begin mathsize 36px style eta equals space 1 minus space T subscript c o l d end subscript over T subscript h o t end subscript end style

η =  Efficiency ; Thot =Temperature of the Hot source ; Tcold = Temperature of the Cold Sink ;

 

Tcold

Thot

η

 
This online Carnot thermal efficiency calculator may be used to calculate the theoretical thermal efficiency of a heat engine. In thermodynamics heat engine is specified as a system which can convert the thermal energy into mechanical work. By the second law of thermodynamics such system must contain a heat sink and a heat source. Tcold is the corresponding temperature of the heat sink and Thot is the corresponding temperature of the heat source.    

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