striling engine.1
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STIRLING ENGINEA PROJECT REPORT
Submitted by
KARTHI.S (090111804029)KARTHIKEYAN.E (090111804030)PERUMAL.V (090111804040)
GUIDE BY :Miss.JAMUNA.E
AP/MECHtkecmecheri
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HISTORYInventor = Robert
Stirling (1790 - 1878)Sought to replace the
steam turbines of his days
due to frequent explosion
caused by unsustainablehigh pressure killing and
injuring workers
Invented Stirling engine in
1816 which could not
explode and produce more
power then the steam
engine used.
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STIRLING ENGINE
Device that converts heat energy to mechanicalpower by alternately compressing and expandinga fixed quantity of working fluid at differenttemperatures.
Regeneration as alternative.
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WHY STIRLING ENGINE?
Best teaching and learning for any engineering
students device especially in the field of
thermodynamics.
Unique technology.
An innovation with hundreds of application.
An innovation with a mission to save the earth.Fuel independency.
With out fuels to function.
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MAIN COMPONENTSPower piston small tightly sealed piston that
moves up when the gas inside the engine expandsDisplacer larger piston and it is very loose in its
cylinder so air can move easily between the heatedcooled sections of the engine as the displacer moves
up and down
These piston move by the action of compression andexpansion.
Difference in pressure causes the piston to moveand produce power.
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Components ofStirling Engine
Engine Head Engine Cylinder
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Engine Crankshaft Piston
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Piston Pin Piston Pin Lock
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COMMON CONFIGURATION
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GAMMA MECHANICAL
CONFUGURATION
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WORKING PRINCIPLE
I. One side of the engine is continuously rotated bymotor.
II. First, when the piston moves BDC to TDC, the air is
compressed inside the cylinder.
III. Then the air moves through the regenerator to the
cold side, where it cools off and contracts pulling
down on the piston.
IV. Temperature change inside the engine produces the
pressure change needed to push on the piston and
make the engine run.
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FABIRICATION
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ADVANTAGES
Various heat sources (solar, geothermal, nuclearenergy, waste heat, biological)
Environmental friendly
Heat is external and the burning of a fuel-airmixture can be more accurately controlled.
Operates at relatively low pressure and thus are
much safer than typical steam turbinesLess manpower needed to operate any type of
commercial Stirling engine.
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APPLICATIONS
Water pump stationsCombined heat and power plant
Solar power generation
Stirling cyrocoolers
Heat pump
Marine engines
Nuclear power
Aircraft engines
Micro CHP
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APPLICATION
WATER PUMP STATION
A Stirling engine used for
pumping water can be
configured so that the water
cools the compression space.
This is most effective whenpumping cold water.
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STIRLING CYROCOOLERS Any Stirling engine will also work in reverse as a
heat pump. When a motion is applied to the shaft, a
temperature difference appears between the
reservoirs.
NUCLEAR POWER
Replacing the steam turbines of the nuclear power
plant with Stirling engine might simplify the plant,yield greater efficiency, and reduce the radioactivity
by products.
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CONCLUSION
Unlimited source of heat source
Political awareness of green heat and power
production.
Large market experiencing rapid growth.
Many different possible applications.
Time to change.
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