Research Article
Sep 1975
Prediction of Flow Development on Spillways
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VIEW THE REPLYAuthors: Robert J. Keller, AM.ASCE, and Ashok K. RastogiAuthor Affiliations
Publication: Journal of the Hydraulics Division
Volume 101, Issue 9
Abstract
A mathematical model for the flow development upstream of the region of air entrainment on a spillway is presented. The model is based on numerical solutions of the time-averaged two-dimensional form of the Navier-Stokes equations. Predictions from the model of mean velocity distributions, boundary layer growth, and water surface profiles are compared with experimental data, both model and prototype. Excellent agreement is obtained. Furthermore, it is shown conclusively that self-aeration in a spillway flow commences at the point where the bed induced turbulence reaches the free surface.
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Published In
Journal of the Hydraulics Division
Volume 101 • Issue 9 • September 1975
Pages: 1171 - 1184
Copyright
© 1975 American Society of Civil Engineers.
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Published in print: Sep 1975
Published online: Feb 3, 2021
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Robert J. Keller, AM.ASCE
Engr., Ministry of Works Central Labs., Lower Hutt, New Zealand; formerly, Research Engr., Inst. for Hydromechanics, Univ. of Karlsruhe, Karlsruhe, West Germany
Ashok K. Rastogi
Research Engr., Inst. for Hydromechanics, Univ. of Karlsruhe, Karlsruhe, West Germany
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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.