coefficient of performance

American

noun

Thermodynamics.

a constant that denotes the efficiency of a refrigerator, expressed as the amount of heat removed from a substance being refrigerated divided by the amount of work necessary to remove the heat. COP

Example Sentences

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This ratio is called the coefficient of performance, or COP - the higher it is, the better.

From BBC • Jan. 23, 2023

What is the cold reservoir temperature if the pump is to have a coefficient of performance of 12.0?

From Textbooks • Aug. 12, 2015

To calculate the heat pump's coefficient of performance, use the equation COPhp = Qh .

From Textbooks • Aug. 12, 2015

Suppose you want to operate an ideal refrigerator with a cold temperature of −10.0ºC , and you would like it to have a coefficient of performance of 7.00.

From Textbooks • Aug. 12, 2015

A.--The purpose of the experiments was to establish a coefficient of performance, which with any given class of vessel would enable the speed, which would be obtained with any given power, to be readily predicted.

From A Catechism of the Steam Engine by Bourne, John, C.E.

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023