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coefficient of performance

American  

noun

Thermodynamics.

  1. 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

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

What is the best possible coefficient of performance for these temperatures?

From Textbooks • Aug. 12, 2015

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

From Textbooks • Aug. 12, 2015

The fourth set of experiments was made in 1834, upon the vessels Magnet, Dart, Eclipse, Flamer, Firefly, Ferret, and Monarch, when the coefficient of performance was found to be 1580.

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

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.