Round eveything to 4 decimal places. Saturated steam at 150°C is used as a working fluid for a device that supplies heat to a reservoir with a temperature of 250°C. Since the device is not 100% efficient, waste heat is produced to a sink of cooling water at 10°C. To be able to maintain the temperature in the reservoir, 2500 kJ of heat should be supplied, is this possible? Prove using entropy. Assume that the working fluid leaves as liquid water at 15°C.
Round eveything to 4 decimal places. Saturated steam at 150°C is used as a working fluid for a device that supplies heat to a reservoir with a temperature of 250°C. Since the device is not 100% efficient, waste heat is produced to a sink of cooling water at 10°C. To be able to maintain the temperature in the reservoir, 2500 kJ of heat should be supplied, is this possible? Prove using entropy. Assume that the working fluid leaves as liquid water at 15°C.
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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Round eveything to 4 decimal places. Saturated steam at 150°C is used as a working fluid for a device that supplies heat to a reservoir with a temperature of 250°C. Since the device is not 100% efficient, waste heat is produced to a sink of cooling water at 10°C. To be able to maintain the temperature in the reservoir, 2500 kJ of heat should be supplied, is this possible? Prove using entropy. Assume that the working fluid leaves as liquid water at 15°C.
Transcribed Image Text:RESERVOIR, T=250°C
QH
Saturated Steam
Compressed liquid
T2 = 15°C
Tl = 150°C
DEVICE
Xv = 0.75
m = 5 kg
Qc
SINK, 10°C
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