1 mole of an ideal gas follows the cycle shown in the figure. 1-2 is isobaric process, 2-3 is adiabatic process and 3-1 is isochoric process. V1, P1 are given; V2 = 2V1, P2 = P1/3. Determine (according to P1, V1): a) Adiabatic coefficient g and molar specific heats Cv and Cp (from the process 2-3)? b) The heats from 1-2 and 3-1 processes? c) The thermal efficiency of the engine operating with this cycle (the cycle is CCW).

1 mole of an ideal gas follows the cycle shown in the figure. 1-2 is isobaric process, 2-3 is adiabatic process and 3-1 is isochoric process. V1, P1 are given; V2 = 2V1, P2 = P1/3. Determine (according to P1, V1): a) Adiabatic coefficient g and molar specific heats Cv and Cp (from the process 2-3)? b) The heats from 1-2 and 3-1 processes? c) The thermal efficiency of the engine operating with this cycle (the cycle is CCW).

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Question

1 mole of an ideal gas follows the cycle shown in the figure. 1-2 is isobaric process, 2-3 is adiabatic process and 3-1 is isochoric process. V1, P1 are given; V2 = 2V1, P2 = P1/3.

Determine (according to P1, V1):

a) Adiabatic coefficient g and molar specific heats Cv and Cp (from the process 2-3)?

b) The heats from 1-2 and 3-1 processes?

c) The thermal efficiency of the engine operating with this cycle (the cycle is CCW).

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Step 2: (a) To find adiabatic coefficient and molar specific heats.

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Step 3: (b) To find the heats from 1-2 and 3-1 processes.

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Step 4: (c) To the thermal efficiency of the engine operating with this cycle.

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