Introduction to Heat Transfer
6th Edition
ISBN: 9780470501962
Author: Frank P. Incropera, David P. DeWitt, Theodore L. Bergman, Adrienne S. Lavine
Publisher: Wiley, John & Sons, Incorporated
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Chapter 1, Problem 1.61P
(a)
To determine
The current carrying capacity of the bar and compare the significance of heat transfer by free convection and by radiation exchange.
(b)
To determine
The plot for bar temperature versus current and bar temperature versus percentage of convection heat transfer.
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Example: current of 200 A is passed through a stainless-steel wire [k = 19 W/m · ◦C] 3 mm in diameter. he resistivity of the steel may be taken as 70 μ · cm, and the length of the wire is 1 m. The ire is submerged in a liquid at 110 ◦C and experiences a convection heat-transfer coefficient of k W/m2 · ◦C. Calculate the center temperature of the wire.
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Chapter 1 Solutions
Introduction to Heat Transfer
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