Determine the K.P.D. an ideal heat engine, if the heater temperature is 600 K, the refrigerator temperature is 300 K.
| September 29, 2021 | education
K.P.D. η of an ideal heat engine can be found by the formula
η = (T1 – T2) / T1 = 1 – T2 / T1,
where T1 is the heater temperature, T2 is the refrigerator temperature.
For a given ideal heat engine K.P.D. is equal to
η = 1 – 300/600;
η = 1 – 1/2;
η = 1/2 = 0.5,
or
η = 50%.
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