Refrigerant-22 absorbs heat from a cooled space at 50F as it flows through an evaporator of a
Question:
(a) The rate of cooling provided, in Btu/h,
(b) The rate of exergy destruction in the evaporator, and
(c) The second-law efficiency of the evaporator. Take T0 = 77°F. The properties of R-22 at the inlet and exit of the evaporator are: h1 = 107.5 Btu/lbm, s1 = 0.2851 Btu/lbm·R, h2 = 172.1 Btu/lbm, s2 = 0.4225 Btu/lbm·R.
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Related Book For
Thermodynamics An Engineering Approach
ISBN: 978-0073398174
8th edition
Authors: Yunus A. Cengel, Michael A. Boles
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