thermal efficiency

noun

, Thermodynamics.

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

thermal efficiency

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

First recorded in 1905–10

The thermal efficiency of an engine is the ratio of the heat transformed into work to the total heat supplied to the engine.

In his patent of 1782 Watt gives the following example of the improvement in thermal efficiency obtained by expansive working.

The thermal efficiency of the best non-condensing engine to that of the gas-engine is in the ratio 4/22.

April 19, 2024tortuous

[tawr-choo-uhs ]

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