Ammonia in a piston/cylinder arrangement is at 700 kPa, 80C. It is now cooled at constant pressure

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Ammonia in a piston/cylinder arrangement is at 700 kPa, 80°C. It is now cooled at constant pressure to saturated vapor (state 2) at which point the piston is locked with a pin. The cooling continues to −10°C (state 3). Explain the method 1 to 2 and 2 to 3 on both a P–v and T–v diagram.

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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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