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Books > Professional & Technical > Transport technology > Automotive technology
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Free Piston Stirling Engines (Paperback, Softcover reprint of the original 1st ed. 1985)
Loot Price: R3,069
Discovery Miles 30 690
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Free Piston Stirling Engines (Paperback, Softcover reprint of the original 1st ed. 1985)
Series: Lecture Notes in Engineering, 12
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DEFINITION AND NOMENCLATURE A Stirling engine is a mechanical
device which operates on a closed regenerative thermodynamic cycle
with cyclic compression and expansion of the working fluid at
different temperature levels. The flow of working fluid is
controlled only by the internal volume changes, there are no valves
and, overall, there is a net conversion of heat to work or
vice-versa. This generalized definition embraces a large family of
machines with different functions; characteristics and
configurations. It includes both rotary and reciprocating systems
utilizing mechanisms of varying complexity. It covers machines
capable of operating as a prime mover or power system converting
heat supplied at high tempera ture to output work and waste heat at
a lower temperature. It also covers work-consuming machines used as
refrigerating systems and heat pumps abstracting heat from a low
temperature source and delivering this plus the heat equivalent of
the work consumed to a higher tem perature. Finally it covers
work-consuming devices used as pressure generators compressing a
fluid from a low pressure to a higher pres sure. Very similar
machines exist which operate on an open regen erative cycle where
the flow of working fluid is controlled by valves. For convenience
these may be called Ericsson engines but unfortunate ly the
distinction is not widely established and regenerative machines of
both types are frequently called 'Stirling engines'."
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