A hot surface at 80C in air at 20C is to be cooled by attaching 10-cm-long and
Question:
A hot surface at 80°C in air at 20°C is to be cooled by attaching 10-cm-long and 1-cm-diameter cylindrical fins. The combined heat transfer coefficient is 30 W/m2·K, and heat transfer from the fin tip is negligible. If the fin efficiency is 0.75, the rate of heat loss from 100 fins is
(a) 325 W
(b) 707 W
(c) 566 W
(d) 424 W
(e) 754 W
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To calculate the rate of heat loss from 100 fins you can use the formula for heat transfer through a ...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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