awd alliance / decd stem program – science technology engineering mathematics

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AWD ALLIANCE / DECD STEM Program –

Science Technology Engineering Mathematics

Educational material related to the Hobart Class DDGs ( Air Warfare Destroyers )built at Techport, AdelaideSouth Australia

Le Fevre High School - The Maritime School of South Australia

http://www.lefevrehs.sa.edu.au/index.php?page=1

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ALLIANCE / DECD STEM Program –

Science Technology Engineering Mathematics

The Maritime School of South Australia

Author / Developer : Thierry Herman Mathematics and Maritime Science Teacher - Le Fevre High School The Maritime School of South Australia

AWD Personnel - Contributors / Advisors :

Alliance Michael Clements – Platform Systems Activation Nigel Agars – ILS ( Integrated Logistics Support ) Principal Mark Eglinton – Project Manager - transportationMatt Sinnett – Jones – SonarPaul Shinks – SonarTom Robinson – Ship Production David Gonzales- PropulsionRonnie Watt - SonarNick Fletcher – ISS Lead system engineerCraig Schwartz - SonarRuben Spyker – Technical DirectorMike Lorenzo - TrainingAnna Jackson – AWD Communications Manager

CoA CAPT Shane Casboult – Trails and Acceptance ( Engineering) CAPT James Nash – Ballistics Roger Duffield – Construction Design Acceptance ( Engineering ) LEUT Peter Shirley – Top side Lead Engineer – RadarLee Rigano – FMS ( Foreign Military Sales ) Manager Terry Foster - Staff Officer - ProjectsTracey Guest – Administration CoordinatorTerri George - Business Support Officer (HR)

http://www.lefevrehs.sa.edu.au/index.php?page=1

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HULL

Theme

MISS IONS

Year 8 Hull volume calculations

Mathematics

Year 10Why does it

Float ?

Physics

Year 11Hull protectionElectrochem.

Science / Chem

CERT IIWelding

Techniques

VET

PROPULSION SYSTEMS

Year 9 Propeller Geometry

Year 11 / 12How Fast does it

turn ?

Year 11 /12 Which metal for

which use ?

CERT IPitch

RADARCOMMUNICATIONS

Year 10 / 11Quadratics

Applications

Year 11 What is a focal

point ?

Year 9Microwaves

Energy Transfer

CERT IIIBuilding a

Parabolic BBQ

BALLISTICS/ RAS

Replenishment At Sea

Year 10 Total Surface Area

of Propellant

Year 12Parabolic

Trajectories

Year 10Propellant

Combustion

CERT II Machining Tolerances

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Subject Topic Year level

HULL Mathematics Measurement & Volume Year 8

Theme

ACARA / SACE / VET Reference : ACMMG 198

Develop the formulas for volumes of rectangular andtriangular prisms and prisms in general. Useformulas to solve problems involving volume(ACMMG198)investigating the relationship between volumes of rectangularand triangular prisms


http://www.australiancurriculum.edu.au/Mathematics/Curriculum/F-10

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Description of Unit :

This unit is related to the geometry of ship hulls and in particular to the calculation of the volume of prismatic solids.

This unit will enable students to calculate the immersed volume of simplified ship hulls and therefore, the displacement of a ship.

A ship hull can be modelled and broken down into three parts :

Front ( Prow ): Triangular prism, Mid-ship : Rectangular prism Rear ( Stern ) : Trapezoidal Prism

Each of these volumes are calculated separately and added together to find the overall volume.

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UNIT : ( To access Hyperlinks, left click on them) Prior knowledge : See Prismatic Volumes

Calculator for calculating the surface of a Triangle

Calculator for calculating the surface of a Rectangle

Calculator for calculating the surface of a Trapezium

Example : Calculations for the volume of prisms ( Video )

STUDENT RESOURCE : Worksheet on the calculation of the immersed volume of AWD hull

http://www.mathsisfun.com/geometry/prisms.html

http://www.mathsisfun.com/area-calculation-tool.html



http://www.khanacademy.org/math/geometry/basic-geometry/volume_tutorial/v/solid-geometry-volume


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RELATED TOPICS : ( HULL ) PHYSICS tab : Archimedes Principle ( Why does it float ? ) CHEMISTRY tab : Hull Protection and Electrochemistry VET tab : Welding techniques

AWD Alliance Resources : AWD Home Page

http://www.ausawd.com/

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EXTENSION / POSSIBLE RESEARCH TOPICS You might want to investigate : Platonic Solids

Who developed the first understanding of how to calculate volumes ?

Check out the volume in cubic metres of the Great Pyramid. How was it calculated ?

What is Calculus and how is it related to the calculation of volumes ? ( even if you are in year 8, you can get the basic facts about calculus and understand its application regarding the calculation of volumes without going into too many details ).

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OTHER INTERESTING WEB SITES

Archimedean Solids

Archimedes and his work

http://en.wikipedia.org/wiki/Archimedean_solids

http://en.wikipedia.org/wiki/Archimedes

https://en.wikipedia.org/wiki/Archimedean_solid

https://en.wikipedia.org/wiki/Archimedes

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Click on the red button to go back to main menu.


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HULL Physics Archimedes Principle Year 10

Theme

ACARA / SACE / VET Reference : ACSSU229

The motion of objects can be described andpredicted using the laws of physics (ACSSU229)

Recognising that a stationary object, or a moving object withconstant motion, has balanced forces acting on itRecognising and applying Newton’s Third Law to describe theeffect of interactions between two objects



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This unit is related to Archimedes Principle as well as the third law of Newton applied in the Maritime world and in particular to ships and submarines.

This unit will enable students to investigate the properties of Buoyancy and do calculations relating to displacement and density.

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UNIT : ( To access Hyperlinks, left click on them) Prior knowledge : See Archimedes Principle

Prismatic Volumes

Calculator for calculating the base area of a Prism

Calculations for the volume of Cylinder ( Video )

Calculations for the volume of Spheres

STUDENT RESOURCE : Practical activity on Archimedes Principle

http://en.wikipedia.org/wiki/Archimedes_principle

http://www.mathsisfun.com/geometry/prisms.html


http://www.khanacademy.org/math/geometry/basic-geometry/volume_tutorial/v/cylinder-volume-and-surface-area

http://www.khanacademy.org/math/geometry/basic-geometry/volume_tutorial/v/volume-of-a-sphere

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RELATED TOPICS : ( HULL ) MATHS tab : Volumes and Measurement CHEMISTRY tab : Hull Protection and Electrochemistry VET tab : Welding techniques


https://en.wikipedia.org/wiki/Arc_welding


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EXTENSION / POSSIBLE RESEARCH TOPICS You might want to investigate : Archimedes the Man and the Scientist

The story of Archimedes, the Crown and the King

The buoyancy of super-tankers and container ships

Who invented the first submarine ?

Can you use Archimedes principle to explain why a hot air balloon can fly ?

Who invented the first hot air balloon ?

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OTHER INTERESTING WEB SITES Buoyancy and submarines

Make a working submarine ! ( Cartesian Diver )

Do eggs float ?

Why do things float ?

Plimsoll line

http://www.youtube.com/watch?v=CDD0FBPwVVU

http://www.youtube.com/watch?v=sNOXFiJ4IDU

http://www.youtube.com/watch?v=ggNI76hF6HQ

http://www.youtube.com/watch?v=y0SnFCs9z1g

http://www.youtube.com/watch?v=Ak9CBB1bTcc




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HULL Chemistry Hull Protection Year 11

Theme

ACARA / SACE / VET Reference : ELECTRO - CHEMISTRY

Students investigate Redox reactions and predict the out come of a reaction ( wether the reaction takes place and if so, the products of the reaction ) , when metals and ions are in contact in aqueous phase.

They do this by using the Redox Potential table.



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This unit is related to the Redox Potential and the passive and active protection of metal in an oxidising environment.

This unit will enable students to apply their knowledge of electrochemistry to investigate the ways to protect the steel hull of a ship, in particular the hull of the AWD.

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UNIT : ( To access Hyperlinks, left click on them) Prior knowledge : See What is an Oxidant ?

What is a Reductor ?

Anodic protection of Metals

STUDENT RESOURCE : Practical activity : how to chemically engrave a copper object

http://en.wikipedia.org/wiki/Oxidant

http://en.wikipedia.org/wiki/Reduction_(chemistry)

http://en.wikipedia.org/wiki/Corrosion

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RELATED TOPICS : ( HULL ) MATHS tab : Volumes and Measurement PHYSICS tab : Hull buoyancy and Archimedes Principle VET tab : Welding techniques


https://en.wikipedia.org/wiki/Arc_welding


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EXTENSION / POSSIBLE RESEARCH TOPICS You might want to investigate : The zinc anodes used on the AWD are part of what is called passive protection.Investigate wether it is possible to “actively” protect steel.

Application of electrochemistry to the production of circuit boards in electronics

Does the keel of a ship rust faster than the water line ?The answer is counterintuitive and is worth investigating.

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A violent Redox reaction : Alumino-thermie.

Redox reactions in Biochemistry

http://www.youtube.com/watch?v=w6cMmk8LZgQ

http://www.youtube.com/watch?v=SJ3TKg_3PD8



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HULL VET Welding Techniques Cert II

Theme

ACARA / SACE / VET Reference :

Specific welding techniques must be used for specific metals.

UNIT UNDER CONSTRUCTION



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This unit is related to the different techniques used to weld specific metals

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UNIT : ( To access Hyperlinks, left click on them) Prior knowledge : See

STUDENT RESOURCE :


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RELATED TOPICS : ( HULL ) MATHS tab : Volumes and Measurement PHYSICS tab : Why does it float ? CHEMISTRY tab : Hull Protection



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EXTENSION / POSSIBLE RESEARCH TOPICS You might want to investigate : How are aluminium boats and ships welded ?

Who developed the first arc welder ?

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Propulsion Systems Mathematics Propeller

Geometry Year 9 and up

Theme

ACARA / SACE / VET Reference : ACMMG 196, ACMNA 208, ACSSU 229

Find Perimeters of circles Solve problems involving direct proportion The motion of objects can be described and predicted by using the laws of physics.



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This unit is related to the geometry of circles.

This unit will enable students to calculate the perimeter of circles, find the distance covered by certain points of the propeller, study what RPM means, calculate the linear speed of specific points of the propeller and finally, students will be offered templates to build their own propeller out of balsa wood or equivalent material.

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UNIT : ( To access Hyperlinks, left click on them) Prior knowledge : See How to calculate the perimeter of a circle

What does RPM mean ?

How Propeller master shapes are made for making moulds

Car tachometer ( RPM meter ) in action

STUDENT RESOURCE : Worksheet on the geometry of propellers and propeller making

http://www.youtube.com/watch?v=TO4H6NgLM8Y

http://www.youtube.com/watch?v=QkLkwjUu5Xg

http://www.youtube.com/watch?v=mV48f5D6kBY

http://www.youtube.com/watch?v=3_OLj6XChvM


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RELATED TOPICS : ( HULL ) PHYSICS tab : How fast does it turn ? CHEMISTRY tab : Which metal for which use ? VET tab : Pitch of a screw



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EXTENSION / POSSIBLE RESEARCH TOPICS You might want to investigate : Where does the word tachometer come from ? Who developed the first tachometer ?

Try to find RPMs of common objects : Blades in a food processor, your bicycle wheel, a car wheel, electric drill, etc ...

Who invented the first marine propeller ? ( they were called screws at the time )

Who invented the first aircraft propeller ?

What is an impeller and what is the difference with a propeller ? In what kind of propulsion systems are they used ?

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Rotary Engines

James May Rotary blades ( Mini Helicopter )

http://www.youtube.com/watch?v=lyItjvs8nvI

http://www.youtube.com/watch?v=7GSeQ9qUIr0



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PROPULSIONSYSTEM Physics Rotational

Speed Year 11 / 12

Theme

ACARA / SACE / VET Reference : CIRCULAR MOTION

Properties of circular motion.Relationship between Rotational and Linear speed.Rotational ( centrifuge ) acceleration.



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This unit is related to the geometry of propellers and to the rotational and linear speeds of a point of the propeller. ( tip of a blade )

This unit will enable students to explore the relationship between the rotational speed of a propeller in RPMs ( Revolutions Per Minute ) and in Radiant per second.

It will then be possible, knowing the diameter of a propeller of the AWD to calculate the linear speed of the tip of a blade.

This in turn relates to cavitation. A video will show at which point a propeller starts to cavitate.

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UNIT : ( To access Hyperlinks, left click on them) Prior knowledge : See RPMs and Radiant per second

Linear speed of rotation

Experiment : 100 000 RPM with an electric motor

Rotational acceleration

Cavitation

Cavitation Video STUDENT RESOURCE : > Practical on RPMs and Centripetal force

http://en.wikipedia.org/wiki/Rpm

http://en.wikipedia.org/wiki/Speed

http://www.youtube.com/watch?v=DM73b2W99z4

http://en.wikipedia.org/wiki/Rotational_acceleration

http://en.wikipedia.org/wiki/Cavitation

http://www.youtube.com/watch?v=GpklBS3s7iU

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RELATED TOPICS : ( HULL ) PHYSICS tab : Archimedes Principle CHEMISTRY tab : Electrochemistry VET tab : Welding techniques AWD Alliance Resources : AWD Home Page


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EXTENSION / POSSIBLE RESEARCH TOPICS You might want to investigate : The different kinds of cavitation

Does the cavitation threshold change the operating depth of a propeller( in submarines for instance )

Designs to limit cavitation

Investigate what Electro – hydrodynamic Propulsion Systems are( do they already exist ? Check out their application in aeronautics )

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Hydroplanes

The first propeller

http://en.wikipedia.org/wiki/Hydrofoil

http://en.wikipedia.org/wiki/Fr%C3%A9d%C3%A9ric_Sauvage



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PROPULSION SYSTEM Chemistry Metals and

Alloys Year 11/12

Theme

ACARA / SACE / VET Reference : Metals and their properties

This unit relates to metallurgy and in particular to the properties of alloys used to make marine propellers.



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This unit is related to the properties of metals and their application in the Maritime world and in particular for the manufacture of marine propellers.

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UNIT : ( To access Hyperlinks, left click on them) Prior knowledge : See What are metals and alloys ?

Which alloy / metal for which applications ?

Casting of metal objects. Video

STUDENT RESOURCE : Worksheet on metals and alloys

http://en.wikipedia.org/wiki/Alloy

http://en.wikipedia.org/wiki/Properties_and_uses_of_metals

http://www.youtube.com/watch?v=33p0Nih6YkY

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RELATED TOPICS : ( HULL ) MATHS tab : Propeller Geometry PHYSICS tab : How fast does it turn ? VET tab : Pitch of a screw ADW Alliance Resources : AWD Home Page


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EXTENSION / POSSIBLE RESEARCH TOPICS You might want to investigate : The different alloys used in the maritime world

Alloys used in Navy helicopters and aircrafts in general

Is carbon fibre a viable alternative ?

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Casting metal objects. Bronze ornaments

The 8 biggest ship propellers in the world

http://www.youtube.com/watch?v=W8GmKJXoTO8

http://www.youtube.com/watch?v=7ALqbE5Waio



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Propulsion System VET Pitch of a

screw Cert I

Theme





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This unit is related to the geometry of screws and what is called the pitch.

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UNIT : ( To access Hyperlinks, left click on them) Prior knowledge : See How it’s made : Screws

STUDENT RESOURCE : Worksheet on the pitch of screws


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RELATED TOPICS : ( HULL ) MATHS tab : Propeller Geometry PHYSICS tab : How fast does it turn ? CHEMISTRY tab : Which metal for which use ? AWD Alliance Resources : AWD Home Page


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EXTENSION / POSSIBLE RESEARCH TOPICS You might want to investigate : Screws with two or more treads.

What is the biggest diameter screw and in which application is it used ?

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RADARCommunications Mathematics Quadratics

Applications Year 10/11

Theme

ACARA / SACE / VET Reference : ACMNA239

Explore the connection between algebraic and graphical representations of relations such as simple quadratics, circles and exponentials using digital technology as appropriate



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This unit is related to the geometrical shape of satellite dishes and their mathematical models as parts of Quadratic curves.

This unit will enable students to calculate the coordinates of points belonging to quadratic curves, trace the corresponding graph and get a feel for the influence that coefficients have on the shape of the parabola and therefore on the shape of the antenna.

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UNIT : ( To access Hyperlinks, left click on them) Prior knowledge : See Quadratic Functions ( Wikipedia )

How to calculate and represent Parabolas

Parameters influencing the shape of parabolas

STUDENT RESOURCE : Worksheet on Quadratics ( Calculations and Graphs )

http://en.wikipedia.org/wiki/Quadratic_function

http://en.wikipedia.org/wiki/Quadratic_function

http://www.intmath.com/blog/how-to-draw-y2-x-2/2301

http://www.mathsisfun.com/geometry/parabola.html


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RELATED TOPICS : (RADAR and COMMUNICATIONS ) PHYSICS tab : What is a focal point ? SCIENCE tab : Microwaves and Transfer of Energy VET tab : Building a parabolic BBQ AWD Alliance Resources : AWD Home Page


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EXTENSION / POSSIBLE RESEARCH TOPICS You might want to investigate : CATENARY Functions

http://www.intmath.com/blog/is-the-gateway-arch-a-parabola/4306

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Who discovered Parabolas ?

Archimedes and his work – The quadrature of the Parabola

http://www.2dcurves.com/conicsection/conicsectionp.html

http://en.wikipedia.org/wiki/The_Quadrature_of_the_Parabola





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HULL Physics Focal Point Year 11

Theme

ACARA / SACE / VET Reference : Optics : Focal Point

This unit relates to the focal point of Parabolas and how to find their location for a given parabola.

It is also possible from an engineering point of view to decide before hand on the value of a focal distance, calculate and build the parabola fitting the engineering requirements.



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This unit is related to the geometry of parabolas, how to trace them with the focal point and directrix method, and in the end, being able to design a parabola fitting prerequisite properties.

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UNIT : ( To access Hyperlinks, click on them) Prior knowledge : See Animation showing what the focal point of a parabola is

How to trace parabolas with focal point and directrix

The Physics of Parabolic mirrors

STUDENT RESOURCE : Worksheet on Tracing a Parabola with compass and square

http://www.intmath.com/plane-analytic-geometry/4-parabola.php

http://www.geogebratube.org/student/m3812

http://www.geogebratube.org/student/m3812

http://www.youtube.com/watch?v=UQrKtiKfmMU

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RELATED TOPICS : ( RADAR and COMMUNICATIONS ) MATHS tab : Quadratics applications

SCIENCE tab : Microwaves and transfer of Energy VET tab : How to build a parabolic BBQ AWD Alliance Resources : AWD Home Page


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EXTENSION / POSSIBLE RESEARCH TOPICS You might want to investigate : How to make parabolic solar cookers

Applications of parabolic reflectors

http://solarcooking.org/plans/

http://www.youtube.com/watch?v=i0xzAAaHrgk

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Spy acoustic parabolas

Archimedes Death Ray

http://en.wikipedia.org/wiki/Parabolic_microphone

http://history.howstuffworks.com/historical-figures/archimedes-death-ray2.htm



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Radar Communications Science Energy

Transfer Year 9

Theme

ACARA / SACE / VET Reference : (ACSSU190)

Energy conservation in a system can be explained by describing energy transfers and transformations (ACSSU190)


http://www.australiancurriculum.edu.au/Curriculum/ContentDescription/ACSSU190

http://www.australiancurriculum.edu.au/Glossary?a=S&t=System


http://australiancurriculum.edu.au/Science/Curriculum/F-10

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This unit is related to electromagnetic energy transfers.

Students will use a simplified version of the Radar equation to study the relationship between the range of a radar and the energy that needs to be deployed to reach that range.

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UNIT : ( To access Hyperlinks, left click on them) Prior knowledge : See The history of Radar technology

Spectrum of Electromagnetic radiations

STUDENT RESOURCE : Worksheet on the Radar equation application

http://www.youtube.com/watch?v=VTBdtZ5C16E

http://www.youtube.com/watch?v=7hwzG0YI9ms


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RELATED TOPICS : (RADAR and COMMUNICATIONS ) MATHS tab : Quadratics applications PHYSICS tab : What is a focal point ? VET tab : Building a parabolic BBQ AWD Alliance Resources : AWD Home Page


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EXTENSION / POSSIBLE RESEARCH TOPICS You might want to investigate : Which is the biggest phased array Radar in operation ?

Who developed the first understanding of how Radars work ?

Check out weather Radars

Who invented the first microwave oven and what is the relationship between radars and microwaves ovens ?

How safe are microwaves ( investigate mobile phones )?

Why do you have a mesh at the front of microwave ovens and what is the relationship between the size of the mesh and the wavelength of the microwaves used in a microwave oven ?

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OTHER INTERESTING WEB SITES How are the signals generated in a radar ?

What is a phase array Radar and what are the advantages compared to normal Radars ?

Phased Array Radar animation

Acoustic Phased Array demonstration

http://tobyzerner.com/microwaves/

http://www.youtube.com/watch?v=rDWUTngdpls

http://www.youtube.com/watch?v=rDWUTngdpls

http://www.youtube.com/watch?v=VBFsisCjpBk

http://www.youtube.com/watch?v=_rb7onpgf1g





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HULL Mathematics Measurement & Volume Cert II

Theme


Building a parabolic mirror




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This unit is related to the geometry of antennas and solar mirrors

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UNIT : ( To access Hyperlinks, left click on them) Prior knowledge : See Example :

STUDENT RESOURCE :


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RELATED TOPICS : (RADAR and COMMUNICATIONS ) MATHS tab : Applications of Quadratics PHYSICS tab : What is a focal point ? SCIENCE tab : Microwaves and Energy transfer AWD Alliance Resources : AWD Home Page


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EXTENSION / POSSIBLE RESEARCH TOPICS You might want to investigate : Which is the biggest phased array Radar in operation.( You will be surprised by it’s size )

Who developed the first understanding of how Radars work ?

Check out weather Radars

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Phased Array Radar animation

Acoustic Phased Array demonstration

http://www.youtube.com/watch?v=VBFsisCjpBk

http://www.youtube.com/watch?v=_rb7onpgf1g



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BALISTICSReplenishment At Sea

Mathematics Total Surface Area of Propellant Year 10

Theme

ACARA / SACE / VET Reference : (ACMMG242) (ACMNA235)

Develop Solve problems involving surface area and volume for a range of prisms, cylinders and composite solids

Solve problems involving linear equations, including those derived from formulas


http://www.australiancurriculum.edu.au/Curriculum/ContentDescription/ACMMG242

http://www.australiancurriculum.edu.au/Curriculum/ContentDescription/ACMNA235


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This unit is related to the geometry of what are called GRAINS of propellant.

This unit will enable students to calculate the Total Surface Area of simple and more complex cylindrical shapes ( the cylindrical shape is due to the process of extrusion used to manufacture the grains of propellant).

The overarching principle is that, for a given volume of combustible material( propellant, black powder, but also wood or even flour and powdered milk )the Burning Rate of a substance can be dramatically increased by dividing the material into fine particles. This happens because, for a given amount of substance, as the particles ( Grains in Balistics ) become smaller, or their geometry changes, the Total Surface Area of the substance increases dramatically.

In this unit, TSAs are going to be calculated for different shapes and will be used in graphs to determine optimum grain geometry.

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UNIT : ( To access Hyperlinks, left click on them) Prior knowledge : See Cylindrical Volumes

Definition of Total Surface Area and example

Video tutorial : TSA of a cylinder

Example of increased Creamer ( Powdered milk ) cannonburning rate ( Mythbusters Creamer Cannon ):

STUDENT RESOURCE : Worksheet on the calculation of the TSA of propellant grains

http://www.mathsisfun.com/geometry/cylinder.html

http://math.about.com/library/blmeasurement.htm

http://video.about.com/math/Volume-and-Surface-Area-of-a-Cylinder.htm

http://www.youtube.com/watch?v=yRw4ZRqmxOc

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RELATED TOPICS : ( HULL ) PHYSICS tab : Parabolic Trajectories CHEMISTRY tab : Propellant Combustion VET tab : Machining tolerance in boring cannons ADW Alliance Resources : AWD Home Page


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EXTENSION / POSSIBLE RESEARCH TOPICS You might want to investigate : The history of the manufacture of Black Powder.( you will discover that the original application was not military, and that black powder was simply used to celebrate events and frighten “demons” away).

What were the disadvantages of using black powder and what chemical compounds did human invent to power modern rockets for instance.

Find out in which space vehicle solid powder booster rockets are still used.

Investigate the influence that the research on propellants had on the development of Chemistry. ( Go back as far as the 9th Century in China, right up to present day ).

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Lycopodium Powder Combustion

Lycopodium Powder Combustion 2

Lycopodium Power Combustion 3

http://www.angelo.edu/faculty/kboudrea/demos/lycopodium/lycopodium.htm

http://www.angelo.edu/faculty/kboudrea/demos/lycopodium/lycopodium.htm

http://www.youtube.com/watch?v=qYiGFehe030

http://www.youtube.com/watch?v=qYiGFehe030

http://www.youtube.com/watch?v=TAfT2Uktx4c

http://www.youtube.com/watch?v=TAfT2Uktx4c


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BALISTICSReplenishment At Sea

Physics Parabolic trajectories Year 12

Theme

ACARA / SACE / VET Reference : MOTION IN TWO DIMENSIONS

Students investigate the application of ballistics and motion of projectiles in the Earth’s gravitational field to the firing of projectiles hooked to a line between ships. This technique is used to establish a physical link between these two ships, which can be used for refuelling, cargo and personnel transfer as well as medical evacuation.



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This unit is related to motion in two dimensions and in particular, to the parabolic trajectory of projectiles in the Earth’s gravitational field.

This unit will enable students to calculate for instance the minimal firing angle needed to cover the distance between ships, if they are provided with the minimal range needed and the initial velocity of the projectile ( Dongle )

Students will also investigate what happens if the dongle is fired with a less powerful rifle ( smaller initial velocity ) and what conditions need to be met for the dongle to still reach the other ship.

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UNIT : ( To access Hyperlinks, left click on them) Prior knowledge : See The Physics of Trajectories ( Power Point )

US Navy RAS ( Replenishment At Sea ) Video 6 min 10

STUDENT RESOURCE : Worksheet on RAS and Ballistics calculations

http://www.youtube.com/watch?v=sAlATn4xm4I


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RELATED TOPICS : ( HULL ) MATHS tab : Total Surface Area of Propellant CHEMISTRY tab : Propellant Combustion VET tab : Machining tolerances in boring cannons AWD Alliance Resource : US NAVY RAS Video 6 min 10

http://www.youtube.com/watch?v=sAlATn4xm4I

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EXTENSION / POSSIBLE RESEARCH TOPICS You might want to investigate : Who discovered parabolas

Who developed the first understanding gravitational equations ?

Investigate what is clout shooting in archery competitions

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History of Replenishment At Sea ( RAS )

http://www.youtube.com/watch?v=sM76qctCkx8


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Ballistics Chemistry Chemical Reactions Year 10 / 11

Theme


Different types of chemical reactions are used to produce a range of products and can occur at different rates (ACSSU187)

(ACSSU187)




http://australiancurriculum.edu.au/Science/Curriculum/F-10

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This unit is related to chemical reactions.

Students will learn about propellant reaction and will be able to calculate proportions of products of a combustion, in particular water and carbon dioxide, by using a balanced chemical equation and the molar masses of reactants and products.

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UNIT : ( To access Hyperlinks, left click on them) Prior knowledge : See Propellants

Chemical reactions ( combustion – You Tube )

Molar conversions moles to grams

STUDENT RESOURCE : Worksheet on Combustion Reactions

http://en.wikipedia.org/wiki/Rocket_propellant

http://www.youtube.com/watch?v=sgHDzTH_GyU

http://www.youtube.com/watch?v=zWzA-T54pPI

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RELATED TOPICS : ( HULL ) MATHS tab : Total Surface Area of Propellant PHYSICS tab : Parabolic Trajectories VET tab : Machining tolerances boring cannons AWD Alliance Resources : AWD Home Page


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EXTENSION / POSSIBLE RESEARCH TOPICS You might want to investigate : What are the different types of propellant used in rockets ( Space shuttle )

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Acrylic Rocket Engine

Ed Ted History lesson about Gun Powder

http://www.youtube.com/watch?v=DQ2hOH23-zU

http://www.youtube.com/watch?v=mqHVRgCkCDE



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Ballistics VET Machining tolerances Cert II

Theme


Machining tolerances




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This unit is related to the tolerances used when machining the bore of a cannon

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UNIT : ( To access Hyperlinks, left click on them) Prior knowledge : See

STUDENT RESOURCE : Worksheet on the calculation of the immersed volume of AWD hull


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RELATED TOPICS : ( HULL ) MATHS tab : Total Surface Area of Propellant PHYSICS tab : Parabolic Trajectories CHEMISTRY : Combustion Reactions AWD Alliance Resources : AWD Home Page


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EXTENSION / POSSIBLE RESEARCH TOPICS You might want to investigate :

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awd alliance / decd stem program – science technology engineering mathematics

Documents

fevre high school

maritime science teacher

geometry of ship hulls

overall volume

volume of prismatic

adelaidesouth australia

hull protectionelectrochem

thierry herman mathematics