Two reversible engines operate in series between a high-temperature (TH) and a low-temperature (T) reservoir. Engine A rejects heat to engine B, which in tum rejects heat to the low-temperature reservoir. The high-temperature reservoir supplies heat to engine A. Let T,= 1000°K and T. - 400°K and the engine thermal efficiencies are equal. The heat received by engine A is 500 kJ. Determine: a) the temperature of heat rejection by engine A in K, b) the work of engine A and B in kJ, and c) the cycle efficiency.
Two reversible engines operate in series between a high-temperature (TH) and a low-temperature (T) reservoir. Engine A rejects heat to engine B, which in tum rejects heat to the low-temperature reservoir. The high-temperature reservoir supplies heat to engine A. Let T,= 1000°K and T. - 400°K and the engine thermal efficiencies are equal. The heat received by engine A is 500 kJ. Determine: a) the temperature of heat rejection by engine A in K, b) the work of engine A and B in kJ, and c) the cycle efficiency.
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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![1. Two reversible engines operate in series between a high-temperature (T) and a
low-temperature (T) reservoir. Engine A rejects heat to engine B, which in tum
rejects heat to the low-temperature reservoir. The high-temperature reservoir
supplies heat to engine A. Let T,,- 1000°K and T, - 400°K and the engine
thermal efficiencies are equal. The heat received by engine A is 500 kJ.
Determine: a) the temperature of heat rejection by engine A in K, b) the work of
engine A and B in kJ, and c) the cycle efficiency.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fc42f41dd-56b6-4303-96d4-227d45cefcd1%2Fb382269b-aaee-4f27-85c8-394163be05cb%2F0uou7k5_processed.jpeg&w=3840&q=75)
Transcribed Image Text:1. Two reversible engines operate in series between a high-temperature (T) and a
low-temperature (T) reservoir. Engine A rejects heat to engine B, which in tum
rejects heat to the low-temperature reservoir. The high-temperature reservoir
supplies heat to engine A. Let T,,- 1000°K and T, - 400°K and the engine
thermal efficiencies are equal. The heat received by engine A is 500 kJ.
Determine: a) the temperature of heat rejection by engine A in K, b) the work of
engine A and B in kJ, and c) the cycle efficiency.
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