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Proper Longshore Current in a Wave Basin

P. J. Visser

This report describes the investigation into a method how to obtain the proper longshore current in a wave basin. In this method the basin geometry is optimized and the proper recirculation flow through openings in the wave guides is determined by minimizing the circulation flow between the wave guides. Using different wave fields, two beach slopes, two beach roughnesses and for most of the experiments a distribution system in the longshore current opening of the upstream wave guide, the width of the opening in the downstream wave guide and the recirculation flow were varied. The investigation shows that the adjustment of the longshore current has to be done carefully in order to achieve uniformity along the beach and the correct magnitude and distribution normal to the beach.

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Proper Longshore Current in a Wave Basin

P. J. Visser

This report describes the investigation into a method how to obtain the proper longshore current in a wave basin. In this method the basin geometry is optimized and the proper recirculation flow through openings in the wave guides is determined by minimizing the circulation flow between the wave guides. Using different wave fields, two beach slopes, two beach roughnesses and for most of the experiments a distribution system in the longshore current opening of the upstream wave guide, the width of the opening in the downstream wave guide and the recirculation flow were varied. The investigation shows that the adjustment of the longshore current has to be done carefully in order to achieve uniformity along the beach and the correct magnitude and distribution normal to the beach.

Proper Longshore Current in a Wave Basin

P. J. Visser

This report describes the investigation into a method how to obtain the proper longshore current in a wave basin. In this method the basin geometry is optimized and the proper recirculation flow through openings in the wave guides is determined by minimizing the circulation flow between the wave guides. Using different wave fields, two beach slopes, two beach roughnesses and for most of the experiments a distribution system in the longshore current opening of the upstream wave guide, the width of the opening in the downstream wave guide and the recirculation flow were varied. The investigation shows that the adjustment of the longshore current has to be done carefully in order to achieve uniformity along the beach and the correct magnitude and distribution normal to the beach.

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Titel:

Proper Longshore Current in a Wave Basin

Beteiligte:

P. J. Visser (Autor:in)

Erscheinungsdatum:

1982

Format / Umfang:

92 pages

Medientyp:

Report

Format:

Keine Angabe

Sprache:

Englisch

Schlagwörter:

Dynamic Oceanography , Circulation , Ocean currents , Model tests , Geometry , Beaches , Slopes , Surface roughness , Distribution(Property) , Width , Equations of motion , Friction , Surf , Eddy viscosity , Mathematical models , Depth , Netherlands , Foreign technology , Long shore currents

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