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Resistance Consisting of Both Viscous Force and Dispersive Force

by Zhaohui Wan, Inst of Water Conservancy and, Hydroelectric Power Research (IWHR), Beijing, China,
Jingsheng Hua, Inst of Water Conservancy and, Hydroelectric Power Research (IWHR), Beijing, China,



Document Type: Proceeding Paper

Part of: Hydraulics/Hydrology of Arid Lands (H?AL)

Abstract:

A set of specially designed experiments have been carried for studying the resistance of a flow consisting of water and both fine and coarse particles. The viscous force caused by fine clay particles and the reduced dispersive force are linearly addible. The dispersive force caused by collision of coarse particles reduces to a great degree due to the cushioning effect of the flocculent structures formed by fine particles. The preliminary result is presented in this paper and further study is needed.

Subject Headings: Flow resistance | Fluid flow | Load and resistance factor design | Particles | Drag (fluid dynamics) | Water flow | Viscosity

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