Water (c p = 4180 J/kg K) enters a 12-cm-diameter and 8.5-m-long tube at 75C at
Question:
Water (cp = 4180 J/kg · K) enters a 12-cm-diameter and 8.5-m-long tube at 75°C at a rate of 0.35 kg/s, and is cooled by a refrigerant evaporating outside at 210°C. If the average heat transfer coefficient on the inner surface is 500 W/m2 · K, the exit temperature of water is
(a) 18.48C
(b) 25.08C
(c) 33.88C
(d) 46.58C
(e) 60.28C
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To find the exit temperature of the water we can use the principle of energy conservation for this heat exchanger system The rate of heat transfer Q f...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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