Air in a piston-cylinder assembly undergoes a Carnot power cycle. For the process numbers used in this problem refer to Figure 5.13 in the textbook and the figure below for a T-s diagram. The isothermal expansion and compression occur at 840 K and 295 K respectively. The pressures at the beginning and the end of the cycle are p1 = 400 kPa and p4 = 100 kPa, respectively. Assuming the ideal gas model for both constant and variable heat capacity, cp = 1.005 kJ/kg·K and k = 1.40 determine: a) the pressures p2 and p3. b) the heat transfer and work for each process. c) the thermal effici ency.
Air in a piston-cylinder assembly undergoes a Carnot power cycle. For the process numbers used in this problem refer to Figure 5.13 in the textbook and the figure below for a T-s diagram. The isothermal expansion and compression occur at 840 K and 295 K respectively. The pressures at the beginning and the end of the cycle are p1 = 400 kPa and p4 = 100 kPa, respectively. Assuming the ideal gas model for both constant and variable heat capacity, cp = 1.005 kJ/kg·K and k = 1.40 determine: a) the pressures p2 and p3. b) the heat transfer and work for each process. c) the thermal effici ency.
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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Air in a piston-cylinder assembly undergoes a Carnot power cycle. For the process numbers used in this problem refer to Figure 5.13 in the textbook and the figure below for a T-s diagram. The isothermal expansion and compression occur at 840 K and 295 K respectively. The pressures at the beginning and the end of the cycle are p1 = 400 kPa and p4 = 100 kPa, respectively. Assuming the ideal gas model for both constant and variable heat capacity, cp = 1.005 kJ/kg·K and k = 1.40 determine:
a) the pressures p2 and p3.
b) the heat transfer and work for each process.
c) the thermal effici
ency.
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