Entrainment by Turbulent Jets Issuing From Sharp-Edged Inlet Round Nozzles

[+] Author and Article Information
T. A. Trabold, E. B. Esen, N. T. Obot

Fluid Mechanics, Heat and Mass Transfer Laboratory, Department of Chemical Engineering, Clarkson University, Potsdam, NY 13676

J. Fluids Eng 109(3), 248-254 (Sep 01, 1987) (7 pages) doi:10.1115/1.3242655 History: Received August 15, 1985; Online October 26, 2009


Experiments were carried out to determine entrainment rates by turbulent air jets generated with square-edged inlet round nozzles. A parametric study was made which included the effects of Reynolds number, nozzle length, partial confinement and geometry of the jet plenum chamber. Measurements were made for the region extending from the nozzle exit to 24 jet hole diameters downstream. There is a large difference in the rate of fluid entrainment between jets generated with relatively short nozzles and those discharged through long tubes.

Copyright © 1987 by ASME
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