transfer, Fluid Mechanics and Thermofluids to students of all ages.

The equipment comprises a small battery operated base unit*, into which one of seven different cartridges is plugged. The base unit contains a water reservoir, pump, controls and viewing panel.

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armSOFT ARMFIELD SOFTWARE SERIES - ARMSOFTARMSOFT - ARMFIELD SOFTWARE SERIES

CIVIL | CHEMICAL | MECHANICAL | GEOSCIENCE | ENVIRONMENTAL | AGRICULTURAL | MARINE | FOOD | PUBLIC HEALTH

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M A N UA L DATA E N T R Y DATA L O G G I N G FAC I L I T I E S ACQ U I S I T I O N A N D CO N T R O L L abV I E W BU I L D E R

Some products are not suitable for data logging, and require the results to be input manually from primary instrumentation such as manometers or thermometers. For these products the ArmSoft aBASIC software offers a powerful tool for displaying and processing the results.

This package has all the data logging and general features of the ArmSoft aLITE package, but also includes computer control. A mimic diagram is used where set points and output values can be specified, PID loops can be tuned, and on-off switches can be controlled.

This package has all the data logging and general features of the ArmSoft aSUITE but has been developed in LabVIEW. This has been designed to provide the user a customisable core LabVIEW package as a building block for customer developed LabVIEW programs. A full version of LabVIEW is required if customisation is desired.

Powerful data logging software with automatic or manual sampling. The data is stored in spreadsheet format, which also contains any calculated values. The software includes powerful graph plotting tools enabling numerous display options, including dual y axes, points or lines, etc.

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FEATURES (note, not all features are necessarily included in all products) aBASIC aLITE aSUITE aCORELVUSB data interface, which can connect to any Windows computer

Open communications protocol enabling customers to construct their own software interface

Individual software packages tailored to suit the equipment and experiments

Graphical representation of the equipment or process

Real-time display of sensor readings and calculated values

Manual input of measured variables where appropriate (e.g. Atmospheric Pressure)

Digital variables show status of switches, valves, etc.

Sensor values scaled to show engineering units

Calibration screens to enable adjustment of individual sensor scaling

Bar chart display of measured variables

Data filtering section to smooth fast transients

Ability to control hardware where appropriate

Digital controls enable switching of pumps, heaters, etc.

Analogue controls enable users to set the level of a control such as pump speed

Software incorporates PID control algorithms to enable closed loop control

PID parameters can be viewed and adjusted by the user

Oscilloscope page for capture of fast transient events (where appropriate)

Manual and automatic data sampling modes

User control over sample rate

Tabular display of measured and calculated data

Facility to add notes to a particular sample

Notepad facility

Flexible graphing facilities for users to plot measured and calculated data

Automatic scaling and formatting of graph axes

Graphs update in real-time

Detailed help document

Automatic port recognition

implemented on some products

Typical ArmSoft aSUITE Controller Screen

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armSOFT Powerful data entry, data logging, acquisition and control software.

Typical Tabular Display Typical ArmSoft aSUITE graphical screenLATEST SOFTWARE FEATURES A COMPLETELY REDESIGNED INTUITIVE USER INTERFACE!

Available for many Armfield products, with a wide range of features. In many cases, the latest software and interface systems are also available as updates to existing equipment.

SCAN QR for online version

All current Armfield data logging products connect to the computer using USB interfaces. This is often a separate unit sold with the software, (E.g. IFD5, IFD6, IFD7). Other products have the USB interface built into the main equipment, and the software is included as standard with the product. For these products, use of a computer may be essential, or it may be highly desirable as some facilities or data are not accessible without the computer.

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S TAT I C S | DY NA M I C S | O PEN/CLOSED CHAN N EL FLOW | R OTO DY NA M I C S | H Y D R AU L I C S

F SERIES - BASIC PRINCIPLES - FLUID MECHANICSFLUID MECHANICS - F SERIES - BASIC PRINCIPLES

COMPLETE FLUID MECHANICS LABORATORY-F1CIVIL | CHEMICAL | MECHANICAL | GEOSCIENCE | ENVIRONMENTAL | AGRICULTURAL | MARINE

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BASIC HYDRAULICS BENCH - F1-10

The F1-10 Basic Hydraulics Bench is designed as a portable and self-contained service module for the entire range of F1 accessories.

This accessory illustrates those circumstances to which Bernoullis Theorem may be applied. Also, separately, why in other circumstances the theorem gives an inadequate description of the fluid behaviour.

BERNOULLIS THEOREM DEMONSTRATION - F1-15

This equipment enables the pressure drop of water passing through a hydraulically smooth circular pipe to be measured in detail and the pipe friction equation to be verified.

ENERGY LOSSES IN PIPES - F1-18

This equipment enables the force developed by a jet of water impinging upon a stationary object to be measured.

IMPACT OF A JET - F1-16

This item reproduces the classic experiments conducted by Professor Osborne Reynolds concerning the nature of laminar and turbulent flow.

OSBORNE REYNOLDS DEMONSTRATION - F1-20

This equipment permits calibration of two orifices of differing diameter.

ORIFICE AND FREE JET FLOW F1-17

This accessory is designed to introduce students to three basic types of flow meter.

FLOW METER DEMONSTRATION - F1-21

The Orifice Discharge accessory enables full analysis of the flow through five different orifices over a range of flow rates.

ORIFICE DISCHARGE - F1-17a

This equipment is designed to produce and measure the characteristics of free and forced vortices.

FREE AND FORCED VORTEX - F1-23If flowing water is suddenly brought to rest in a long pipe, a phenomenon known as water hammer occurs, which produces a pressure wave that travels along the pipe. This principle is used in the hydraulic ram to pump water.

HYDRAULIC RAM - F1-24This equipment demonstrates to students visually, audibly and numerically the phenomenon of cavitation and its association with the vapour pressure of a liquid.

CAVITATION DEMONSTRATION - F1-28

The Armfield Fluid Friction Measurements unit provides facilities for the detailed study of fluid friction head losses, which occur when an incompressible fluid flows through pipes, fittings and flow metering devices. The unit is designed for use with the Armfield F1-10 Hydraulics Bench.

FLUID FRICTION MEASUREMENTS - C6MKII

This accessory permits losses in different bends; a sudden contraction, sudden enlargement and a typical control valve; to be demonstrated.

ENERGY LOSSES IN BENDS AND FITTINGS - F1-22

FLUID DYNAMICS

view full details online:www.armfield.co.uk/f1

This free-standing accessory to the F1-10 clearly demonstrates the difference between the phenomena of pipe surge and water hammer and how each is created.

PIPE SURGE AND WATER HAMMER APPARATUS - C7MKII

Note: Accessories do not include the F1-10 Basic Hydraulics Bench.

S16 Hydraulic Flow Demonstrator (Covers both Fluid Dynamics and Open Channel Flow topics)

HYDRAULIC FLOW DEMONSTRATOR - S16O PE N/C LO S E D C H A N N E L FLO W

This free-standing accessory to the F1-10 demonstrates the characteristics of flow through different arrangements of pipes and the effect of changes in pipe diameter on the flow through a particular network.

PIPE NETWORKS ACCESSORY C11MKII

F1 continued >

view all F1 accessories online:www.armfield.co.uk/f1


S16 - Page 22Working Section

Length 1.100m

Width 77mm

Depth 150mm

For more details of this equipment please visit: www.armfield.co.uk/f1 or scan the QR code. www.discoverarmfield.com

STATICSDYNAMICS

HYDRAULICS

ROTODYNAMICS

OPEN/CLOSED CHANNEL FLOW

Determination of dynamic head using a Pitot static tube. Converting dynamic head to find fluid velocity. Determination of velocity head profile in a pipe.

PITOT TUBE DEMONSTRATOR - F1-33

The Armfield Hydraulics Bench and accessories have long been the benchmark used in fluid mechanics teaching laboratories. The comprehensive range of equipment covers all aspects of the teaching of hydraulics in a safe, visual and easy to understand way, backed up by first class teaching materials.This range of equipment has now been extended and reinforced with an integrated range of hydrostatics teaching accessories together with some new hydraulics products. Thus the complete curriculum can be covered with this attractive range of products.

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F SERIES - BASIC PRINCIPLES - FLUID MECHANICSFLUID MECHANICS - F SERIES - BASIC PRINCIPLESCIVIL | CHEMICAL | MECHANICAL | GEOSCIENCE | ENVIRONMENTAL | AGRICULTURAL | MARINE

Note: Accessories do not include the F1-10 Basic Hydraulics Bench.

HYDRAULIC FLOW DEMONSTRATOR - S16

The S16 operates as an accessory to the F1-10 Hydraulics Bench, offering a highly visual demonstration of flow through both open channels and closed conduits. Includes a unique elevating bed section, and models of various hydraulic structures. Covers both fluid dynamics and open channel flow topics.

O PE N/C LO S E D C H A N N E L FLO W

view full details online:www.armfield.co.uk/s16

H41 Laser PIV compatible See page 25

MULTI-PURPOSE TEACHING FLUME - C4MKII

The Armfield Multi-purpose Teaching Flume has been specifically designed to demonstrate the principles of fluid mechanics when applied to engineering structures in open channel flow.

view full details online:www.armfield.co.uk/c4mkii

FLUID STATICS OPEN CHANNEL FLOW (Free surface flow)

FLOW OVER WEIRS - F1-13

The Flow Over Weirs accessory consists of five basic elements, used in conjunction with the flow channel, in the moulded bench top of the Hydraulics Bench. Two weir plates of different shapes are provided enabling familiarisation and comparison with theory.

> Demonstrating the characteristics of flow over a rectangular notch

> Demonstrating the characteristics of flow over a vee notch

> Determining the coefficient of discharge

FLOW CHANNEL - F1-19

The Flow Channel introduces students to the characteristics of flow in an open channel at an elementary level.

> Demonstrating basic phenomena associated with open channel flow

> Visualisation of flow patterns over or around an immersed object

DEMONSTRATION PELTON TURBINE - F1-25The Demonstration Pelton Turbine provides a simple low cost introduction to turbine performance.

CENTRIFUGAL PUMP CHARACTERISTICS - F1-27This accessory offers similar features to those described for the F1-26, but with enhanced capabilities provided by an inverter driven variable speed pump rather than a fixed speed pump.

This calibrator functions on the same principle adopted in calibrating industrial pressure gauges.

DEAD WEIGHT PRESSURE GAUGE CALIBRATOR - F1-11

The Hydrostatic Pressure accessory has been designed to determine the static thrust exerted by a fluid on a submerged surface, it also enables comparison of the measured magnitude and position of this force with simple theory.

HYDROSTATIC PRESSURE - F1-12

This equipment enables a complete investigation of the factors affecting the stability of a floating body.

METACENTRIC HEIGHT - F1-14

The introduction of a second pump to the Hydraulic Bench system enables the study of two pump performance, both in series and parallel operation.

SERIES/PARALLEL PUMPS - F1-26

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The Pascals apparatus provides a simple demonstration that the pressure in an incompressible fluid varies with depth and does not depend on the shape of the container.

COMPLETE FLUID MECHANICS LABORATORY - F1

This apparatus provides an introduction to the behaviour of liquids under hydrostatic conditions (fluid at rest) and the application of these principles to pressure measurement using manometers.

FLUID STATICS AND MANOMETRY - F1-29

FLUID PROPERTIES APPARATUS - F1-30

DEMONSTRATION FRANCIS TURBINE - F1-32This demonstration turbine provides an introduction to the Francis inward flow reaction turbine.

ROTODYNAMIC MACHINES (Fluid machinery)

This apparatus provides an introduction to the fundamental properties of liquids that affect their behaviour in practical applications.

F1-19Working Section

Length 0.615m

Width 15mm

Depth 150mm

C4MKII - Page12Working Section

Length 2.5/5m

Width 76mm

Depth 250mm

PASCALS APPARATUS F1-31




For more details of this equipment please visit: www.armfield.co.uk/f1 or scan the QR code. www.discoverarmfield.com

S16 - Page 22Working Section

Length 1.100m

Width 77mm

Depth 150mm

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The head loss caused by fluid friction in straight pipes and the effects of fluid velocity, pipe diameter and surface roughness can be fully investigated using this apparatus.

The complete system enables the investigation of the phenomenon associated with incompressible fluid flow in pipes.

ArmSoft educational software for fluid friction measurements is available Data logging accessory available

Supplied as an accessory to the Armfield F1-10 Hydraulics Bench, the C6MKII can be used with any recently supplied F1-10. See page 6/7.

FLUID FRICTION MEASUREMENTS - C6MKII

This equipment enables a full study of the classic experiments conducted by Professor Osborne Reynolds into laminar and turbulent flow. As a result of careful attention to the entry conditions, the student is assured of repeatable results.

Meeting commercial standards, this laboratory dead weight calibrator is for gauges in the range 0.1-300bar. Accuracy is 0.03% of reading, traceable to International Pressure Standards.

This self-contained unit, providing a long, smooth-walled pipe connected to the suction inlet of a centrifugal fan,

is used to demonstrate how to measure important characteristics of industrial air distribution systems.

It can also show how certain basic principles of fluid mechanics may be applied to

analyse flow in ducts and jets.

Data logging accessory H14/2 available. See page 25.

A wall mounted apparatus in which particles of various size and density can be used to introduce the fundamental characteristics of the behaviour of particle/fluid systems. In particular, the relationship between the drag coefficients of falling particles and their Reynolds number value.

A practical instruction unit designed to demonstrate the properties of fluids and their behaviour under hydrostatic conditions.

A variety of measuring devices enables 16 experiments to be carried out to develop an understanding of a wide range of fundamental principles.

PRECISION PRESSURE GAUGE CALIBRATOR - F4

OSBORNE REYNOLDS APPARATUS - F5

AIR FLOW STUDIES - F6

PARTICLE DRAG COEFFICIENTS - F12

FLUID PROPERTIES AND HYDROSTATICS BENCH - F9092

An elegant method of flow visualisation, where hydrogen bubbles are used to visualise fluid mechanics phenomena so difficult to describe theoretically.

The system utilises a unique fluid drive unit to provide smooth flow in the working channel.

An optional high resolution firewire webcam can be used to link to projectors or displays for large-scale presentations.

HYDROGEN BUBBLE FLOW VISUALISATION SYSTEM - F14MKII

C SERIES - ADVANCED FLUID MECHANICS - FLUID MECHANICSFLUID MECHANICS - F SERIES - BASIC PRINCIPLESCIVIL | CHEMICAL | MECHANICAL | GEOSCIENCE | ENVIRONMENTAL | AGRICULTURAL | MARINE

This wind tunnel has been designed to provide the fundamental air flow facilities necessary to perform basic wind tunnel experiments. Its mobility makes it uniquely suitable for both laboratory or lecture room and the performance of the tunnel and its instrumentation make it suitable for simple project work. Data logging accessory H14/2 available. See page 25.

SUBSONIC WIND TUNNEL - C2

view full details online:www.armfield.co.uk/c2





A versatile apparatus, based around a multi-stage air compressor, designed to teach the concepts of compressible flow. The basic unit contains all that is required to demonstrate the fundamental principles, but an accessory is also available, containing a number of interchangeable test sections to give a wider knowledge and understanding to the student.

A further accessory enables full compressor performance and characterisation tests to be carried out.

This new MkII version offers greatly improved flexibility and ease of use. It also benefits from electronic instrumentation avoiding the need for mercury manometers.

COMPRESSIBLE FLOW UNIT - C1MKII

view full details online: www.armfield.co.uk/f12

view full details online: www.armfield.co.uk/f4

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The Armfield C15 is a new computer controlled subsonic bench-top wind tunnel designed for undergraduate teaching. It has a 150mm (six inch) transparent working section and offers a wide range of models for aerodynamic and air flow studies.

An extensive range of models, accessories & instrumentation is available for the C15-10

COMPUTER CONTROLLED SUBSONIC WIND TUNNEL - C15

C15 AccessoryWake Survey Rake - optional

C15 ModelLift and Drag Aerofoil - optional

C15 ModelDrag Models - optional

C1-MkII-DTA-ALITE Data Logger and Educational SoftwareC1-MkII-30Additional Test Sections




To view full range online please visit: www.armfield.co.uk/fluid_mechanics or scan the QR code. www.discoverarmfield.com

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SOFTWAREArmSoft


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C SERIES - ADVANCED FLUID MECHANICS - FLUID MECHANICSFLUID MECHANICS - C SERIES - ADVANCED FLUID MECHANICSCIVIL | CHEMICAL | MECHANICAL | GEOSCIENCE | ENVIRONMENTAL | AGRICULTURAL | MARINE

view full details online:www.armfield.co.uk/f1-14



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Length 2.5/5m

Width 76mm

Depth 250mm


NA SERIES - NAVAL ARCHITECTURE

The apparatus is designed to enable an investigation of a simple model hull form enabling many of the principal phenomena connected with ship resonant vibration to be clearly demonstrated.

At a more advanced level, the distribution of mass and second moment of area may be calculated and natural frequencies estimated/compared with measured values.

SHIPS VIBRATION APPARATUS - NA4 SHIPS STABILITY APPARATUS - NA8

Developed for the laboratory study of ship hydrostatics and stability. The complete apparatus comprises four different types of vessel models with ballast weights, clinometer and a water tank in which to float them. Righting moment is measured by a free-standing dynamometer.

Comprising a rectangular floating pontoon with a mast, provision is made to vary the centre of gravity, measure the angle of heel and vary the degree of the heel.

METACENTRIC HEIGHT - F1-14

Engineers and technicians need to be aware of the basic principles of flow measurement devices and their characteristics. This item enables the accuracy, linearity and repeatability of a wide variety of flow meters to be determined.

Enables comprehensive grid measurement and photography of two dimensional laminar flow patterns in incompressible fluids. The equipment extends the classical Hele-Shaw approach by including eight sinks and sources, plus a dye injection system, enabling flow patterns to be seen more vividly.

PIPE SURGE & WATER HAMMER APPARATUS - C7MKII

COMPREHENSIVE FLOW METER DEMONSTRATION - C9

LAMINAR FLOW TABLE - C10

A low cost laboratory flume with an experimental range and accuracy comparable with larger-scale research flumes. Students can clearly see the models under investigation through the transparent side walls. A wide selection of open channel experiments can be performed.

A set of models and gauges are provided with the flume as part of the standard supply, comprising:

Venturi flume Sharp and broad crested weirs Crump weir Adjustable undershot weir Two Vernier level gauges

Available in 2.5m and 5.0m working section lengths. Optional educational software is available (C4-MkII-ABASIC) offering a complete teaching package of coursework.

MULTI-PURPOSE TEACHING FLUME - C4MKII

Specifically designed to produce and measure the shock waves associated with the phenomenon of water hammer. Correlation between actual and theoretical shock waves can be examined as well as the determination of the sonic velocity within the pipe. The characteristics of a surge shaft can also be examined.

C4-65Syphon spillway (option)

C4 ModelCrump weir (supplied)

The rig can accommodate both rotodynamic and positive displacement pumps, and is supplied with the most common example of each type as standard (i.e. a centrifugal pump and a gear pump). A range of other pump types are available as accessories, including axial, turbine, flexible impeller, diaphragm and plunger; plus a second centrifugal pump for series/parallel demonstrations.Up to four pumps can be accommodated within the rig simultaneously for use within a single laboratory period, and each can be run without disconnecting any pipework or connections. ArmSoft Educational software and data logging hardware included as standard.

This free-standing accessory to the F1-10 demonstrates the characteristics of flow through different arrangements of pipes and the effect of changes in pipe diameter on the flow through a particular network.

MULTI-PUMP TEST RIG - C3MKII

PIPE NETWORKS ACCESSORY - C11MKII


view full details online:www.armfield.co.uk/na48

To view full range online please visit: www.armfield.co.uk/fluid_mechanics or scan the QR code.




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FM SERIES - FLUID MACHINESFLUID MACHINES - FM SERIES

FLUID MACHINESCIVIL | CHEMICAL | MECHANICAL |ENVIRONMENTAL | AGRICULTURAL | MARINE

INTERFACE UNIT - IFD7

The interface between the Capture MKII units and the users computer is provided by the Armfield IFD7 Interface Unit. This conditions the raw data from the sensors, digitises the data and transfers it to the computer using the USB interface. It also includes a sophisticated three phase inverter for providing accurate motor speed control, and a second motor drive output, all under software control.

The centrifugal fan is a radial flow machine, which produces the necessary pressure to move gas by the centrifugal force built up inside the fan casing. The design of the fan blade has a primary influence on performance.

These types of fans are usually employed for ventilating duties requiring a somewhat higher delivery pressure than that available from axial fans.

CENTRIFUGAL FAN DEMONSTRATION UNIT - FM40

The axial fan produces gas flow by virtue of the momentum changes imparted across the rotary blades, parallel to the axis of rotation. Such fans are more suitable for higher flows at lower delivery pressures than their centrifugal counterparts. Comparison of the performance characteristics of the FM41 Axial Fan with those of the FM40 Centrifugal Fan thus provides an instructional exercise of valuable practical application.

AXIAL FAN DEMONSTRATION UNIT - FM41

Multi-stage compressors are used industrially for high pressure deliveries of gas flows or suction duties.

The kinetic energy imparted to the gas by the impeller rotation is converted into pressure energy, which progressively increases from stage to stage.

CENTRIFUGAL COMPRESSOR DEMONSTRATION UNIT - FM42

The Armfield FM CAPTURE range is a unique range of small-scale teaching equipment, designed to give students an unparalleled insight into the principles of these machines.

With the introduction of CAPTURE, machines that were once costly, cumbersome and difficult to use became affordable, space-saving and easy to use. Now CAPTURE MKII takes the concept forward into new realms of student understanding, adding superb visibility of the working of the machines and taking full advantage of the latest software and instrumentation techniques.

All the CAPTURE units use standard PCs to display, record and manipulate the data. All Armfield CAPTURE units are now supplied with Armfield Armsoft LabVIEW based software to present and record the data in a way that is straightforward to use and understand for the student, yet offers a wide range of advanced features and capabilities. A common software format is used across all machines. Similarly the machines all use a common interface unit, thus providing a cost-effective solution for laboratories requiring several machines.

FANS & COMPRESSORS - FM 40 SERIES

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The FM CAPTURE range comprises:Fans & Compressors Page 15

Pumps Page 16

Turbines Page 17

view full details online:www.armfield.co.uk/fm40



To view full range online please visit: www.armfield.co.uk/fluid_machines or scan the QR code. www.discoverarmfield.com

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FM SERIES - FLUID MACHINESFLUID MACHINES - FM SERIES

PLUNGER PUMP DEMONSTRATION UNIT - FM53

A bench mounted unit consisting of a clear acrylic reservoir and a variable speed centrifugal pump, which provides water to power the accessory on test. The service unit also incorporates a water flow meter and electrically controlled dynamometer, which puts a load on to the turbine and measures the torque and speed.

TURBINE SERVICE UNIT - FM6X

FM6X Turbine Service Unit shown with FM62 Pelton Turbine Demonstration Unit

A miniature-scale propeller turbine unit, which is supplied as a floor-standing unit complete with a sump tank and recirculating pump. The turbine is housed in clear acrylic pipe work permitting excellent visibility. The turbine is loaded by an electronically controlled brake fitted with a load cell to measure the torque.

PROPELLER TURBINE DEMONSTRATION UNIT - FM63

TURBINES - FM 60 SERIES PUMPS - FM 50 SERIESThe Armfield FM6 range of hydropower units consists of four small-scale representations of industrial machines. The principles of design and operation of impulse and reaction turbines in both axial and radial flow situations is clearly demonstrated.

Three of the machines may be separately mounted on the common Turbine Service Unit (FM6X) for self-contained operation, while the fourth - the low head propeller turbine unit FM63 - has a specially designed service system of its own to accommodate the necessary larger water flows.

The centrifugal pump is the machine most commonly used to move liquids from one place to another. As such its a particularly instructive unit, which introduces students to the whole subject of rotodynamic fluid machines.

Discovering the relationship between head, flow, rotational speed and power provides a framework of general applicability. For example, matching the required duty point to the conditions of maximum energy efficiency may be explored as a creative student project.

CENTRIFUGAL PUMP DEMONSTRATION UNIT - FM50

Centrifugal pumps are often used together to enhance either the flow rate or the delivery pressure beyond that available from the single pump.

The unit is designed to demonstrate the operational advantages of parallel or series operation, depending on the required duty.

SERIES AND PARALLEL PUMPS DEMONSTRATION UNIT - FM51

A miniature-scale axial flow, impulse turbine consisting of a brass runner, which is acted on by four jets of water. The flow to the turbine can be adjusted by changing the pump speed or closing off any of the nozzles. The turbine is housed in clear acrylic for excellent visibility. The unit is designed to mount on the FM6X Turbine Service Unit.

AXIAL FLOW IMPULSE TURBINE - FM60

view online: www.armfield.co.uk/fm60

A miniature-scale Pelton wheel turbine, complete with a spear valve to control the water flow. The turbine buckets are shaped to extract maximum momentum from the passing jet of water, while the spear valve is designed to enable adjustment of the cross sectional area of the jet.

PELTON TURBINE - FM62

view online: www.armfield.co.uk/fm62 view online: www.armfield.co.uk/fm63

The plunger or ram pump is a positive displacement pump and is used for pumping small quantities of liquid at high pressures. It is similar to a piston pump except that the sealing gland is at one end of the cylinder.

The reciprocating motion of the plunger gives an uneven flow, although the inclusion of a damping vessel can reduce this effect. Priming is unnecessary.

The gear pump is the most widely used of the positive action rotary pumps. Two gear wheels operate inside a casing; one is driven while the other rotates in mesh with it. The liquid is carried around in the space between consecutive teeth and then ejected as the teeth mesh.

The pump has no valves. It is a positive displacement pump and will deliver against high pressures. The output is a more even flow than that of a reciprocating pump. It is particularly suitable for high viscosity fluids.

GEAR PUMP DEMONSTRATION UNIT - FM52

1716

A miniature-scale radial flow reaction turbine, where water enters through a face seal and exits tangentially through two orifices. The reaction of these jets causes rotation of the runner. The turbine is housed in clear acrylic for excellent visibility. The unit is designed to mount on the FM6X Service Unit.

view online: www.armfield.co.uk/fm61

RADIAL FLOW REACTION TURBINE - FM61

To view full range online please visit: www.armfield.co.uk/fluid_machines or scan the QR code.



view full details online: www.armfield.co.uk/fm53

view full details online: www.armfield.co.uk/fm6X


CIVIL | CHEMICAL | MECHANICAL |ENVIRONMENTAL | AGRICULTURAL | MARINE

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CIVIL | MECHANICAL | GEOSCIENCE | ENVIRONMENTAL | AGRICULTURAL | PUBLIC HEALTH

Depending on customer requirements, channels can be designed to incorporate the following features:

fixed bed or variable slope self-contained or laboratory supplied water open circuit or re-circulating sediment load choice of working section materials (glass, metal, wood) inclusion of a wave generator and beach instrumentation systems for flow, velocity, level, etc. sediment sampling

F1-19 - 0.615m working section. see page 9 for other F1 accessories

1918 To view full range online please visit: www.armfield.co.uk/hydraulics_hydrology or scan the QR code.

HYDRAULICS & HYDROLOGY

Welcome to Armfields complete range of Hydraulic & Hydrology equipment, experimental models and instrumentation. Armfield has been designing and supplying open channel facilities (flumes) to hydraulic laboratories throughout the world for over 50 years.

STANDARD FLUMES

FEATURING> Standard Flumes > Special Flumes, Tanks and Basins > Ancillary Equipment - Sediment Transport Facilities | Mono and Random Wave Makers | Instrumentation

view full details online: www.armfield.co.uk/flumes

S6MKII - 2.5m/5m/7.5m/10m/12.5m/15m working sections available - see page 20-21

Call our sales team to discuss your requirements. Tel: (+44) 1425 478 781

S8MKII 1.55m working section - see page 22C4MKII 2.5m or 5m working section - see page 12

SPECIAL FLUMES, CHANNELS, TANKS & BASINS

S16 - 1.1m working section - see page 22

COMPUTER CONTROLLED RESEARCH FLUMES S20/21/22/23 series flumes - 7.5m/10m/12.5m/15m working sections available. See page 20-21 for more details or download the data sheet from www.armfield.co.uk/flumes

Form follows function

Usually channels are of rectangular prismatic section. The dimensions of the working cross-section and length are the principal features, which determine both the functional suitability and the cost of a channel.

Bespoke design and manufacture

Armfield can design bespoke systems for your applications. As with all of our equipment, we can install, commission and offer full training and on site maintenance.

We have now introduced a new series of computer controlled standard research flumes (S20/21/22/23). These flumes are available as tilting or fixed bed and in several working lengths. See next page for details.

HYDRAULICS & HYDROLOGY - S SERIES - APPLIED HYDRAULICS & HYDROLOGY


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S SERIES - APPLIED HYDRAULICS & HYDROLOGY - HYDRAULICS & HYDROLOGYHYDRAULICS & HYDROLOGY - S SERIES - APPLIED HYDRAULICS & HYDROLOGYCIVIL | MECHANICAL | GEOSCIENCE | ENVIRONMENTAL | AGRICULTURAL | PUBLIC HEALTH

Controls for Random Wavemaker - S6-45

Glass sided tilting flumes - S6MKIIParshall Flume

Roughened Beds

Artificial Beach

WSC Flume

MODELS AND INSTRUMENTATION

S20 flume during construction and testing.

Data logging and instrumentation system - S6-MKII-DTA-ALITE

STANDARD FLUMES

A selection of S6MKII accessories

A selection of S6MKII accessories

Lift & drag balance with models

S20 - Tilting flumeWorking Section

Length 7.5m -15m

Width 600mm

Depth 600mm

S6MKII - Tilting flumeWorking Section

Length 5m -15m

Width 300mm

Depth 450mm

Standard research tilting flume - S20

GLASS SIDED TILTING/NONTILTING FLUMES GLASS SIDED TILTING FLUME - S6MKII

COMPUTER CONTROLLED RESEARCH FLUMES AVAILABLE AS STANDARD - S20/21/22/23The laboratory flume, or flow channel, is one of the most important tools available to the hydraulics engineer whether engaged in teaching or research.

The Armfield range of standard modular, tilting flumes has been developed during 50 years of continuous production. There are nearly 400 unique installations in service.

Based around a working cross-section of 300mm wide by 450mm deep, they are available in 2.5m modules commencing at a minimum working length of 5m.

Standard units are self-contained with stainless steel bed and electronic flow meter. Options include sediment recirculation and electrically driven jacks. A wide range of instruments and models exist to enhance the extensive demonstration capabilities in all aspects of open channel flow.

Optional PC based educational software is available to provide automatic analysis of results for each of the demonstrations.

A software controlled Random Wavemaker option (S6-45) provides a wide range of capability for demonstration and research.

Available in standard working section lengths of 5m, 7.5m, 10m, 12.5m, and 15m.Longer lengths are available to special order in increments of 2.5m.Cross sections are 0.6m wide x 0.6m deep for the S20/S21 and 1.0m x 1.0m for the S22 and S23.Available with tilting or nontilting bed.

Weirs Dams Spillways Syphons Beds

Flumes Beach Manometers Gauges Random Wavemaker

Ogee weir & manometer board

S6-24Dam Spillway with Weirs

S6-21Broad Crested Weirs - Rectangular streamlined weir

S6-20Plate Weirs - V-notch weir shown

S6-20Plate Weirs - Rectangular overshot weir plate shown

2120

Many more accessories and instruments available - visit our website to find out more.



www.discoverarmfield.com To view full range online please visit: www.armfield.co.uk/hydraulics_hydrology or scan the QR code.

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S SERIES - APPLIED HYDRAULICS & HYDROLOGY - HYDRAULICS & HYDROLOGY

RIVER FLOW SIMULATOR - S17The Armfield S17 simulation tank demonstrates river feature formation, including flow and bed load motion. It provides an excellent introduction to the study of fluvial geomorphology and can also demonstrate sophisticated and advanced concepts for research purposes.

ADVANCED ENVIRONMENTAL HYDROLOGY SYSTEM - S12MKIIThis floor-standing unit is the only Hydrology System that includes features suitable for studying fluvial geomorphology. It combines the capabilities of the Rainfall Hydrographs and Ground Water Flow Unit into a single comprehensive facility. The system is fully instrumented for investigation of rainfall/run-off hydrographs, ground water abstraction studies and unique to this apparatus, fluvial mechanics.Data logging accessory available.

2322 www.discoverarmfield.com

HYDRAULIC FLOW DEMONSTRATOR - S16

A free-standing accessory to the F1-10 Hydraulic Bench that enables hydraulic phenomena, associated with the flow of water through both open channels and closed conduits, to be set up quickly, easily and visually demonstrated. Measurements taken in each configuration permit the associated flow conditions to be analysed.

An elevating section of the bed inside the channel and models of various hydraulic structures enable the difficult concepts of critical flow/velocity/depth and energy changes to be clearly demonstrated and analysed.

Models supplied include the Undershot Weir, Overshot Weir, Narrow crested Weir, Broad crested Weir, Ogee Weir and Culvert. In all cases, the effects of changes in upstream and downstream water level can be investigated.

The S16 can be configured as a closed conduit - shown with the bed elevated to create a converging/diverging duct.

O PE N/CLOSE D CHAN N E L FLOW

S16 Working Section

Length 1.100m

Width 77mm

Depth 150mm



SEDIMENT TRANSPORT DEMONSTRATION CHANNEL - S8MKIIThe ability to vary both the slope and water flow rate enables the flume to generate a full array of alluvial bed forms. The development, stability and transition of the regimes may be followed visually and by measurements.

Typical bedforms in sand produced with the Armfield S8 MKII

S8MKIIWorking Section

Length 1.550m

Width 78mm

Depth 110mm



To view full range online please visit: www.armfield.co.uk/hydraulics_hydrology or scan the QR code.

HYDRAULICS & HYDROLOGY - S SERIES - APPLIED HYDRAULICS & HYDROLOGYCIVIL | MECHANICAL | GEOSCIENCE | ENVIRONMENTAL | AGRICULTURAL | PUBLIC HEALTH

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view full details online:www.armfield.co.uk/s2A versatile apparatus for teaching, project and research work.

Available with 2.0m or 4.0m long working section.

The tank may be used in two principal fields of study:- Hydraulic modelling of mobile bed situations such as water courses or

civil engineering structures

Two-dimensional flow visualisation using, for example, the Ahlborn dust indicator technique

MOBILE BED AND FLOW VISUALISATION TANK - S2

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HYDRAULIC INSTRUMENTS

H SERIES - HYDRAULIC INSTRUMENTS - HYDRAULICS & HYDROLOGY

GROUND WATER FLOW UNIT - S11A bench standing sand tank capable of demonstrating hydrological principles of ground water flow and the applications of these to certain water resource engineering constructions. Demonstrations of flood risks associated with land drainage works, the use of wells for both water abstraction and de-watering and the drainage of lakes and polders are all readily performed. The unit enables simple three-dimensional flow situations to be set up quickly and measurements of piezometric levels taken at appropriate positions within the model.

view full details online: www.armfield.co.uk/s11

VERNIER HOOK AND POINT GAUGES - H1

A range of digital and vernier hook and point gauges for the measurement of steady state water surface position.

view full details online:www.armfield.co.uk/h1

COMPUTER COMPATIBLE MANOMETER BANK - H14/2The Armfield H14/2 is designed to replace banks of manometers when used in conjunction with a number of Armfield products. Sixteen simultaneous pressure measurements can be displayed on a user supplied computer and the information data logged.

view full details online:www.armfield.co.uk/h14-2

PITOT TUBES - H30A range of pitot tubes for the measurement of water velocity in open channels and closed

ducts. Tubes are in stainless steel and mounted on a supporting body with scale. Designed to be used with the H12 range of manometers.


WAVE PROBE SYSTEM - H40A simple and robust instrument for the measurement and recording of water waves in hydraulic models and ship tanks, using the principle of measuring the electrical conductivity between two parallel wires.


DRAINAGE AND SEEPAGE TANK - S1This self-contained facility is designed to enable a comprehensive study of flow through permeable media. Using sand and the various two dimensional models supplied, it is possible to determine flow lines, seepage rates and the distribution of uplift pressures. A useful facility for student project work in engineering hydrology.

> Flow line visualisation > Flow net construction > Determining seepage rates > Verification of Darcys Law > Comparison of experimental results with analytical solutions


2524

PROPELLER VELOCITY METER - H33Used to measure and record very low point velocities in water and other conductive fluids. Velocity range 25 to 1500mm/sec. Or 600 to 3000mm/sec using alternative sensing probes.< Shown with H33-10

Armfield H33-10 Digital Indicator

view full details online: www.armfield.co.uk/h33

HYDRAULICS & HYDROLOGY

LASER PIV SYSTEM - H41The H41 uses Particle Image Velocimetry (PIV) to nonintrusively measure, fluid velocities at multiple points in a flow, at a rate of up to 16Hz. The compact and portable hardware, (which uses a safe, nonpulsed, Class 3B laser) and the extremely easy to use software with real time display, make this an ideal tool for undergraduate teaching and demonstration.


S8MKII & S16 compatible-See page 22

RAINFALL HYDROGRAPHS - S10

A compact unit for the study of a variety of rainfall run off situations. A range of accessories enables the effects on the flood hydrograph of surface reservoir retention, depression, storage effects and land drainage to be demonstrated.


MANOMETERS & METERS - H12

A range of general purpose manometers to measure differential water pressures up to approximately 12.6m H

20. Scales are graduated in

1mm divisions. Also available are versatile, hand-held, battery-operated Portable Pressure Meters. These are capable of measuring water or air pressure ranges as below: H12-8 : 0 - 2000mBar

(0 - 1500mmHg).H12-9: 0 - 140mBar

(0 - 99.99mmHg).


To view full range online please visit: www.armfield.co.uk/hydraulic_instruments or scan the QR code. To view full range online please visit: www.armfield.co.uk/hydraulics_hydrology or scan the QR code.

HYDRAULICS & HYDROLOGY - S SERIES - APPLIED HYDRAULICS & HYDROLOGYCIVIL | MECHANICAL | GEOSCIENCE | ENVIRONMENTAL | AGRICULTURAL | PUBLIC HEALTH

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W SERIES - WATER TREATMENTWATER TREATMENT - W SERIES

WATER TREATMENTCIVIL | CHEMICAL | GEOSCIENCE | ENVIRONMENTAL | PUBLIC HEALTH

PERMEABILITY/FLUIDISATION STUDIES APPARATUS - W3This apparatus is designed for students to measure and understand the characteristics of flow through a bed of particles. Such flows occur naturally and in process plant designs. It may also be used for a part of the testing of media for water and waste water treatment processes.

MODEL SEDIMENTATION TANK - W7This unit has been designed to demonstrate the hydraulic characteristics and settling efficiencies of a model settling basin. Although scale-up to industrial size sedimentation tanks is difficult, relevant deductions can be made as to how nonuniform flows occur and how these interact with the settling characteristics of particular suspensions.

This equipment is designed to enable the well known jar tests to be conducted on samples of water requiring treatment. The correct dosage conditions to remove colour and turbidity may be established on a laboratory-scale as a prelude to full-scale plant operation.

FLOCCULATION TEST UNIT - W1

view full details online:www.armfield.co.uk/w1

DEEP BED FILTER COLUMN - W5

This laboratory deep bed filter column has been designed to operate identically to full-scale granular filters. Using the same bed depth and filter media, tests on this unit provide operational data, which may be scaled up to full size. Pilot trials of possible filter designs for water and sewage works can be made reliably at low cost. view full details online:

www.armfield.co.uk/w5

FILTERABILITY INDEX UNIT - W4The unit enables a water treatment test to be made on a suspension to be filtered through sand or similar granular media. Whilst developed as a teaching tool, it can also be used in routine control at waterworks, or at a sewage treatment works that employs tertiary filtration.


SEDIMENTATION STUDIES APPARATUS - W2Bench mounted and backlit for ease of observation, this unit provides a facility for studying the basic physical processes involved in sedimentation, including zone formation and hindered settling.


ANAEROBIC DIGESTER - W8Anaerobic treatment processes involve bacteria, which function only in the absence of air. This digester is designed as a bench top training facility and as a means of providing operational process data for plant design purposes.



AEROBIC DIGESTER - W11The continuous activated sludge process has been successfully employed in public health engineering installations for nearly a century.

The bench top aerobic digester is a comprehensive study facility of this biological water treatment process using a safe, synthetically prepared waste water.


ION EXCHANGE UNIT - W9A low cost, bench mounted unit designed to demonstrate the use of ion exchange resins for either continuous water softening or demineralisation. The equipment is designed to emulate the industrial operation of such units, including monitoring break-through and regeneration cycles.


AERATION UNIT - W10The purpose of this aeration unit is to permit the study of the oxygen transfer characteristics of diffused air systems including the physical and chemical parameters that influence their oxygenation capacity. These studies are a necessary prelude to the understanding of the biological treatment of waste waters.



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Desalination and filtrationReverse Osmosis/Ultrafiltration Unit

available, see FT18 page 57

Water treatment has not always been a public utility priority. In todays environmentally aware world it is now an essential. This range of simple yet comprehensive products covers the major elements of water treatment processes. Several of the products can also be used industrially both for testing and experimentation.

To view full range online please visit: www.armfield.co.uk/water_treatment or scan the QR code above. www.discoverarmfield.com

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FE SERIES - IRRIGATION WATER MANAGEMENTIRRIGATION WATER MANAGEMENT - FE SERIES

FEL - LABORATORY EQUIPMENT

IRRIGATION WATER MANAGEMENTCIVIL | GEOSCIENCE | ENVIRONMENTAL | AGRICULTURAL

May be used either in the laboratory or the field. It is for use in simulated soil erosion and stabilisation studies, enabling investigation into the relationship between rainfall intensity and soil erosion, the nature of soil erosion potential on different soil types and the methods by which erosion may be prevented.

RAINFALL SIMULATOR - FEL3

Primarily for the derivation of soil moisture characteristic curves for a variety of soils. The equipment helps in understanding the principle of water retentivity in terms of soil suction and the relationship between water retentivity and soil moisture.

SOIL MOISTURE SUCTION SAND TABLE - FEL4

view full details online: www.armfield.co.uk/fel3

A simple and effective item of equipment for the measurement of evapotranspiration by the water balance method. Suitable for student project work, as well as demonstration purposes.

DEMONSTRATION LYSIMETER - FEL6


A range of tough, durable and portable flumes and weirs for the measurement of water flow rates in open channels.

FLUMES AND GAUGING WEIRS - FEX26

view full details online: www.armfield.co.uk/fex26

In irrigation networks, the regulation of water discharge, its distribution and disposal are paramount. In order to familiarise technicians with the mode of operation of a variety of control structures, Armfield has designed this range of demonstration units.

GAUGING AND CONTROL STRUCTURES - FEX40

view full details online: www.armfield.co.uk/fex40 view full details online: www.armfield.co.uk/fel4

Parshall Flumes FEX26-1/2/3

WSC Flumes FEX26-4/5/6

Thin Plate Weirs & Accessories FEX26-7

Channel Section FEX26-9

Broad Crested Weir FEX26-10

Sluice Gates FEX40-3/4

Automatic Water Control Gates FEX40-5/6/7

FEX - FIELD EQUIPMENT

A free-standing, self-contained apparatus for laboratory-scale demonstrations of surface irrigation and related systems such as surface and sub-surface effects of surface water application.

SOIL/WATER MODEL TANK - FEL2

view full details online:www.armfield.co.uk/fel2

2928 To view full range online please visit: www.armfield.co.uk/irrigation_water_management or scan the QR code.

With continued population growth in parts of the world where growing crops is most challenging, irrigation is the obvious way to maximise the potential.

This range of products offers both laboratory and field learning opportunities. It also introduces such diverse topics as gauging and control structures plus evapotranspiration.


FE

DEMONSTRATION INFILTRATION APPARATUS - FEL5


A simple but effective laboratory demonstration of the infiltration processes, which are fundamental to any form of irrigation study.


DRAIN PERMEAMETER - FEL10Suitable for use as a demonstration tool and for laboratory testing and research.

For the laboratory investigation of field drain filter materials, it enables students to determine relative efficiencies of filter materials and select optimum filter/soil combinations.

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THERMODYNAMICS - TH SERIES

THERMODYNAMICSCIVIL | CHEMICAL | MECHANICAL | MARINE | FOOD

The TH range is designed to introduce students to the fundamental principles of thermodynamics. Exploring basic concepts such as temperature and pressure measurement, plus an introduction to the relationships between these fundamentals; first and second law, the principles of reversibility, entropy, enthalpy etc.

The equipment enables the student to gain a true understanding of these difficult concepts, which are so important in all aspects of engineering.

SATURATION PRESSURE - TH3

RECYCLE LOOPS - TH4

To demonstrate what recycle is and to enable mass and energy balances to be performed under steady state and unsteady state conditions. Includes use of the steady flow energy equation.

Educational software is available Data logging accessory available

view full details online: www.armfield.co.uk/th4

EXPANSION PROCESSES OF A PERFECT GAS - TH5

To investigate the behaviour of a gas under pressure and vacuum, to determine the ratio of specific heats. Includes concepts such as polytropic processes, constant volume processes and the nonflow and unsteady flow energy equations.



To explore the principles of temperature measurement and calibration using three different heat sources and five different temperature sensors. To demonstrate the thermometric properties of different temperature sensors and the use of fixed points for calibration.


TEMPERATURE MEASUREMENT AND CALIBRATION - TH1


)h - (h x h h fgf +=

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TH SERIES - THERMODYNAMICS

To explore the concepts of pressure, calibration, engineering units, errors and linearity using a Bourdon pressure gauge and pressure sensor. This equipment also capable of demonstrating Boyles Law.


PRESSURE MEASUREMENT AND CALIBRATION - TH2


NOW WITH BOYLES LAW


To investigate the behaviour of a fluid at its boiling point and how the temperature varies with pressure.

The TH3 offers all the features of a Marcet boiler and adds the capability to determine the condition of the wet steam produced by the apparatus. Saturation curves can be obtained and compared with published steam tables. Thus enhancing the understanding of the underlying thermodynamic principle


MARCET BOILER

To view full range online please visit: www.armfield.co.uk/thermodynamics or scan the QR code. www.discoverarmfield.com

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HT SERIES - HEAT TRANSFERHEAT TRANSFER - HT SERIES

HEAT TRANSFER ARMFIELD REVOLUTIONISE LABORATORY TEACHINGCIVIL | CHEMICAL | MECHANICAL | MARINE | FOOD

The Armfield HT10XC is a computer controlled service unit, which can be used in conjunction with a range of small-scale accessories for a wide range of demonstrations into the modes of heat transfer. The factors that affect heat transfer can be investigated and some of the practical problems associated with the transfer of heat can be clearly demonstrated.

The heat transfer accessories may be individually connected to the HT10XC service unit, which provides the necessary electrical supplies and measurement facilities for investigation and comparison of the different heat transfer characteristics.

COMPUTER CONTROLLED HEAT TRANSFER TEACHING EQUIPMENT - HT10XC

A specific feature of the HT10XC is that it incorporates the facilities and safety features to enable the accessories to be remotely controlled from an external computer, where this is appropriate. It will shut down safely in the event of a communications failure. With suitable (user provided) software, the equipment can be operated remotely, for instance over an intranet or even over the internet. All the facilities can also be accessed locally using the front panel controls and display.

HT32

HT31

HT33

HT36

HT34

HT37

COMPUTER CONTROLLED HEAT EXCHANGER SERVICE MODULE - HT30XC

ARMFIELD HEAT EXCHANGERS AVAILABLE FOR THE HT30XC:

Tubular Heat Exchanger - HT31 Plate Heat Exchanger - HT32 Shell and Tube Heat Exchanger - HT33 Jacketed Vessel with Coil and Stirrer - HT34Cross Flow Heat Exchanger - HT35Extended Tubular Heat Exchanger - HT36Extended Reconfigurable Plate Heat Exchanger - HT37

The Armfield HT30XC Computer Controlled Heat Exchanger Module has played an important part in the development of computer controlled experiments over the internet described in a paper* published in the USA journal, Chemical Engineering Education and involving Cambridge (England) students use of equipment in Cambridge, Massachusetts.

This bench top computer controlled service unit enables the operation of the Armfield range of small-scale heat exchanger systems. It provides controlled cold water flow, bi-directional hot water flow and the instrumentation required to do a series of in-depth investigations into heat exchanger performance. The individual heat exchangers can be quickly changed over, to enable comparisons between different types of heat exchanger to be made. The HT30XC requires a personal computer with USB for the operator interface.

Educational software is provided for all Armfield heat exchangers. Included are drivers to enable other software applications to communicate with the HT30XC via the USB interface. Users can also write their own software typically in LabVIEW, MatLab, C, C++, Visual Basic, and Delphi, among others, to remotely control the equipment, for example, over a Local Area Network (LAN) or even over the internet. The HT30XC is ideal for this, as it has been designed to shut down safely in the event of a communications failure. Once the heat exchanger has been installed and configured, the student does not need to be present with the equipment. (*Performing Process Control Experiments Across the Atlantic by Anders Selmer, Mike Goodson, Markus Kraft, Siddhartha Sen, V. Faye McNeil, Barry S Johnston and Clark K Colton.)

view full details online: www.armfield.co.uk/ht30xc

Two pieces of laboratory teaching equipment developed by Armfield in collaboration with the Massachusetts Institute of Technology (MIT) could revolutionise the way undergraduate engineering students use teaching laboratories.

The HT10XC Heat Transfer Teaching Equipment and the HT30XC Heat Exchangers Service Module are computer controlled bench top systems to teach the principles of their respective subjects. In addition to being able to be used in a conventional laboratory, users can also write software to enable them to be used over an intranet, local area network (LAN) or the internet. This means that both students and lecturers are no longer confined to the physical laboratory and that many students can share the learning experience at the same time.

REMOTE LEARNING CAPABILITY

REMOTE LEARNING CAPABILITY

HT12 Radial Heat Conduction

HT17 Unsteady State Heat Transfer

HT13 Laws of Radiant Heat Transfer and Radiant Heat Exchange

HT11 Linear Heat Conduction

HT18C Thermo-Electric Heat Pump

3332 To view full range online please visit: www.armfield.co.uk/heat_transfer or scan the QR code. www.discoverarmfield.com

Cross Flow Heat Exchanger - HT35

HT1

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NEW ACCESSORY - HT19 FREE & FORCED CONVECTION

view full details online: www.armfield.co.uk/ht10xc

MANUAL CONTROL HEAT TRANSFER ACCESSORIES:HT11: Linear Heat ConductionHT12: Radial Heat ConductionHT13: Laws of Radiant Heat Transfer and Radiant Heat ExchangeHT14: Combined Convection and RadiationHT15: Extended Surface Heat TransferHT16: Radiation Errors in Temperature MeasurementHT17: Unsteady State Heat Transfer HT19: Free & Forced Convection

COMPUTER CONTROL AND REMOTE CONTROL APPLICATIONS ACCESSORIES:HT11C: Computer Controlled Linear Heat Conduction (material samples still need changing manually)HT12C: Computer Controlled Radial Heat ConductionHT14C: Computer Controlled Combined Convection and RadiationHT15: Extended Surface Heat Transfer HT16C: Computer Controlled Radiation Errors in Temperature MeasurementHT18C: Computer Controlled Thermo-Electric Heat Pump

UNIQUE ACCESSORY - TRUE CROSS FLOW HEAT EXCHANGER ACCESSORY HT35

HT

enviro

PRODUCTS

SOFTWAREArmSoft


CONTENTS

CMRA

HV

ACHT

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WS/

HFM

F/C/

NADL

MX

CE/U

OPBE

PCT

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VAPOUR-COMPRESSION REFRIGERATION UNIT - RA1MKII

3534

RA SERIES - HVAC - REFRIGERATION & AIR CONDITIONING REFRIGERATION & AIR CONDITIONING - RA SERIES - HVAC

REFRIGERATION & AIR CONDITIONINGCIVIL | CHEMICAL | MECHANICAL | GEOSCIENCE | ENVIRONMENTAL | AGRICULTURAL | MARINE

Typical RA3 mimic diagram

Armfield Ltd. 2015

The new Armfield RA Series is designed to clearly demonstrate the principles behind modern refrigeration and air conditioning systems. The series includes three separate units; the RA1MKII Vapour-Compression Refrigeration System, RA2 Air Conditioning System and RA3 Re-circulating Air Conditioning System.

The floor-standing RA3 Recirculating Air Conditioning Unit for teaching all aspects of air conditioning systems. Features adjustable recirculation of air, additional sensors, and a recirculation facility via an enclosed climate control chamber, plus all the facilities of the RA2.

RECIRCULATING AIR CONDITIONING UNIT - RA3

Armfield Ltd. 2015

Armfield Ltd. 2015

view full details online: www.armfield.co.uk/ra2

AIR CONDITIONING UNIT - RA2The RA2 is a fully instrumented, bench mounted air conditioning duct for teaching all aspects of air conditioning systems, complete with initial heating stage, humidifier, chiller/dehumidifier and final heating stage.

To view full range online please visit: www.armfield.co.uk/refrigeration_air-conditioning or scan the QR code.

view full details online: www.armfield.co.uk/ra3


RA

Armfield Ltd. 2015

The Vapour-Compression Refrigeration System is the most common refrigeration system used today. RA1MKII is a computer controlled system, which enables the student to gain a thorough understanding of the refrigeration process.

view full details online: www.armfield.co.uk/ra1mkiiTypical RA1MKII software screenshot

Armfield Ltd. 2015

enviro

PRODUCTS

SOFTWAREArmSoft


CONTENTS

CMRA

HV

ACHT

THFE

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HFM

F/C/

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CE/U

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CONTENTS

Typical CM14 mimic diagram

Armfield Ltd. 2015

CM SERIES - INTERNAL COMBUSTION ENGINESINTERNAL COMBUSTION ENGINES - CM SERIES

INTERNAL COMBUSTION ENGINESMECHANICAL | ENVIRONMENTAL | MARINE

Armfields range of internal combustion engines encompasses automotive and aviation power units, each one mounted on a small test bed and providing a complete engine learning system.

Each system comes with LabVIEW based ArmSoft software, which can be used to run the engine from a personal computer. The software incorporates the full range of facilities as outlined in the ArmSoft software section, pages 4-5.

37

A modern 4-cylinder Volkswagen automotive engine incorporated into an instrumented test bed with an eddy current dynamometer to produce engine performance curves and analysis.

AUTOMOTIVE DIESEL ENGINE - CM12

view full details online: www.armfield.co.uk/cm12

COMPATIBLEPRODUCT

COMPATIBLEPRODUCT

COMPATIBLEPRODUCT

Bench-top version of the CM14 Axial Flow Gas Turbine.


36

COMPATIBLEPRODUCT

Eddy current dynamometer to vary engine load


A modern 3-cylinder, 1.2-litre, water cooled Volkswagen automotive engine incorporated into a fully instrumented test bed.

Equipped with an integrated eddy current dynamometer to produce engine performance curves and analysis.

User control of ignition timing and fuel injection.

Options include gasoline and LPG operation, real time P-V diagrams.

GASOLINE ENGINE - CM11MKII

To view full range online please visit: www.armfield.co.uk/internal_combustion_engines or scan the QR code. www.discoverarmfield.com

CM

AXIAL FLOW GAS TURBINE - CM14The CM14 is a complete, aeronautical axial flow gas turbine engine with full instrumentation and sensors. Those sensors measure the gas temperature and pressure at different stages within the engine, together with the thrust generated and the fuel consumption. It features simple electric starting with no requirement for propane gas or compressed air.

The turbine itself can be bench mounted and incorporates a transparent safety guard for full visibility. The small size minimises the laboratory space required. The control box can be located in an adjacent room if required.

Frame mounted version of the CM14 Axial Flow Gas Turbine.Cover removed for clarity.

Armfield Ltd. 2015

Armfield Ltd. 2015

enviro

PRODUCTS

SOFTWAREArmSoft


CONTENTS

CMRA

HV

ACHT

THFE

WS/

HFM

F/C/

NADL

MX

CE/U

OPBE

PCT

FTM

AM/S

VST

ARM

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CONTENTS

ST11 sensors, actuator, USB interface/power supply unit and interconnecting cables

UNDERSTANDING STRUCTURAL BEHAVIOURCIVIL | MECHANICAL | ENVIRONMENTAL | AGRICULTURAL | MARINE


ST SERIES - STRUCTURAL ENGINEERING STRUCTURAL ENGINEERING - ST SERIES

ARMFIELD ST RANGE

A pioneering new approach to the teaching of structural engineering.

A fusion of innovative software, unique hardware and the authoritative textbook provide a firm foundation on the understanding of structural behaviour.

U S B

UNDERSTANDINGSTRUCTURALBEHAVIOUR

U S B


U S B



U S B

TM


U S B

TM


U S B

TM


U S B

TMUNDERSTANDINGSTRUCTURALBEHAVIOUR

U S B


U S B


U S B


U S B


U S B


U S B

TM

The system is available as two complementary packages: The ST10 provides the foundation stage.Extend the capabilities with the ST11 Instrumentation package for even more learning possibilities.

ST10 Understanding Structural Behaviour Eight standard projects including

cantilevers, beams and portal frames Backboard matrix for building the

physical structure model Set of elements, supports and joints for the

above range of structures to be implemented (many others can also be implemented)

32 High definition display with HDMI interface Display and Visualisation software RISA 2D models Book Understanding Structural Analysis by

Dr. David Brohn Includes demo version of QSE Analysis software

Storage facility for all components

ST11 Instrumentation Package (for use with ST10) Deflection Sensor Linear Actuator Three Component Rigid Support Sensor Two Component Pinned Support Sensor Simple Support Sensor Interface Unit plus power supply and

interconnecting cables Software for Control and Instrumentation

functions is supplied with ST10Note: Additional sensors and actuators can be added later.

To view full range online please visit: www.armfield.co.uk/structural_engineering or scan the QR code.

Structural Engineering and Architecture students will gain an immediate understanding from interacting with this unique hands on physical and visual modelling system.

The system is open ended, enabling you to expand the possibilities by adding additional components, actuators and sensors.

Portal frame project example as supplied with the ST10 system

The elements, supports and joints supplied with the ST10 system

Typical project exercise set-up, utilising both the ST10 and ST11 systems

view full details online: www.armfield.co.uk/st10

Accessory drawer for software, text book and screen remote as supplied with the ST10 system. This drawer also provides additional storage space for ST11 USB interface power supply, as shown.

The ST10 and ST11 combined, form the most advanced teaching tool for Civil, Mechanical and Environmental engineering applications.

TWO NEW PROJECTS ADDED TO OUR REVOLUTIONARY STRUCTURAL ENGINEERING TEACHING SYSTEM


ST

CONTENTS

CMRA

HV

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THFE

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Armfield Ltd. 2015

M ECHAN I C AL M ECHAN ISMS | AU TO M OT I V E M ECHAN ISMS | T H EO RY O F M ACH I N E S

CIVIL | MECHANICAL


MECHANISMS - MAM SERIES

To view full range online please visit: www.armfield.co.uk/mechanical_engineering or scan the QR code.

UNIVERSAL BENCH MOUNTED FRAME SD1:10DRUM BRAKE APPARATUS

SD1:12

The Armfield ADS (Armfield Didactec Sanderson) range provides the fundamentals for Mechanical and Civil Engineering students.

This range is renowned for excellent quality of build, ease of use and setup for staff and students. The products are available over two distinct series, The MAM mechanisms series and the complementary SV statics and vibrations series.

Mechanical Engineering Laboratory ApparatusdidactecSanderson


GEARBOX APPARATUS SD1:15

CROWN WHEEL & PINION SD1:16A

OVERDRIVE APPARATUS SD1:17

BRAKING & ACCELERATING FORCES APPARATUS SD1:18

BELT FRICTION APPARATUS SD1:20

BORG-WARNER AUTOMATIC TRANSMISSION SIMULATOR SD1:22

STATIC & DYNAMIC BALANCING APPARATUS SD1:23

PLATE CLUTCH APPARATUS SD1:24

DISC BRAKE APPARATUS SD1:25

SIMPLE HYDRAULIC SYSTEM SD1:27

CRANK MECHANISM SD1:28ACCELERATION OF GEARED SYSTEMS SD4:15

EPICYCLIC GEAR UNIT-2 SPEED SD4:17

EPICYCLIC GEAR UNIT-3 SPEED SD4:18

MECHANISMS DT9 SERIES

CAM AND FOLLOWER DT9.09

SCOTCH YOKE DT9.02

GENEVA STOP DT9.06

SLIDER CRANK DT9.01

FOUR BAR CHAIN DT9.05

GEAR GENERATION APPARATUS DT9.10

SLOTTED LINK DT9.03

OLDHAM COUPLING DT9.07

OSCILLATING CYLINDER APPARATUS DT9.12

WHITWORTH QUICK RETURN DT9.04

HOOKES JOINT DT9.08


MAM

/SV

The DIDACTEC range of mechanisms has been designed to provide simple equipment for classroom demonstrations or laboratory exercises.

The range covers some of the more commonly used mechanisms employed in engineering applications.

CONTENTS

CMRA

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S TAT I C S | S T R U C T U R E S | V I B R AT I O N | BAL AN CI N G | M AT E R IAL S T E S T I N G

CIVIL | MECHANICAL


STATICS & VIBRATIONS - SV SERIES

UNIVERSAL BENCH MOUNTED FRAME SD1:10

Armfield Ltd. 2015

UNSYMMETRICAL CANTILEVER APPARATUS SD3:11

UNIVERSAL STRUT APPARATUS SD3:12

BEAM DEFLECTION APPARATUS SD3:13

THIN CYLINDER APPARATUS SD3:50

SUSPENDED BEAM APPARATUS DT8:02

FRICTION APPARATUS SD1:26

TWIST & BEND TESTING MACHINE SD4:00

SIMPLE VIBRATION APPARATUS SD4:13

FREE & FORCED VIBRATION APPARATUS SD4:13A

TORSIONAL OSCILLATIONS APPARATUS SD4:14

SIMPLE BALANCING APPARATUS SD5:12

TORSION OF BARS APPARATUS DT8:00

PORTAL FRAME APPARATUS DT8:04

TWO HINGED ARCH BEAM APPARATUS DT8:03

DEFLECTION OF CURVED BARS APPARATUS DT8:05

BENDING MOMENT & SHEARING FORCE APPARATUS DT8:06

MAM

/SV

To view full range online please visit: www.armfield.co.uk/mechanical_engineering or scan the QR code.

STRUT BUCKLING APPARATUS DT8:01




WEIGHT SETS SD1:03

WEIGHT SETS SD1:01

WEIGHT SETS SD1:02

CONTENTS

CMRA

HV

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THFE

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45

CE SERIES - BASIC PROCESS PRINCIPLES - CHEMICAL ENGINEERING

> Investigation of dynamic behaviour of stirred tank reactors in series

> Influence of flow rate and step input change > Investigation of chemical reaction i

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