Jet Interaction in a Still Ambient Fluid
Publication: Journal of Hydraulic Engineering
Volume 129, Issue 5
Abstract
Interaction between a jet and its neighbors in a still ambient fluid is dealt with. A model for the merging of an infinite line of equally spaced identical jets in a still ambient fluid is developed. The velocity and tracer distributions in the model are determined based on the summation of momentum fluxes and tracer fluxes, respectively. Laser-induced fluorescence experiments are conducted for four different port spacings. Analysis of these and past experimental results show that individual jets spread asymmetrically during the merging process. The current model satisfactorily predicts the spreading rate changes in the free entrainment plane and the jet merging plane, as well as the tracer distributions during the merging process. Flapping motions were observed during jet merging, but these motions were not sufficiently persistent to significantly change the concentration fluctuations profiles.
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Information
Published In
Journal of Hydraulic Engineering
Volume 129 • Issue 5 • May 2003
Pages: 349 - 357
Copyright
Copyright © 2003 American Society of Civil Engineers.
History
Received: May 14, 2001
Accepted: Dec 16, 2002
Published online: Apr 15, 2003
Published in print: May 2003
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