solution
solution.
A gas undergoes a thermodynamic cycle consisting of three processes:
Process 1–2: compression with pV constant, from p1 1 bar, V1 1.6 m3 to V2 0.2 m3 , U2 U1 0
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Order Paper NowProcess 2–3: constant pressure to V3 V1
Process 3–1: constant volume, U1 U3 3549 kJ
There are no significant changes in kinetic or potential energy. Determine the heat transfer and work for Process 2–3, in kJ. Is this a power cycle or a refrigeration cycle?
A closed system undergoes a thermodynamic cycle consisting of the following processes:
Process 1–2: adiabatic compression with pV1.4 constant from p1 50 lbf/in.2 , V1 3 ft3 to V2 1 ft
Process 2–3: constant volume
Process 3–1: constant pressure, U1 U3 46.7 Btu
There are no significant changes in kinetic or potential energy.
(a) Sketch the cycle on a p–V diagram.
(b) Calculate the net work for the cycle, in Btu.
(c) Calculate the heat transfer for process 2–3, in Btu.
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