A 25-mm-diameter, high-tension line has an electrical resistance of 10-4 n/m and is transmitting a current of

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A 25-mm-diameter, high-tension line has an electrical resistance of 10-4 n/m and is transmitting a current of 1000 A.

(a) If ambient air at 10°C and 5 m/s is in cross flow over the line, what is its surface temperature?

(b) If the line may be approximated as a solid copper rod, what is its centerline temperature?

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Fundamentals of Heat and Mass Transfer

ISBN: 978-0471457282

6th Edition

Authors: Incropera, Dewitt, Bergman, Lavine

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Question Posted: Sep 30, 2010 02:27 AM

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A 25-mm-diameter, high-tension line has an electrical resistance of 10-4 n/m and is transmitting a current of

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KNOWN Diameter electrical resistance and current for a high tension line Velocity and temperature of ...View the full answer

Fundamentals of Heat and Mass Transfer

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