Saltation in Water Dynamics

by Peter J. Murphy, (A.M.ASCE), Asst. Prof.; Dept. of Civ. Engrg., Univ. of Massachusetts, Amherst, Mass. 01003,
Hamid Hooshiari, Grad. Student; Dept. of Civ. Engrg., Univ. of Massachusetts, Amherst, Mass.,


Serial Information: Journal of the Hydraulics Division, 1982, Vol. 108, Issue 11, Pg. 1251-1267


Document Type: Journal Paper

Discussion: van Rijn Leo C. (See full record)
Closure: (See full record)

Abstract: An evaluation of the fluid forces exerted on a bed load particle is presented. The study used strobe photography to measure the kinematics of a sphere moving via saltation along the bed of an open channel flow. The experiment showed that the forces of bouyancy, added mass, and drag could predict the particle motion. The added mass force included an unusual component due to the mean shear of the open channel flow.

Subject Headings: Open channel flow | Bed loads | Particles | Flow measurement | Salts | Fluidized bed technology | Photography | Kinematics

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