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A hot surface at 80C in air at 20C is to be cooled by attaching 10-cm-long and 1-cm-diameter cylindrical fins.

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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  answer-question
Heat And Mass Transfer Fundamentals And Applications

Heat And Mass Transfer Fundamentals And Applications

ISBN: 9780073398181

5th Edition

Authors: Yunus Cengel, Afshin Ghajar

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Question Details
Chapter # 3- Steady Heat Conduction
Section: Problems
Problem: 210
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Question Posted: September 15, 2023 09:20:39
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