TECHNICAL NOTES
Jul 1, 1996
Submerged Flow Regimes of Rectangular Sharp-Crested Weirs
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VIEW THE REPLYAuthors: S. Wu and N. Rajaratnam, Member, ASCE Author Affiliations
Publication: Journal of Hydraulic Engineering
Volume 122, Issue 7
Abstract
This technical note presents the results of an experimental study on submerged flow over full-width sharp-crested rectangular weirs. Submerged flow was divided into impinging jet and surface flow regimes. A diagram has been developed to predict the occurrence of these regimes. The boundaries of these regimes depend upon the direction of change of the tailwater. A more definitive relation has been developed for the flow-reduction factor for the prediction of discharge for submerged flow.
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References
1.
Lakshmana Rao, N. S. (1975). “Theory of weirs.”Advances in hydroscience, V. T. Chow, ed., Vol. 10, Academic Press, New York, N.Y., 309–406.
2.
Rajaratnam, N., and Muralidhar, D.(1969). “Flow below deeply submerged rectangular weirs.”J. Hydr. Res., 7(3), 355–374.
3.
Skogerboe, G. V., Hyatt, M. L., and Austin, L. H. (1967). Design and calibration of submerged open channel flow measurement structures. Part 4—weirs, Utah Water Research Laboratory, Logan, Utah.
Information & Authors
Information
Published In
Journal of Hydraulic Engineering
Volume 122 • Issue 7 • July 1996
Pages: 412 - 414
Copyright
Copyright © 1996 American Society of Civil Engineers.
History
Published online: Jul 1, 1996
Published in print: Jul 1996
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Authors
Affiliations
S. Wu
Res. Assoc., Dept. of Civ. Engrg., Univ. of Alberta, Edmonton, Alberta, Canada T6G 2G7.
N. Rajaratnam, Member, ASCE
Prof., Dept. of Civ. Engrg., Univ. of Alberta, Edmonton, Alberta, Canada T6G 2G7.
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