Flow Characteristics of Sloping Channel Jumps

by Nallamuthu Rajaratnam, (M.ASCE), Prof.; Dept. of Civ. Engrg., Univ. of Alberta, Edmonton, AB, Canada,
Valupadas Murahari, Hydr. Engr.; Water Resour. Div., Alberta Dept. of Envir., Edmonton, AB, Canada,


Serial Information: Journal of the Hydraulics Division, 1974, Vol. 100, Issue 6, Pg. 731-740


Document Type: Journal Paper

Abstract: This paper presents an experimental study of the mean flow characteristics of hydraulic jumps formed in sloping rectangular channels with slopes of 2-25%. The supercritical Froude number was the range of 5 to approx 8. It was found that the mean velocity profiles could be analyzed using the theoretical model of plane turbulent wall jets. It was also found that the bed shear stresses are comparatively larger than in the corresponding level channel jumps.

Subject Headings: Slopes | Channel flow | Shear stress | Hydraulic jump | Froude number | Velocity profile | Turbulent flow | Walls

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