Solved: Otto, Diesel, and Dual Cycles Consider a cold
Chapter 9, Problem 25P(choose chapter or problem)
Consider a cold air-standard Diesel cycle. Operating data at principal states in the cycle are given in the table below. The states are numbered as in Fig. 9.5. For \(k=1.4, c_v= 0.718 \mathrm{~kJ} /(\mathrm{kg} \cdot \mathrm{K})\), and \(c_p=1.005 \mathrm{~kJ} /(\mathrm{kg} \cdot \mathrm{K})\), determine
(a) the heat transfer per unit mass and work per unit mass for each process, in \(\mathrm{kJ} / \mathrm{kg}\), and the cycle thermal efficiency.
(b) the exergy transfers accompanying heat and work for each process, in \(\mathrm{kJ} / \mathrm{kg}\). Devise and evaluate an exergetic efficiency for the cycle. Let \(T_0=300 \mathrm{~K}\) and \(p_0=100 \mathrm{kPa}\).
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