A piston/cylinder setup, shown in Fig. P3.238, contains R-410a at 20C, x = 20%. The volume is

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A piston/cylinder setup, shown in Fig. P3.238, contains R-410a at −20◦C, x = 20%. The volume is 0.2 m3. It is known that Vstop = 0.4 m3, and if the piston sits at the bottom, the spring force balances the other loads on the piston. The system is now heated to 20◦C. Find the mass of the fluid and show the P–v diagram. Find the work and heat transfer.

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Fundamentals Of Thermodynamics

ISBN: 9781118131992

8th Edition

Authors: Claus Borgnakke, Richard E. Sonntag

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