Research Article
Nov 1980
Erosion by Circular Wall Jets in Cross Flow
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VIEW THE REPLYPublication: Journal of the Hydraulics Division
Volume 106, Issue 11
Abstract
This paper presents the results of an exploratory study which was conducted to understand the erosion process caused by circular wall jets of air and water issuing normally to a free-stream on a loose bed of sand or polystyrene, and also to develop some useful relations for use in the design of the pier-type diffusers in rivers. If ϵ* is the ratio of the maximum depth of erosion in the asymptotic state caused by the circular wall jet in cross flow to that by the same jet without any cross flow, it has been found that ϵ* is mainly a function of the densimetric Froude number F1 based on the velocity of the cross flow. The profile of the scour hole along its axis as well as its cross-sectional shape were found to be similar.
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Published In
Journal of the Hydraulics Division
Volume 106 • Issue 11 • November 1980
Pages: 1867 - 1883
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© 1980 American Society of Civil Engineers.
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Published in print: Nov 1980
Published online: Feb 3, 2021
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Nallamuthu Rajaratnam, M.ASCE
Prof., Dept. of Civ. Engrg., Univ. of Alberta, Edmonton, Alberta, Canada
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