(Solution) - An ideal diesel engine has a compression ratio of 20 -(2025 Original AI-Free Solution)

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An ideal diesel engine has a compression ratio of 20 and uses nitrogen gas as working fluid. The state of nitrogen gas at the beginning of the compression process is 95 kPa and 20oC. If the maximum temperature in the cycle is not to exceed 2200 K, determine
(a) The thermal efficiency and
(b) The mean effective pressure. Use the PG model for nitrogen.