An ammonia-water absorption refrigeration cycle is used to keep a space at 25oF when the ambient temperature
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(a) The rate of cooling provided by the system, in Btu/h, the COP.
(b) The second-law efficiency of the system. The enthalpies of ammonia at various states of the system are: condenser inlet h2 = 665.7 Btu/lbm, evaporator inlet h4 = 190.9 Btu/lbm, evaporator exit h1 = 619.2 Btu/lbm. Also, take the specific heat of geothermal water to be 1.0 Btu/lbm·oF.
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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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