Experimental Study on Suspended Sedi

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Experimental Study on Suspended Sediment Concentration and Its Vertical Distribution under Spilling Breaking Wave Action

Abstract:In this paper,flume experiments are focused on sediment transport inside and outside the surf zone.According to the energy dissipation balance principle of sediment-laden flow and the similarity between energy dissipation of spilling breaking wave and hydraulic jump,formulas are proposed to predict time averaged suspended sediment concentration under both non-breaking and breaking waves.Assuming that the sediment diffusion coefficient,which is related with energy dissipation,is proportional to water depth,formulas are proposed to predict close-to-bed suspended sediment concentration and vertical distribution of suspended sediment under spilling breaking waves,and the prediction shows a good agreement with the measurement. 作者: Author: XIA Yun-feng[1]  XU Hua[1]  CHEN Zhong[2]  WU Dao-wen[1]  ZHANG Shi-zhao[1] 作者单位: Nanjing Hydraulic Research Institute Nanjing 210029, China;The State Key Laboratory of Hydrology-Water Resources & Hydraulic Engineering, Nanjing 210029, China;Waterway and Sediment Engineering of MC, Nanjing 210029, ChinaShanghai Waterway Engineering Design and Consulting Co., Ltd, Shanghai 200120, China 期 刊: 中国海洋工程(英文版)   ISTICEISCI Journal: China Ocean Engineering 年,卷(期): 2011, 25(4) 分类号: U656.24 Keywords: silty sand    breaking wave    energy dissipation    suspended sediment concentration    vertical distribution    机标分类号: P7 TV1 机标关键词: Breaking Wave    Vertical Distribution    Sediment Concentration    suspended sediment    energy dissipation    sediment concentration    breaking waves    vertical distribution    diffusion coefficient    sediment transport    hydraulic jump    water depth    agreement    related    paper    time    flow 基金项目: the Ministry of Communications,Nanjing Hydraulic Research Institute Experimental Study on Suspended Sediment Concentration and Its Vertical Distribution under Spilling Breaking Wave Actions in Silty Coast[期刊论文]  中国海洋工程(英文版) --2011, 25(4)In this paper,flume experiments are focused on sediment transport inside and outside the surf zone.According to the energy dissipation balance principle of sediment-laden flow and the similarity betwee...

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