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Carnot cycle

American  

noun

Thermodynamics.
  1. an ideal cycle of reversible engine operations in which a substance at one temperature is compressed adiabatically to a second temperature, expanded isothermally at the second temperature, expanded adiabatically from the second temperature to the first temperature, and compressed isothermally at the first temperature.


Carnot cycle British  

noun

  1. an idealized reversible heat-engine cycle giving maximum efficiency and consisting of an isothermal expansion, an adiabatic expansion, an isothermal compression, and an adiabatic compression back to the initial state

"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

Etymology

Origin of Carnot cycle

After N. L. S. Carnot

Example Sentences

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Figure 15.23 PV diagram for a Carnot cycle, employing only reversible isothermal and adiabatic processes.

From Textbooks • Aug. 12, 2015

Any engine that uses the Carnot cycle enjoys the maximum theoretical efficiency.

From Textbooks • Aug. 12, 2015

The second law of thermodynamics can be restated in terms of the Carnot cycle, and so what Carnot actually discovered was this fundamental law.

From Textbooks • Aug. 12, 2015

Any heat engine employing the Carnot cycle is called a Carnot engine.

From Textbooks • Aug. 12, 2015

This cycle is not so efficient as the Carnot cycle for given limits of temperature, but, for the given limits of volume imposed, it gives a much higher efficiency than the Carnot cycle.

From Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 2 "Hearing" to "Helmond" by Various