FUNDAMENTALS OF THERMODYNAMICS
FUNDAMENTALS OF THERMODYNAMICS
10th Edition
ISBN: 9781119634928
Author: Borgnakke
Publisher: WILEY
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Chapter 5, Problem 5.18P

R−410A enters the evaporator (the cold beat exchanger) in an air−conditioner unit at −20°C, x = 28 % and leaves at−20°C, x = 1 . The COP of the refrigerator is 1.5 and the mass−flow rate is 0.003 kg/s . Find the net work input to the cycle.

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