Question: The compression ratio in an air standard Otto cycle is 8. At the beginning of the compression stroke the pressure is 0.1 MPa and the

The compression ratio in an air standard Otto cycle is 8. At the beginning of the compression stroke the pressure is 0.1 MPa and the temperature is 21oC. The heat transfer to the air per cycle is 2000 kJ/kg. Determine
(a) The thermal efficiency and
(b) The mean effective pressure. Use the PG model for air.

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