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RESEARCH PAPERS

Initial Region of Subsonic Coaxial Jets of High Mean-Velocity Ratio

[+] Author and Article Information
N. W. M. Ko, H. Au

Department of Mechanical Engineering, University of Hong Kong, Hong Kong

J. Fluids Eng 103(2), 335-338 (Jun 01, 1981) (4 pages) doi:10.1115/1.3241742 History: Received June 05, 1980; Online October 26, 2009

Abstract

This paper describes an experimental investigation of the initial region of subsonic coaxial jets of three different mean-velocity ratios λ higher than unity. Detailed measurements have found similarity of the mean velocity and turbulence intensity profiles within the three zones: initial merging, intermediate, and fully merged zone. Similarity with single jet results has been found. In the inner mixing region, however, only the similarity of the mean velocity profiles has been found.

Copyright © 1981 by ASME
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