Otto, Diesel, and Dual Cycles Solve Problem 9.34 on a cold air-standard basis with specific heats evaluated at 300 K.
An air-standard dual cycle has a compression ratio of 9. At the beginning of compression, p1 = 100 kPa, T1 = 300 K, and V1 = 14 L. The heat addition is 22.7 kJ, with one half added at constant volume and one half added at constant pressure. Determine
(a) the temperatures at the end of each heat addition process, in K.
(b) the net work of the cycle per unit mass of air, in kJ/kg.
(c) the thermal efficiency.
(d) the mean effective pressure, in kPa.
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