EXPERIMENTAL STUDY OF IMMERSED PLATES USED AS BREAKWATERS

Alain Drouin, Yvon Ouellet

Abstract


Under certain wave conditions, an immersed plate which is free to move horizontally produces what has already been called the oscillating water wall phenomenon. When this happens, the plate and the volume of fluid located under the plate move back and forth and then behave as a wave reflector. This type of breakwater was studied in a wave flume with monochromatic and irregular wave trains. Tests have provided a better understanding of the influence of certain parameters that define a plate and the hydraulic conditions under which the plate is used. Results show some interesting efficiencies and also transfert of the energy to harmonic frequencies.

Keywords


experimental study; immersed plate; breakwater

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