A piston-cylinder assembly initially has 100 kPa pressure and 2 Liter air at 25 ° C. The air is then compressed to 620 kPa pressure and 160 ° C. Useful work for compression is 1.22 kJ. Assuming that the ambient pressure and temperature are 100 kPa and 25 ° C respectively,a) Calculate the availability of air in the initial and final states,b) the minimum work required for the compression process,c) Calculate the second law efficiency of the state change. CInitially 100 kPa pressure and 25 °C in a piston-cylinder assemblyThere is 2 Liter air at temperature. Then the air is 620 kPapressure and compressed to 160 ° C. Made for compressionuseful work is 1.22 kJ. The ambient pressure and temperature are 100 kPa andAssuming it is 25 ° C,a) The availability of air in the first and last cases,b) Minimum work required for the compression process,c) Calculate the second law efficiency of the state change(0)

Answered: A piston-cylinder assembly initially…

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 piston-cylinder assembly initially has 100 kPa pressure and 2 Liter air at 25 ° C. The air is then compressed to 620 kPa pressure and 160 ° C. Useful work for compression is 1.22 kJ. Assuming that the ambient pressure and temperature are 100 kPa and 25 ° C respectively,

a) Calculate the availability of air in the initial and final states,

b) the minimum work required for the compression process,

c) Calculate the second law efficiency of the state change.

C
Initially 100 kPa pressure and 25 °C in a piston-cylinder assembly
There is 2 Liter air at temperature. Then the air is 620 kPa
pressure and compressed to 160 ° C. Made for compression
useful work is 1.22 kJ. The ambient pressure and temperature are 100 kPa and
Assuming it is 25 ° C,
a) The availability of air in the first and last cases,
b) Minimum work required for the compression process,
c) Calculate the second law efficiency of the state change
(0)

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