Research Article
Oct 1981
Model-Prototype Comparision of Free Surface Vortices
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VIEW THE REPLYPublication: Journal of the Hydraulics Division
Volume 107, Issue 10
Abstract
A Comparison between model and prototype observations of vortex intensity is used to investigate potential scale effects of modeling free surface vortices. Due to the inherent difficulty with field observations, a reasonably large number of such comparisons are needed prior to reaching conclusions. To this end, a survey of available model-prototype data is made and presented in summary form for a variety of intake types. Based on this comparison summary, and referring to previously published research on this subject, some scale effects may exist when modeling air core vortices, and some increase in model flow may compensate for such effects. Little or no scale effect is evident for weak vortices or dimples. Recommendations are made for conducting model tests.
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Published In
Journal of the Hydraulics Division
Volume 107 • Issue 10 • October 1981
Pages: 1243 - 1259
Copyright
© 1981 American Society of Civil Engineers.
History
Published in print: Oct 1981
Published online: Feb 3, 2021
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Authors
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George E. Hecker, M.ASCE
Dir., Alden Research Lab., and Assoc. Prof., Civ. Engrg., Worcester Polytechnic Inst., Holden, Mass.
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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.
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