Mean and Turbulence Characteristics of a Class of Three-Dimensional Wall Jets—Part 2: Turbulence Characteristics

[+] Author and Article Information
G. Padmanabham

Department of Aeronautical Engineering, Madras Institute of Technology, Anna University, Madras 600 044, India

B. H. Lakshmana Gowda

Fluid Mechanics Laboratory, Department of Applied Mechanics, Indian Institute of Technology, Madras 600 036, India

J. Fluids Eng 113(4), 629-634 (Dec 01, 1991) (6 pages) doi:10.1115/1.2926526 History: Received April 25, 1991; Online May 23, 2008


The mean flow characteristics of three-dimensional, incompressible, isothermal turbulent wall jets generated from orifices having the shapes of various segments of a circle are presented in Part 1 of this paper. In this part, the turbulence characteristics are presented. Turbulence quantities measured include normal stresses and Reynolds shear stresses in the characteristic-decay and in the radial-decay regions of the wall jets investigated. These results are compared with those available for two-dimensional and three-dimensional wall jets. The presence of counter-gradient regions and the feature of “energy reveral” are discussed.

Copyright © 1991 by The American Society of Mechanical Engineers
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