Speed of Inertial Bed Load Disturbances

by Komarath Padmavally, Research Officer (Mathematics); Central Water and Power Research Station, Poona, India,

Serial Information: Journal of the Hydraulics Division, 1977, Vol. 103, Issue 7, Pg. 777-795

Document Type: Journal Paper


The flow of water on a movable bed is studied by the method of characteristics. The equations of motion and continuity for water and bed load are considered separately. A relation between the velocity of propagation of a slight disturbance in the rate of bed load transport and the average bed load velocity is obtained. Also the possibility of the existence of more than one velocity of propagation for bed forms or disturbances in the static bed level, is indicated. A method of approximate numerical solution of the flow equations is given.

Subject Headings: Bed loads | Fluid velocity | Inertia | Numerical methods | Equations of motion | Water flow | Loading rates | Transport rates

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