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s) Repeat Prob. 9–52 using constant specific heats at room temperature. 9-52 An air-standard Diesel cycle has a compression ratio of 16 and a cutoff ratio of 2. At the

beginning of the compression process, air is at 95 kPa and 27°C. Accounting for the variation of specific heats with temperature, determine (a) the temperature after the heat-addition process, (b) the thermal efficiency, and (c) the mean effective pressure. Answers: (a) 1725 K, (b)56.3 percent, (c) 675.9 kPa

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