Physical Modelling of Self Forming Alluvial Channels

by M. Selim Yalin, Queen's Univ, Kingston, Canada,
Ana Maria Ferreira da Silva, Queen's Univ, Kingston, Canada,

Document Type: Proceeding Paper

Part of: Hydraulic Engineering


A method is presented for the determination of a practicable physical model of self-forming channels in cohesionless alluvium. Both sand bed and gravel bed regime channels are considered. It is assumed that the movable bed model is Froudian and distorted. The role of the friction factor is considered by means of the generalised Engelund-Yalin equation. Flow rate figurates as an independent variable; transport rate as an outcome of the process.

Subject Headings: Alluvial channels | Hydraulic models | Physical models | Fluid flow | Sand (hydraulic) | Sandy soils | Gravels | River and stream beds

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