Confined Mixing of Multiple Jets

[+] Author and Article Information
G. Fabris, A. A. Fejer

Mechanics, Mechanical, and Aerospace Engineering Department, Illinois Institute of Technology, Chicago, Ill.

J. Fluids Eng 96(2), 92-96 (Jun 01, 1974) (5 pages) doi:10.1115/1.3447136 History: Received September 14, 1973; Online October 12, 2010


This study deals with the transfer of kinetic energy from an array of primary jets to a surrounding secondary stream. It explores the basic features of such flows and examines to what extent the results of single jet research may be applied to multiple jet configurations. It presents an analytical technique for estimating the performance of multiple jets and examines in a special multiple-jet test facility the validity of the assumptions used in the analysis. In addition, performance data are presented for a multiple array of 31 primary jets of 1/2 in. ID in a 12 in. ID mixing chamber covering a range of jet velocities up to 186 ft/sec and primary to secondary flow velocity ratios from 2.8:1 to 5:1.

Copyright © 1974 by ASME
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