A Carnot power cycle employing 1 lb of air as a working substance is pressumed to operate between temperature limits of 600 F and 70 F . The pressure at the beginning and end of isothermal expansion process are 510 psia and 170 psia respectively
A Carnot power cycle employing 1 lb of air as a working substance is pressumed to operate between temperature limits of 600 F and 70 F . The pressure at the beginning and end of isothermal expansion process are 510 psia and 170 psia respectively
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.) A Carnot power cycle employing 1 lb of air as a working substance is pressumed to operate between temperature limits of 600 F and 70 F . The pressure at the beginning and end of isothermal expansion process are 510 psia and 170 psia respectively
Determine:
A.) The change of volume between the end of isentropic expansion and the end of isentropic compression , ft *3/lb .
B.) The heat supplied to the cycle , Btu/ lb
C.) The heat rejected to the cycle , btu/ lb
D.) The net work of the cycle , btu . lb
E.) The cycle thermal efficiency , %
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