Using Energy Concepts and the Ideal Gas ModelAir undergoes
Chapter 3, Problem 144P(choose chapter or problem)
Air undergoes a polytropic process in a piston-cylinder assembly from \(p_1=14.7 \mathrm{lbf} / \mathrm{in.}^2, T_1=70^{\circ} \mathrm{F}\) to \(p_2=100 \mathrm{lbf} / \mathrm{in} .{ }^2\) Using IT, plot the work and heat transfer, each in Btu per lb of air, for polytropic exponents ranging from 1.0 to 1.6. Investigate the error in the heat transfer introduced by assuming constant \(c_v\) evaluated at \(70^{\circ} \mathrm{F}\). Discuss.
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