Thermodynamics: An Engineering Approach 8th Edition

Published by McGraw-Hill Education
ISBN 10: 0-07339-817-9
ISBN 13: 978-0-07339-817-4

Chapter 7 - Entropy - Problems - Page 411: 7-171

Answer

No.

Work Step by Step

From the entropy relation for an ideal gas: $\Delta s=c_p\ln{\dfrac{T_2}{T_1}}-R\ln{\dfrac{P_2}{P_1}}$ Since the initial and final pressures are the same, and the process is steady and adiabatic: $s_{gen}=c_p\ln{\dfrac{T_2}{T_1}}\geq0$ Therefore $T_2\geq T_1$ and cooling is not possible.
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