Boundary Shear Stress in a Meandering Channel

by Richard E. Brown, Texas Dep of Water Resources, Austin, TX, USA,
Edward R. Holley, Texas Dep of Water Resources, Austin, TX, USA,

Document Type: Proceeding Paper

Abstract: Longitudinal and transverse velocity, bed shear, and water surface elevation were studied in a fixed-bed, meandering, laboratory channel with naturally varying, non-prismatic cross sectional shapes and with a rough boundary. These data were analyzed to determine the distributions of velocity and boundary shear stress throughout the meanders. The analysis is continuing to compare the measured shear stresses with those predicted by the momentum equation and to characterize the strength of the secondary circulation through the meanders.

Subject Headings: Shear stress | Boundary shear | Meandering rivers and streams | Stress analysis | Velocity distribution | Fluid velocity | Stress distribution | Shear strength

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