Confined Jet Mixing for Nonseparating Conditions

[+] Author and Article Information
E. Razinsky

General Motors Research Laboratories, Warren, Mich.

J. A. Brighton

The Pennsylvania State University, University Park, Pa.

J. Basic Eng 93(3), 333-347 (Sep 01, 1971) (15 pages) doi:10.1115/1.3425246 History: Received April 01, 1970; Online October 27, 2010


The mixing of an air jet with a lower-velocity air stream is described. The mixing takes place in a constant diameter pipe, and the flow is investigated from the inlet where the jet and secondary velocities are uniform (but different) to a location downstream where the flow is fully developed. Measurements are made of (1) the wall static pressure, (2) the mean velocity, (3) the turbulence velocities and Reynolds stress throughout the flow field for different velocity ratios and diameter ratios. This work differs from previous investigations in that a wider range of flow conditions is considered, i.e., different diameter and velocity ratios in addition to the flow in the latter stages of mixing. Also, the turbulence velocities and Reynolds stress as determined throughout the flow are described.

Copyright © 1971 by ASME
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