Flow Characteristics of Chimney Weir under Submergence
Publication: Journal of Irrigation and Drainage Engineering
Volume 124, Issue 2
Abstract
A theoretical submerged flow equation for chimney weir is developed. Based on experiments conducted with five different chimney weirs, it is found that the theoretical submerged flow equation, along with a parabolic equation relating the coefficient of discharge and the ratio of upstream head to crest height, predicts the discharge accurately. The performance of the developed equation is compared with the previously developed submergence formulas for sharp-crested weirs, and it is seen that the developed equation performs better within the experimental range. Further, for simplicity, an empirical equation is also proposed, which is found to give reasonable prediction of submerged discharge.
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Published In
Journal of Irrigation and Drainage Engineering
Volume 124 • Issue 2 • March 1998
Pages: 96 - 101
Copyright
Copyright © 1998 American Society of Civil Engineers.
History
Published online: Mar 1, 1998
Published in print: Mar 1998
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