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Ai inventor proposes a four -stroke cycle running on helium. The engine has a compression ratio...

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Mechanical Engineering

Ai inventor proposes a four -stroke cycle running on helium. Theengine has a compression ratio of 8 and maximum operatingtemperature of 1,500 K. The atmospheric conditions are temperatureof 300 K and pressure of 100 kPa. The processes can be approximatedas below:

1- 2 isentropic compression

2- 3 constant volume heat addition

3- 4 isentropic expansion

4- 1 constant pressure heat removal

a.

Plot P-v and T-s diagrams for this cycle.

b.

Determine state conditions at the end of each step by filling upthe table below.

c. Heat addition

d. Net work

e. Thermal efficiency

Hint: Cp= 5.193 kJ/kg.K, Cv = 3.116 kJ/kg.K, R = 2.077 kJ/kg.K,k = 1.667

Please show work for all questions a-e. Thank You

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