A 1-cm-diameter, 30-cm-long fin made of aluminum (k = 237 W/m K) is attached to a
Question:
A 1-cm-diameter, 30-cm-long fin made of aluminum (k = 237 W/m · K) is attached to a surface at 80°C. The surface is exposed to ambient air at 22°C with a heat transfer coefficient of 11 W/m2 · K. If the fin can be assumed to be very long, the rate of heat transfer from the fin is
(a) 2.2 W
(b) 3 W
(c) 3.7 W
(d) 4 W
(e) 4.7 W
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Step by Step Answer:
To calculate the rate of heat transfer from the fin you can use the formula for 1D steadystate heat ...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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