A two-stage air compressor has an intercooler between the two stages as shown in Fig. P11.60, the

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A two-stage air compressor has an intercooler between the two stages as shown in Fig. P11.60, the inlet state is 100 kPa, 290 K, and the final exit pressure is 1.6 MPa. Assume that the constant pressure intercooler cools the air to the inlet temperature, T3 T1. It can be shown, see Problem 9.130, that the optimal pressure, P2 = (P1P4)1/2, for minimum total compressor work. Find the specific compressor works and the intercooler heat transfer for the optimal P2.
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Fundamentals of Thermodynamics

ISBN: 978-0471152323

6th edition

Authors: Richard E. Sonntag, Claus Borgnakke, Gordon J. Van Wylen

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