Otto, Diesel, and Dual Cycles Consider a modification of the air-standard Otto cycle in which the isentropic compression and expansion processes are each replaced with polytropic processes having n = 1.3. The compression ratio is 9 for the modified cycle. At the beginning of compression, p1 = 1 bar and T1 = 300 K and V1 = 2270 cm3. The maximum temperature during the cycle is 2000 K. Determine
(a) the heat transfer and work in kJ, for each process in the modified cycle.
(b) the thermal efficiency.
(c) the mean effective pressure, in bar.
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