chap 5 theory of stirling engines
TRANSCRIPT
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Chap 5
Theory of Stirling Engines
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Content Introduction
Stirling Engines in History
Modern Stirling Engines
Industrial Projects
Potential Technologies
Concluding Remarks
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Reverend Dr. Robert Stirling (1790-1878)
Introduction
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Qin
Qout
Introduction
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Introduction
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Source: www.keveney.com
Introduction
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Introduction
Classification of Stirling Engines
configurationThis type of configuration featurestwo pistons, each in its own cylinder.
configurationThis type of configuration has apiston and a displacer in the same cylinder.
configurationThis type of configuration has apiston and a displacer, each in its own cylinder.
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Source: www.keveney.com
Introduction
configuration: two pistons, each in its own cylinder
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Source: www.keveney.com
Introduction
configuration: a piston and a displacer in the same
cylinder
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Source: www.grc.nasa.gov
Introduction
configuration: a piston and a displacer, each in its owncylinder.
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type (1)Introduction
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type (2)Introduction
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type (4)type (3)Introduction
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type (5)Introduction
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type (6)T-swing armIntroduction
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Free-Piston Stirling Engines
Source: www.grc.nasa.gov
typeIntroduction
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Introduction
Advantages of Stirling Machines
High thermal efficiency
A variety of external heat sources
Low in emissions
Quiet
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Source: Y.A. Cengel & M.A. Boles, Thermodynamics-An Engineering Approach, 4th Ed.
Introduction
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Hot-Air Engine (Robert Stirling, 1816)
Stirling Engines
in History
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Ericsson and His Pumping Engines
(5-, 6-, 8-, and 10-inch, during 1870-1905)
Stirling Engines
in History
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Stirling Engines
in History
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The Ericsson
(2200 ton, 4 hot-air engines, 14 ft piston diameter)
Stirling Engines
in History
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Rider Water-Pumping Engine (A.K. Rider, 1876)
Stirling Engines
in History
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Stirling Engines
in History
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Stirling Fan (Lake Breeze Motor, 1918)
Stirling Engines
in History
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Philips Stirling Engine (1950-) with Rhombic Drive
Stirling Engines
in History
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Rhombic Drive
Source: www.stirlingsouth.com
Stirling Engines
in History
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V-2 Stirling Engine (Stirling Power System Co., 1981)
Spirit of American Motors
Corp., 1979
Stirling Engines
in History
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Stirling Engines
in History
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Whisper Tech Ltd.
The DC(AC) WhisperGen 750W
Modern Stirling Engines
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Tamin Enterprises
TESE002
Single-cylinder rhombic-drive
CAM001
Four-cylinder cam-drive
Modern Stirling Engines
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Stirling Technology Company
MODEL RG-55 RG-350 RG-450 RG-1000 RG-3000
Electrical Output 60-80 W 350 W450W@50Hz550W@60Hz
1000W@50Hz1250W@60Hz
3000 W
System
Efficiency
29% 23% 30% 23% 39%
Duty Cycle Continuous Continuous Continuous ContinuousContinuo
us
Minimum
Lifetime50,000 hr 50,000 hr 50,000 hr 50,000 hr 50,000 hr
Dimensions13.8 in. x 5 in.
dia
23 in. x 8 in.
dia
24 in. x 7.5 in.
dia
28 in. x 9 in.
dia
34 in. x
10in. dia
Weight 3.5 kg 80 lbs. 100 lbs. 130 lbs. 160 lbs.
Maintenance None None None None None
Modern Stirling Engines
http://stirlingtech.com/products/rg55.shtmlhttp://stirlingtech.com/products/rg350.shtmlhttp://stirlingtech.com/products/rg450.shtmlhttp://stirlingtech.com/products/rg1000.shtmlhttp://stirlingtech.com/products/rg3000.shtmlhttp://stirlingtech.com/products/rg3000.shtmlhttp://stirlingtech.com/products/rg3000.shtmlhttp://stirlingtech.com/products/rg3000.shtmlhttp://stirlingtech.com/products/rg1000.shtmlhttp://stirlingtech.com/products/rg1000.shtmlhttp://stirlingtech.com/products/rg1000.shtmlhttp://stirlingtech.com/products/rg450.shtmlhttp://stirlingtech.com/products/rg450.shtmlhttp://stirlingtech.com/products/rg450.shtmlhttp://stirlingtech.com/products/rg350.shtmlhttp://stirlingtech.com/products/rg350.shtmlhttp://stirlingtech.com/products/rg350.shtmlhttp://stirlingtech.com/products/rg55.shtmlhttp://stirlingtech.com/products/rg55.shtmlhttp://stirlingtech.com/products/rg55.shtml -
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Stirling Technology Company
RG55 RG350
RG450
RG1000 RG3000
Modern Stirling Engines
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M87 cryocoolermass 2.7 kg
length 280 mm
diameter 83 mm
Sunpower, Inc.
Model B-10BBeale Free-Piston 1 W
height 250 mm
base diameter 100 mm
cylinder diameter 60 mm
Modern Stirling Engines
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Miniature Engines (PEACE Lab., NCKU)
Modern Stirling Engines
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Miniature Engines
Design Phase: Two-dimensional Drawing
Modern Stirling Engines
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Miniature Engines
Design Phase: Three-dimensional Drawing
Modern Stirling Engines
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Analysis Phase: Mesh and Finite Element Analysis
Miniature Engines
Modern Stirling Engines
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Modern Stirling Engines
Miniature Engines (PEACE Lab., NCKU)
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Industrial Projects
Miniature Engines (PEACE Lab., NCKU)
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Modern Stirling Engines
Miniature Engines (PEACE Lab., NCKU)
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(1) Low-Temperature-Differential Stirling Engine
(Logic System Technology Co. )
Industrial Projects
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(2) Electronic Cooler (POLO Technology Co.)
Industrial Projects
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(3) Stirling Fan- Heat-Driven Water Heater Ventilation
Industrial Projects
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Industrial Projects
(4) 300-W Stirling Power Generator
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Industrial Projects
(5) Magnetic-Enforced Stirling Engine
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Solar Thermal Dish/Stirling Power Systems
Hybrid Stirling/Electric Cars
Micro-Stirling Engines
Energy Saving Units/Waste Heat Regenertion
Auto-Start Electronic Cooling Devices
Free-Piston Stirling Coolers (FPSC) Hydrogen Stirling Engines
Potential Technologies
Potential Technologies
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Source: Sandia National Laboratories
Solar Thermal Dish/Stirling Power Systems
Potential Technologies
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Norway's Think.High-power lithium-ion batteries
Stirling engine
AC motor
Source: CNN money.com July 31, 2007.
Potential Technologies
Hybrid Stirling/Electric Car
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Source: www.globalcooling.nl
Montreal Protocol
on substances that
deplete the Ozonelayer (CFCHCFCs
Halon)
Kyoto Protocol
on greenhouse gases
(O2 PFCsHFCs
and SF6) (GWP)
Potential Technologies
Free-Piston Stirling Cooler (FPSC)
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Concluding Remarks
Hydro,
Fossil fuels,
Solar,Electrochemical,
Oceanic,
Nuclear,
Wind,
Geothermal,
etc.
Power
Energy Conversion Units
Lighting
Refrigeration
Magnetism
New Challenges = New Opportunities
Summary