Use the results of Problem 19.22 along with those of Chapter 12 to determine , C fx

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Use the results of Problem 19.22 along with those of Chapter 12 to determine δ, Cfx, δ1, and hx at a distance of 40 cm from the leading edge of a flat plane. Air with a free-stream velocity of 5 m/s and T = 300 K flows parallel to the plate surface. The first 20 cm of the plate is unheated; the surface temperature is maintained at 400 K beyond that point.


Data From Problem 19.22

Using the appropriate integral formulas for flow parallel to a flat surface with a constant free-stream velocity, develop expressions for the local Nusselt number in terms of Rex and Pr for velocity and temperature profiles of the form

v = a + by, T - Ts = α + βy

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Fundamentals Of Momentum Heat And Mass Transfer

ISBN: 9781118947463

6th Edition

Authors: James Welty, Gregory L. Rorrer, David G. Foster

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