thermal efficiency

nounThermodynamics.

the ratio of the work output of a heat engine to the heat input expressed in the same units of energy.

Origin of thermal efficiency

First recorded in 1905–10

Words Nearby thermal efficiency

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use thermal efficiency in a sentence

The thermal efficiency of an engine is the ratio of the heat transformed into work to the total heat supplied to the engine.
Steam Engines | Anonymous
In his patent of 1782 Watt gives the following example of the improvement in thermal efficiency obtained by expansive working.
Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 2 | Various
The thermal efficiency of the best non-condensing engine to that of the gas-engine is in the ratio 4/22.
Scientific American Supplement, No. 508, September 26, 1885 | Various

British Dictionary definitions for thermal efficiency

thermal efficiency

noun

the ratio of the work done by a heat engine to the energy supplied to it: Compare efficiency

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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