GRADING EFFECTS IN CONCENTRATION MEASUREMENTS

J. van de Graaff, J.A. Roelvink

Abstract


In analysing measured sediment concentration distributions the effect of the non-uniformity of the bottom material is frequently not taken fully into account. Examples of calculations are given to clarify the grading effect on the parameters that determine the concentration distribution <e.g. diffusion coefficient distribution). Results of a preliminary test series indicate that the particle size affects the diffusion coefficient involved. Ce(sediment) = (3 e (fluid); (3 size dependent].

Keywords


grading effects; concentration measurements

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