| Experimental and Numerical Study of Wave-Induced Long-Shore Currents on A Mild Slope Beach |
| |
| 作者姓名： | 孙涛 陶建华 |
| |
| 作者单位： | [1]School of Environment, Beijing Normal University, Beijing 100875, China [2]Department of Mechanics, Tianjin University, Tianjin 300072, China |
| |
| 基金项目： | This work is supported by the Key Program of National Natural Science Foundation of China （NSFC） （Grand No. 59839330） and National Natural Science Foundation of China （Grand No. 19772031） |
| |
| 摘 要： | 1.Introduction Long shorecurrenthasbecomethesubjectofextensiveworldwideresearchformanyyears.The purposeofthestudyistounderstandandpredicttheprocessesofsedimenttransport,shorelineevolu tionandpollutanttransportinthenear shorezoneundertheactionofwaves.Goda(2001)regarded thesuspendedsedimentastheprincipalloadinsedimenttransportandtheeffectoflong shorecurrents wasemphasized.Theeffectofwavesonpollutanttransportwasstudiedbynumericalmodelandfield experiment(TaoandHan,2002;Rodriguezetal.,1995),andth…
|
| 关 键 词： | 波浪 海滨 海滩 数学模型 波高 漩涡 粘性系数 |
Experimental and Numerical Study of Wave-Induced Long-Shore Currents on A Mild Slope Beach |
| |
| SUN Tao, TAO Jian-hua.Experimental and Numerical Study of Wave-Induced Long-Shore Currents on A Mild Slope Beach[J].China Ocean Engineering,2005,19(3):469-484. |
| |
| Authors: | SUN Tao TAO Jian-hua |
| |
| Abstract: | The long-shore current distribution on a mild slope beach is studied by combining the numerical model and the physical experiment. The experiments of long-shore currents under the action of regular and irregular waves are conducted on mild beaches with different slopes in a wave basin. A numerical model is established, which includes a wave propagation model, a wave breaking model and a long-shore current model. The validity of the numerical model is proved by the comparison of its results with the results of the experimental model. It is concluded that the wave-ioduced long-shore current is influenced significantly by the incident wave height, the wave angle and the beach slope. Its application to the Bohai Bay indicates that the wave-induced currents have the same order of magnitude as the tide currents in the near-shore zone of mill slope beach. In the design of wastewater ouffall locations on a mild-slope beach with shallow water of the Bohai Bay, the position of the outfall should be 10 km away from the shoreline, which is outside of the surf-zone. |
| |
| Keywords: | wave-induced long-shore current experimental study mathematical model regular and irregular waves |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
| 点击此处可从《中国海洋工程》浏览原始摘要信息 |
| 点击此处可从《中国海洋工程》下载免费的PDF全文 |
