The ideal heat engine of Carnot performs 75 kJ in one cycle. Heater temperature 100 degrees Celsius,
June 15, 2021 | education
| The ideal heat engine of Carnot performs 75 kJ in one cycle. Heater temperature 100 degrees Celsius, refrigerator 0 degrees. Find the efficiency of the cycle.
The efficiency of the Carnot cycle is determined by the formula:
η = (Tn-To) / Tn * 100% Since in a particular problem Tn = 100C = 373K, To = 0C = 273 K we get:
η = (373-273) / 373 * 100% = 26.8%
It should be noted that the efficiency does not depend on the work being done; this condition in the problem is superfluous.
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