EBK THERMODYNAMICS: AN ENGINEERING APPR
8th Edition
ISBN: 8220102809444
Author: CENGEL
Publisher: YUZU
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Chapter 8.8, Problem 37P
A piston–cylinder device initially contains 2 L of air at 100 kPa and 25°C. Air is now compressed to a final state of 600 kPa and 150°C. The useful work input is 1.2 kJ. Assuming the surroundings are at 100 kPa and 25°C, determine (a) the exergy of the air at the initial and the final states, (b) the minimum work that must be supplied to accomplish this compression process, and (c) the second-law efficiency of this process.
FIGURE P8–38
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to be 2 kJ during this process. Assuming the surroundings to be at T₁ =25°C and P = 100 kPa, determine
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0
P₁ = 1 MP
T₁ = 300°C
State 1
Po= 100 kPa
To = 25°C
2 kJ
Steam
P₂= 200 kPa
T₂ = 150°C
State 2
Chapter 8 Solutions
EBK THERMODYNAMICS: AN ENGINEERING APPR
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