SCALE LAWS FOR BED FORMS IN LABORATORY WAVE MODELS

G.R. Mogridge

Abstract


An experimental study of the variables governing the development of bed forms under wave action has been conducted. A wide range of conditions was covered by the use of a wave flume and an oscillating water tunnel. Scale laws for modelling bed forms are developed using the results of these experiments. It is recommended that the model sediment used should be the same density as in the prototype and its size should be scaled geometrically. If this is not practical, it is shown how the scale laws can be used to minimise the distortion of the bed forms produced in the model.

Keywords


lab model; bed form; scale law; wave model

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