HYDRAULIC MODEL EXPERIMENT ON THE DIFFUSION DUE TO THE COASTAL CURRENT

Haruo Higuchi; Yuichi Iwagaki

doi:10.9753/icce.v11.87

No. 11 (1968), Conference Proceedings

No. 11 (1968)

HYDRAULIC MODEL EXPERIMENT ON THE DIFFUSION DUE TO THE COASTAL CURRENT

Conference Proceedings

https://doi.org/10.9753/icce.v11.87

Published 1968-01-29

Haruo Higuchi⁺⁻
Yuichi Iwagaki⁺⁻

Haruo Higuchi

Disaster Prevention Research Institute Kyoto University

Yuichi Iwagaki

Kyoto University

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Keywords

hydraulic model
current diffusion
current

How to Cite

Higuchi, H., & Iwagaki, Y. (1968). HYDRAULIC MODEL EXPERIMENT ON THE DIFFUSION DUE TO THE COASTAL CURRENT. Coastal Engineering Proceedings, 1(11), 87. https://doi.org/10.9753/icce.v11.87

Abstract

The diffusion phenomena due to the tidal current and the longshore current inside and outside a harbor are studied m a hydraulic model experiment, for which the Kashima Harbor area is used as the prototype. The tidal current, the longshore current and the effect of density are taken into account, but the direct effects of wind and waves are not considered. A model of Kashima Harbor, with horizontal and vertical scales of 1/500 and 1/63 respectively, was constructed, and a semidiurnal tide generated by an automatically controlled pneumatic tide generator and longshore current by a water circulating system were provided for it. The water level at 4 stations and current pattern were measured. The diffusion of dyed water from instantaneous point sources and a continuous point source was investigated by the photographic method and dye concentration analysis.

https://doi.org/10.9753/icce.v11.87

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HYDRAULIC MODEL EXPERIMENT ON THE DIFFUSION DUE TO THE COASTAL CURRENT

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