Evaluation of Turbulence Models for Predicting Buoyant Flows

[+] Author and Article Information
A. Shabbir, D. B. Taulbee

Department of Mechanical and Aerospace Engineering, University at Buffalo, SUNY, Amherst, NY 14260

J. Heat Transfer 112(4), 945-951 (Nov 01, 1990) (7 pages) doi:10.1115/1.2910505 History: Received March 03, 1988; Revised November 10, 1989; Online May 23, 2008


Experimental data for the buoyant axisymmetric plume are used to validate certain closure hypotheses employed in turbulence model equations for calculating buoyant flows. Closure formulations for the turbulent transport of momentum, thermal energy, kinetic energy, and squared temperature used in the k–ε and algebraic stress models are investigated. Experimental data for the mean velocity, mean temperature, and kinetic energy are used in the closure formulation to obtain Reynolds stresses, heat fluxes, etc., which are then compared with their measured values.

Copyright © 1990 by The American Society of Mechanical Engineers
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