An air standard cycle with constant specific heats is
Chapter 9, Problem 9173(choose chapter or problem)
An air standard cycle with constant specific heats is executed in a closed piston-cylinder system and is composed of the following three processes: 1-2 Constant volume heat addition 2-3 lsentropic expansion with an expansion ratio r 5 V3/V2 3-1 Constant pressure heat rejection (a) Sketch the P-v and T-s diagrams for this cycle (b) Obtain an expression for the back work ratio as a function of k and r (c) Obtain an expression for the cycle thermal efficiency as a function of k and r (d ) Determine the value of the back work ratio and efficiency as r goes to unity What do your results imply about the net work done by the cycle?
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