A vapor-compression refrigeration system absorbs heat from a space at 0oC at a rate of 24,000 Btu/h

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A vapor-compression refrigeration system absorbs heat from a space at 0oC at a rate of 24,000 Btu/h and rejects heat to water in the condenser. The water experiences a temperature rise of 128C in the condenser. The COP of the system is estimated to be 2.05. Determine
(a) The power input to the system, in kW.
(b) The mass flow rate of water through the condenser.
(c) The second-law efficiency and the exergy destruction for the refrigerator. Take T0 = 20oC and cp, water =4.18 kJ/kg.oC.
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Thermodynamics An Engineering Approach

ISBN: 978-0073398174

8th edition

Authors: Yunus A. Cengel, Michael A. Boles

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