Momentum Transfer in Thermally Asymmetric Turbulent Jets

[+] Author and Article Information
G. Hetsroni

Westinghouse Atomic Power Division, Pittsburgh, Pa.

C. W. Hall

Department of Agricultural Engineering, Michigan State University, East Lansing, Mich.

A. M. Dhanak

Department of Mechanical Engineering, Michigan State University, East Lansing, Mich.

J. Heat Transfer 87(4), 429-435 (Nov 01, 1965) (7 pages) doi:10.1115/1.3689133 History: Received October 08, 1964


A study is presented of a two-dimensional turbulent air jet. The jet was subjected to either symmetrical or asymmetrical ambient temperatures. Theoretical analysis of a symmetrical turbulent jet, based on Reichardt’s theory, led to solutions for the stream function, shear distribution, and apparent eddy viscosity. A thermally asymmetric jet was studied at relatively low air velocities and small temperature differences. An equation was proposed for the temperature profile. Coefficients in the momentum transfer and energy transfer equations were determined experimentally and found to agree with predictions based on the symmetric jet distribution.

Copyright © 1965 by ASME
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