The Flow Region Near the Nozzle in Double Concentric Jets

[+] Author and Article Information
N. A. Chigier, J. M. Beér

International Flame Research Foundation, Ijmuiden, Holland

J. Basic Eng 86(4), 797-804 (Dec 01, 1964) (8 pages) doi:10.1115/1.3655957 History: Received February 19, 1964; Online November 03, 2011


The type of double concentric jets considered in this paper consists of a central round air jet surrounded by an annular air jet issuing into stagnant air surroundings. Detailed measurements of the mean velocity and static-pressure distributions have been made in the region close to the exit of the nozzles and the effect of varying the ratio of the velocities in the central and annular jets has been examined.

Copyright © 1964 by ASME
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