Problem. A reversible heat engine operates between high and low temperature reservoirs at TH and TL, respectively, and the heat QH is transferred from the high temperature reservoir to the heat engine. a) Write the expression of work W produced by the heat engine using TH, TL, and Он. Now, consider a rigid tank that contains 4 kmol of ideal gas at 500K and 4MPA. A reversible heat engine operates by using this rigid tank as high temperature reservoir and another low temperature reservoir at 320 K. The reversible heat engine stop working when the temperature of rigid tank becomes 320 K. Assuming C, =R, b) determine the total amount of work the heat 3 2 engine produced. (Hint: for ideal gas, du = C,dT. And use the 1st law to relate the heat transfer and the change of internal energy of the rigid tank). Reversible Rigid Tank Low temperature heat engine Reservoir Ideal gas QH 4 kmol 320K 500 K 4 MPa W

Elements Of Electromagnetics
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Author:Sadiku, Matthew N. O.
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Problem. A reversible heat engine operates between high and low temperature reservoirs at TH
and T1, respectively, and the heat QH is transferred from the high temperature reservoir to the
heat engine. a) Write the expression of work W produced by the heat engine using TH, TL, and
Он.
Now, consider a rigid tank that contains 4 kmol of ideal gas at 500K and 4MPA. A reversible heat
engine operates by using this rigid tank as high temperature reservoir and another low
temperature reservoir at 320 K. The reversible heat engine stop working when the temperature of
3
rigid tank becomes 320 K. Assuming C,
R, b) determine the total amount of work the heat
2
engine produced. (Hint: for ideal gas, du = C,dT. And use the 1st law to relate the heat transfer
and the change of internal energy of the rigid tank).
Rigid
Reversible
Low temperature
Tank
heat engine
Reservoir
Ideal gas
QH
QL
4 kmol
320K
500 K
4 MPa
W
Transcribed Image Text:Problem. A reversible heat engine operates between high and low temperature reservoirs at TH and T1, respectively, and the heat QH is transferred from the high temperature reservoir to the heat engine. a) Write the expression of work W produced by the heat engine using TH, TL, and Он. Now, consider a rigid tank that contains 4 kmol of ideal gas at 500K and 4MPA. A reversible heat engine operates by using this rigid tank as high temperature reservoir and another low temperature reservoir at 320 K. The reversible heat engine stop working when the temperature of 3 rigid tank becomes 320 K. Assuming C, R, b) determine the total amount of work the heat 2 engine produced. (Hint: for ideal gas, du = C,dT. And use the 1st law to relate the heat transfer and the change of internal energy of the rigid tank). Rigid Reversible Low temperature Tank heat engine Reservoir Ideal gas QH QL 4 kmol 320K 500 K 4 MPa W
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