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RESEARCH PAPERS

A Wall Function for the Temperature Variance in Turbulent Flow Adjacent to a Diabatic Wall

[+] Author and Article Information
Y. L. Sinai

R&D Technology Department, National Nuclear Corporation Limited, Risley, Warrington, Cheshire WA3 6BZ, United Kingdom

J. Heat Transfer 109(4), 861-865 (Nov 01, 1987) (5 pages) doi:10.1115/1.3248195 History: Received July 08, 1986; Online October 20, 2009

Abstract

By assuming simple initial conditions for a surface-renewal calculation of thermal coupling between a thick solid and a well-mixed, low-Prandtl-number fluid, it has been possible to approximate the temperature variance near the wall in terms of a straightforward quadrature. Comparisons have been made with several experiments. The results are aimed at numerical solutions of the turbulent variance transport equation, which has thus far been solved with ad-hoc boundary conditions applied at solid walls.

Copyright © 1987 by ASME
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