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Thermal efficiency
English Wikipedia - The Free Encyclopedia
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Thermal efficiency
In
thermodynamics
, the
thermal efficiency
(
) is a
dimensionless
performance measure of a device that uses
thermal energy
, such as an
internal combustion engine
, a
steam turbine
or a
steam engine
, a
boiler
, a
furnace
, or a
refrigerator
for example. For a
power cycle
, thermal efficiency indicates the extent to which the energy added by heat is converted to net work output. In the case of a
refrigeration or heat pump cycle
, thermal efficiency indicates the extent to which the energy added by work is converted to net heat output.
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