Some Correlations for Resistances to Heat and Momentum Transfer in the Viscous Sublayer at Rough Walls

[+] Author and Article Information
N. S. Sood

University of Tennessee Space Institute, Tullahoma, Tenn.

V. K. Jonsson

Department of Mechanical Engineering, Imperial College of Science and Technology, London, England

J. Heat Transfer 91(4), 488-494 (Nov 01, 1969) (7 pages) doi:10.1115/1.3580232 History: Received June 03, 1968; Revised August 28, 1968; Online August 25, 2011


Functions for the resistance to heat and momentum transfer in the region near the wall have been defined for flows with various geometries, and correlations from available literature on rough wall friction and heat transfer have been made for these functions. The functions may then be used in the expressions for velocity and temperature profiles to solve the turbulent boundary-layer equations for flows over rough surfaces. Roughnesses such as those formed by machined grooves, piston-rings, wires, and three-dimensional elements have been included in the correlations.

Copyright © 1969 by ASME
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