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RESEARCH PAPERS: Additional Technical Papers

Signal Transit Velocities in a Turbulent Plane Jet

[+] Author and Article Information
A. K. Stiffler

Department of Mechanical Engineering, Mississippi State University, Mississippi State, Miss.

J. Fluids Eng 98(3), 443-446 (Sep 01, 1976) (4 pages) doi:10.1115/1.3448357 History: Received August 15, 1975; Online October 12, 2010

Abstract

A turbulent jet is perturbed transverse to the flow direction by periodic pressure gradients near the nozzle exit. Transit velocities are defined in terms of the measured signal time delay for stations 8, 12, 16 nozzle widths downstream of the nozzle exit. Excitation frequencies to 800 cps are considered. Transit velocities are found to be much less than the jet centerline velocity. The results are related to the convection velocity of turbulence.

Copyright © 1976 by ASME
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