A Carnot power cycle has a high temperature of 1500 K and a low temperature of 500 K. The pressure at the bottom right of the cycle on a TS diagram (state 3) is 200 kPa and 600 kPa at the bottom left (state 4). The fluid inside is air and can be treated as an ideal gas (cp = 1.005 kJ/kg). Determine a. The pressure at the beginning (state 1) and end of the isothermal expansion (state 2), each in kPa. b. The heat transfer and work, in kJ/kg for each process. c. The thermal efficiency.
A Carnot power cycle has a high temperature of 1500 K and a low temperature of 500 K. The pressure at the bottom right of the cycle on a TS diagram (state 3) is 200 kPa and 600 kPa at the bottom left (state 4). The fluid inside is air and can be treated as an ideal gas (cp = 1.005 kJ/kg). Determine a. The pressure at the beginning (state 1) and end of the isothermal expansion (state 2), each in kPa. b. The heat transfer and work, in kJ/kg for each process. c. The thermal efficiency.
International Edition---engineering Mechanics: Statics, 4th Edition
4th Edition
ISBN:9781305501607
Author:Andrew Pytel And Jaan Kiusalaas
Publisher:Andrew Pytel And Jaan Kiusalaas
Chapter9: Moments And Products Of Inertia Of Areas
Section: Chapter Questions
Problem 9.46P
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A Carnot power cycle has a high temperature of 1500 K and a low temperature of 500 K.
The pressure at the bottom right of the cycle on a TS diagram (state 3) is 200 kPa and 600
kPa at the bottom left (state 4). The fluid inside is air and can be treated as an ideal gas (cp =
1.005 kJ/kg). Determine
a. The pressure at the beginning (state 1) and end of the isothermal expansion
(state 2), each in kPa.
b. The heat transfer and work, in kJ/kg for each process.
c. The thermal efficiency.
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