Research Article
Jan 1972
Surface Jet Model for Heated Discharges
Publication: Journal of the Hydraulics Division
Volume 98, Issue 1
Abstract
A system of equations is developed which, when solved numerically, predicts the jet trajectory, width, velocity, and temperature decrease for the case of a two-dimensional surface jet. The results of field and laboratory equipment indicate that entrainment is reduced as the discharge angle is reduced from 90° to 60° and 45°; thus, the drag coefficient decreases as the velocity ratio is increased. The results of five surveys indicate that the entrainment coefficient was reasonably constant for three surveys at one field site even when the velocity ratio was changed. The results also indicate that entrainment is a function of the ratio of the ambient width to the discharge width, which was different at each of the field sites studied. The observed field values of the drag coefficient appear to be a function of the velocity ratio and agreed well with the values observed in the laboratory.
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Published In
Journal of the Hydraulics Division
Volume 98 • Issue 1 • January 1972
Pages: 181 - 199
Copyright
© 1972 American Society of Civil Engineers.
History
Published in print: Jan 1972
Published online: Feb 3, 2021
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Authors
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Louis H. Motz, AM.ASCE
Hydrologist, U.S. Geological Survey, Tampa, Fla.; formerly, Res. Asst., Vanderbilt Univ., Nashville, Tenn.
Barry A. Benedict, AM.ASCE
Asst. Prof. of Hydraulic and Water Resources Engrg., Dept. of Envir. and Water Resources Engrg., Vanderbilt Univ., Nashville, Tenn.
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ASCE Library Cards let you download journal articles, proceedings papers, and available book chapters across the entire ASCE Library platform. ASCE Library Cards remain active for 24 months or until all downloads are used. Note: This content will be debited as one download at time of checkout.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.