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International Heat Transfer Conference 7

ISSN: 2377-424X (online)
ISSN: 2377-4371 (flashdrive)

A TURBULENT BURST MODEL FOR BOUNDARY LAYER FLOWS WITH PRESSURE GRADIENT

L. C. Thomas
University of Tennessee, Knoxville, Tennessee, USA; University of Petroleum and Minerals Dhahran 31261, Saudi Arabia

D. J. Benton
Mechanical and Aerospace Engineering Department University of Tennessee Knoxville, Tennessee USA

DOI: 10.1615/IHTC7.1900
pages 313-318

Abstract

The object of this paper is to develop a surface renewal model of the turbulent burst phenomenon for momentum and energy transfer in the wall region for turbulent boundary layer flows with pressure gradient. In addition to obtaining inner laws for the distributions in velocity and temperature, predictions are obtained for the effect of pressure gradient on the mean burst frequency and on the turbulent Prandtl number within the wall region for slight favorable and mild adverse pressure gradients.

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