Q.4/ A combination of a heat engine driving a heat pump, the heat energy supplied to the heat engine is 5040 J, and the temperature of the hot reservoir Tmin is 30 °C and the thermal efficiency of the heat engine is 41%. The work energy W12 of heat engine goes to the heat pump that the coefficient of performance COPHP=1.3. Find: a) The Tmaxmax of the heat engine, b) The Tminmin of the heat pump, c) The work done between two engines d) Qrej of the heat pump

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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Q.4/A combination of a heat engine driving a heat pump, the heat energy
supplied to the heat engine is 5040 J, and the temperature of the hot reservoir
Tmin is 30 °C and the thermal efficiency of the heat engine is 41%. The work
energy W12 of heat engine goes to the heat pump that the coefficient of
performance COPHP=1.3. Find:
a) The Tmaxmax of the heat engine,
b) The Tminmin of the heat pump,
c) The work done between two engines
d) Qrej of the heat pump
T max
150 °C
Qadd
= 5040 J.
W 12
Н.Е.
Н.Р.
Qrej
30 °C
T min
Transcribed Image Text:Q.4/A combination of a heat engine driving a heat pump, the heat energy supplied to the heat engine is 5040 J, and the temperature of the hot reservoir Tmin is 30 °C and the thermal efficiency of the heat engine is 41%. The work energy W12 of heat engine goes to the heat pump that the coefficient of performance COPHP=1.3. Find: a) The Tmaxmax of the heat engine, b) The Tminmin of the heat pump, c) The work done between two engines d) Qrej of the heat pump T max 150 °C Qadd = 5040 J. W 12 Н.Е. Н.Р. Qrej 30 °C T min
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