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The interaction of two opposing plane turbulent wall jets

Published online by Cambridge University Press:  29 March 2006

R. J. Kind  and
K. Suthanthiran
R. J. Kind
Affiliation:
Division of Aerothermodynamics, Carleton University, Ottawa
K. Suthanthiran
Affiliation:
Division of Aerothermodynamics, Carleton University, Ottawa
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Abstract

An experimental study was made of the interaction produced by the collision, in still air, of two diametrically opposed plane turbulent wall jets. Distributions of time-average velocity, longitudinal turbulence and static pressure on the wall were measured. Simple universal relations giving the position of interaction and the maximum wall static pressure are deduced from the measurements and are explained in terms of the ‘frozen-flow’ concept. There is little or no loss of momentum due to mixing in the interaction process. The free jet that results from the interaction has the same velocity distribution as a conventionally generated two-dimensional free jet, but its rate of spread and turbulence level are about three times larger.

Type
Research Article
Information
Journal of Fluid Mechanics , Volume 58 , Issue 2 , 17 April 1973 , pp. 389 - 402
Copyright
© 1973 Cambridge University Press

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