Fundamentals of Heat and Mass Transfer
Fundamentals of Heat and Mass Transfer
7th Edition
ISBN: 9780470501979
Author: Frank P. Incropera, David P. DeWitt, Theodore L. Bergman, Adrienne S. Lavine
Publisher: Wiley, John & Sons, Incorporated
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Chapter 6, Problem 6.8P

For laminar free convection from a heated vertical surface, the local convection coefficient may be expressed as h x = C x 1 / 4 , where h x is the coefficient at a distance x from the leading edge of the surface and the quantity C, which depends on the fluid properties, is independent of x. Obtain an expression for the ratio h ¯ x / h x , where h ¯ x is the average coefficient between the leading edge ( x = 0 ) and the x-location. Sketch the variation of h x and h ¯ x with x.

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Chapter 6 Solutions

Fundamentals of Heat and Mass Transfer

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