A piston-cylinder assembly initially contains 100 kPa pressure and 2 liters of air at 25°C. Then the air is compressed to a pressure of 620 kPa and a temperature of 160 ° C. The useful work done for compression is 1.22 k). Considering that the ambient pressure and temperature are 100 kPa and 25°C respectively, a) Calculate the usability of air in the initial and final states., b) Calculate the minimum work required for the compression process. c) Calculate the second-law efficiency of the state change. (Please solve in detail and according to engineering rules. ) Thermodynamics

Elements Of Electromagnetics
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A piston-cylinder assembly initially contains 100 kPa pressure and 2 liters of air at 25°C. Then the air is compressed to a pressure of 620 kPa and a temperature of 160 ° C. The useful work done for compression is 1.22 k). Considering that the ambient pressure and temperature are 100 kPa and 25°C respectively, a) Calculate the usability of air in the initial and final states., b) Calculate the minimum work required for the compression process. c) Calculate the second-law efficiency of the state change. (Please solve in detail and according to engineering rules. ) Thermodynamics

A piston-cylinder assembly initially contains 100 kPa pressure and 2 liters of air at 25 ° C.
Then the air is compressed to a pressure of 620 kPa and a temperature of 160 ° C.
The useful work done for compression is 1.22 kJ. Considering that the
ambient pressure and temperature are 100 kPa and 25 ° C respectively,
a) Calculate the usability of air in the initial and final states.,
b) Calculate the minimum work required for the compression process.
c) Calculate the second-law efficiency of the state change.
(Please solve in detail and according to engineering rules. )
Thermodynamics
Transcribed Image Text:A piston-cylinder assembly initially contains 100 kPa pressure and 2 liters of air at 25 ° C. Then the air is compressed to a pressure of 620 kPa and a temperature of 160 ° C. The useful work done for compression is 1.22 kJ. Considering that the ambient pressure and temperature are 100 kPa and 25 ° C respectively, a) Calculate the usability of air in the initial and final states., b) Calculate the minimum work required for the compression process. c) Calculate the second-law efficiency of the state change. (Please solve in detail and according to engineering rules. ) Thermodynamics
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