Air (c p = 1007 J/kg K) enters a 17-cm-diameter and 4-m-long tube at 65C at
Question:
Air (cp = 1007 J/kg · K) enters a 17-cm-diameter and 4-m-long tube at 65°C at a rate of 0.08 kg/s and leaves at 15°C. The tube is observed to be nearly isothermal at 5°C. The average convection heat transfer coefficient is
(a) 24.5 W/m2 · K
(b) 46.2 W/m2 · K
(c) 53.9 W/m2 · K
(d) 67.6 W/m2 · K
(e) 90.7 W/m2 · K
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To find the average convection heat transfer coefficient h we can use the concept of thermal resistance In this case we have convection heat transfer ...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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