Abstract
The equipment for measuring rheological characteristics of water-fine sediment mixture is studied. The relations among wall shear stress, average velocity, velocity gradient and kinematic viscosity are derived for pipe flows assuming Bingham fluid. The equipment which is composed of a tank and several small pipes is proposed based on these theoretical relations. The diameters and the lengths of these small pipes are determined in order to obtain data on the relation between shear stress and strain rate in laminar flow conditions. Measured data on yield stress and kinematic viscosity for water and kaolin mixture suggest that the measurements are performed properly, which means we are able to measure rheological parameters of water-fine sediment mixtures fully, simply and economically.
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Schedule a callMore From: Journal of Japan Society of Civil Engineers, Ser. B1 (Hydraulic Engineering)
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