Hydraulic Design of Flow Distribution Channels

by Junn-Ling Chao, (M.ASCE), Vice Pres.; James M. Montgomery, Consulting Engineers, Inc., Pasadena, Calif.,
R. Rhodes Trussell, Vice Pres. and Dir. of Environmental Sci.; James M. Montgomery, Consulting Engineers, Inc., Pasadena, Calif.,


Serial Information: Journal of the Environmental Engineering Division, 1980, Vol. 106, Issue 2, Pg. 321-334


Document Type: Journal Paper

Discussion: Thackwell Henry L. (See full record)
Discussion: Graber S. David (See full record)
Discussion: Lin Henry H.C. (See full record)
Discussion: Swanson Charles L. (See full record)
Closure: (See full record)

Abstract: A method to analyze flow distribution over side weirs in a flow distribution channel has been presented. It is found that the discharge coefficient for individual side weirs is not constant but varies with local channel Froude number. A step-by-step procedure is developed to calculate the flow distribution and an illustrative example is provided. It is suggested that the two most viable alternatives for providing a uniform flow distribution over side weirs are the use of a very wide feed channel with weirs of uniform design, or by employing a tapered channel. Mixing may be required in the former to prevent sedimentation.

Subject Headings: Flow distribution | Channel flow | Weirs | Hydraulic design | Water discharge | Froude number | Uniform flow | Soil mixing

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