An air conditioner condenser in an automobile consists of 2 m 2 of tubular heat exchange area
Question:
An air conditioner condenser in an automobile consists of 2 m2 of tubular heat exchange area whose surface temperature is 30°C. Saturated refrigerant-134a vapor at 50°C (hfg = 152 kJ/kg) condenses on these tubes. What heat transfer coefficent must exist between the tube surface and condensing vapor to produce 1.5 kg/min of condensate?
(a) 95 W/m2 · K
(b) 640 W/m2 · K
(c) 727 W/m2 · K
(d) 799 W/m2 · K
(e) 960 W/m2 · K
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To calculate the heat transfer coefficient needed to produce 15 kgmin of condensate on a 2 m2 surfac...View the full answer
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Related Book For 
Heat And Mass Transfer Fundamentals And Applications
ISBN: 9780073398181
5th Edition
Authors: Yunus Cengel, Afshin Ghajar
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