HORIZONTAL AND VERTICAL WATER PARTICLE VELOCITIES INDUCED El WAVES

Yoshito Tsuchiya, Masataka Yamaguchi

Abstract


Measurements of horizontal and vertical water particle velocities induced by regular waves, wind waves generated by a wind wave tank and ocean waves in shallow water were made using a Doppler-type sonic current meter. For regular waves, the validity of wave theories such as Stokes and cnoidal waves is investigated by comparison between theoretical curves and the experimental results. For wind waves and ocean waves, power spectra of water particle velocities and cross-correlations between surface displacement and water particle velocity are considered, especially in the latter case, directional spectra calculated from both the records are compared each other.

Keywords


particle velocity; horizontal velocity; vertical velocity

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