FURTHER RESULTS ON THE DEPOSITION OF COHESIVE SEDIMENTS

Emmanuel Partheniades, Ralph H. Cross, Alfredo Ayora

Abstract


Experimental investigations on the depositional behavior of suspensions of fine cohesive sediments in turbulent flows have been conducted in a special laboratory apparatus. This apparatus consists essentially of an annular channel containing the water-sediment mixture, and an annular ring positioned within the channel and in contact with the water surface. A turbulent shear flow is generated by a simultaneous rotation of the channel and ring in opposite directions at the proper relative speeds to minimize secondary currents in the bottom of the channel, so that the sediment deposits uniformly.

Keywords


cohesive sediments; sediment depostion

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