The condenser of a room air conditioner is designed to reject heat at a rate of 15,000

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The condenser of a room air conditioner is designed to reject heat at a rate of 15,000 kJ/h from refrigerant-134a as the refrigerant is condensed at a temperature of 40°C. Air (cp= 1005 J/kg·K) flows across the finned condenser coils, entering at 25°C and leaving at 35°C. If the overall heat transfer coefficient based on the refrigerant side is 150 W/ m2·K, determine the heat transfer area on the refrigerant side.

R-134a 40°C 35°C Air 25°C 40°C

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Fundamentals of Thermal-Fluid Sciences

ISBN: 978-0078027680

5th edition

Authors: Yunus A. Cengel, Robert H. Turner, John M. Cimbala

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