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A gas within a piston-cylinder assembly executes a Carnot power cycle during which the isothermal expansion occurs at TH = 500 K and the isothermal compression occurs at TC = 290 K.     Determine:   (a) the thermal efficiency.   (b) the percent change in thermal efficiency if TH increases by 5% while TC remains the same.   (c) the percent change in thermal efficiency if TC decreases by 5% while TH remains the same.

A gas within a piston-cylinder assembly executes a Carnot power cycle during which the isothermal expansion occurs at TH = 500 K and the isothermal compression occurs at TC = 290 K.     Determine:   (a) the thermal efficiency.   (b) the percent change in thermal efficiency if TH increases by 5% while TC remains the same.   (c) the percent change in thermal efficiency if TC decreases by 5% while TH remains the same.

Elements Of Electromagnetics
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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A gas within a piston-cylinder assembly executes a Carnot power cycle during which the isothermal expansion occurs at TH = 500 K and the isothermal compression occurs at TC = 290 K.

 

 

Determine:

 

(a) the thermal efficiency.

 

(b) the percent change in thermal efficiency if TH increases by 5% while TC remains the same.

 

(c) the percent change in thermal efficiency if TC decreases by 5% while TH remains the same.

 

(d) the percent change in thermal efficiency if TH increases by 5% and TC decreases by 5%.

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