Laboratory experiments on 3-D nearshore current and a model with momentum flux by breaking waves

Akio Okayasu; Koji Hara; Tomoya Shibayama

doi:10.1061/9780784400890.179

Laboratory experiments on 3-D nearshore current and a model with momentum flux by breaking waves

Akio Okayasu, Koji Hara, Tomoya Shibayama

School of Creative Science and Engineering

Research output: Contribution to journal › Conference article

7 Citations (Scopus)

Abstract

Laboratory experiments are performed in a wave basin to investigate the characteristics of three dimensional distribution of the nearshore current. Direction and amplitude of the nearshore current significantly change along the vertical axis and have spiral distribution. A quasi 3-D model which gives the 3-D distribution of nearshore current is proposed. Momentum flux due to the large vortexes formed on the front face of breaking waves is included in the model to evaluate the depth averaged current. The model is examined with the experimental results.

Original language	English
Pages (from-to)	2461-2475
Number of pages	15
Journal	Proceedings of the Coastal Engineering Conference
Volume	3
DOIs	https://doi.org/10.1061/9780784400890.179
Publication status	Published - 1995 Jan 1
Event	Proceedings of the 24th International Conference on Coastal Engineering. Part 1 (of 3) - Kobe, Jpn Duration: 1994 Oct 23 → 1994 Oct 28

ASJC Scopus subject areas

Ocean Engineering

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10.1061/9780784400890.179

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Okayasu, A., Hara, K., & Shibayama, T. (1995). Laboratory experiments on 3-D nearshore current and a model with momentum flux by breaking waves. Proceedings of the Coastal Engineering Conference, 3, 2461-2475. https://doi.org/10.1061/9780784400890.179

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AB - Laboratory experiments are performed in a wave basin to investigate the characteristics of three dimensional distribution of the nearshore current. Direction and amplitude of the nearshore current significantly change along the vertical axis and have spiral distribution. A quasi 3-D model which gives the 3-D distribution of nearshore current is proposed. Momentum flux due to the large vortexes formed on the front face of breaking waves is included in the model to evaluate the depth averaged current. The model is examined with the experimental results.

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