b) Figure Q1(b) shows a P-v diagram consists of isentropic, polytropic, and isothermal compression processes between the same pressure limits. Based on the figure, distinguish the work input to the compressor for all the three processes. (6 marks) P P_2 Isentropic (n = k) Polytropic (1 < n < k) Isothermal (n = 1) P_1 1 v Figure Q1(b)
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Isentropic compression: In an isentropic process, the entropy remains constant. This means that the compression is reversible and adiabatic. The work input for an isentropic process can be determined by the area under the curve on the P-v diagram. In this case, Show more…
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