Jakob (1949) suggests the following correlation be used for square tubes in a liquid cross-flow situation: Water
Question:
Jakob (1949) suggests the following correlation be used for square tubes in a liquid cross-flow situation:
Water (k = 0.61 W/m · K, Pr = 6) at 50°C flows across a 1-cm square tube with a Reynolds number of 10,000 and surface temperature of 75°C. If the tube is 2 m long, the rate of heat transfer between the tube and water is
(a) 6.0 kW
(b) 8.2 kW
(c) 11.3 kW
(d) 15.7 kW
(e) 18.1 kW
Transcribed Image Text:
Nu = 0.102 Re0.675 Pr1/3
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The correct answer is c 113 kW To solve this problem we can use the following steps Calculate the N...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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