Experimental Investigation of Form of Bed-Roughness

by Sat Dev Khanna, (M.ASCE), Assoc. Prof.; Dept. of Civ. Engrg., Southeastern Massachusetts Univ., N. Dartmouth, MA,

Serial Information: Journal of the Hydraulics Division, 1970, Vol. 96, Issue 10, Pg. 2029-2040

Document Type: Journal Paper

Discussion: Prasuhn Alan L. (See full record)

Abstract: Experimental observations regarding mean velocity distribution, angle of flow, static pressure distribution and longitudinal turbulence intensity are all made along a typical wooden wave in the domain of ripples and dunes of river flow. The wave was produced in a low-turbulence wind tunnel and the measurements were made by hot-wire anemometry in an air medium. From these observations skin friction coefficient, form drag, and other boundary layer parameters have been evaluated to help analyze the process of sediment transport.

Subject Headings: Flow distribution | Velocity distribution | Wave velocity | Pressurized flow | River flow | Turbulent flow | Pressure distribution | Boundary layers |

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