Rectangular Lateral Weirs in Circular Open Channels
Publication: Journal of Hydraulic Engineering
Volume 121, Issue 8
Abstract
A theoretical expression for the outflow through a rectangular lateral weir located in a circular open channel is derived using the results of an existing theory of lateral efflux through a two-dimensional conduit outlet. The development of the present model is similar to a procedure that earlier yielded the theoretical expression for the outflow through a rectangular lateral weir located in a rectangular open channel, on the basis of the free streamline theory. In the present case, the theoretical weir discharge coefficient is expressed as a function of parameters relating the geometry of the rectangular lateral weir and the circular open channel and a velocity parameter, which is a function of the dimensionless flow depth, the dimensionless weir sill height, and the Froude number of the approach flow. Experimental results are presented to verify the proposed model.
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Published In
Journal of Hydraulic Engineering
Volume 121 • Issue 8 • August 1995
Pages: 608 - 612
Copyright
Copyright © 1995 American Society of Civil Engineers.
History
Published online: Aug 1, 1995
Published in print: Aug 1995
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