Vertical profiles of fluid velocity and suspended sediment concentration in nearshore

被引：14
|
作者：
Zheng, Jun [1 ]
Li, Rui-jie [2 ]
Feng, Qing [2 ]
Lu, Sha-sha
机构：
[1] Hohai Univ, Key Lab Coastal Disaster & Def, Minist Educ, Nanjing, Peoples R China
[2] Hohai Univ, Environm Marine Lab, Nanjing, Peoples R China
来源：
INTERNATIONAL JOURNAL OF SEDIMENT RESEARCH | 2013年 / 28卷 / 03期
基金：
中国国家自然科学基金;
关键词：
Velocity profile; Sediment concentration profile; Suspended sediment transport rate; Sediment-laden flow; Nearshore; FLOW;
D O I：
10.1016/S1001-6279(13)60050-5
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
Based on the power function of velocity and the friction velocity, a velocity profile is obtained. By solving the Schmidt's diffusion equation, an equilibrium suspended sediment concentration profile is further deduced. The profiles of velocity and suspended sediment concentration agree well with the field data, and the profile of suspended sediment concentration avoids the unreasonableness of the classical Rouse profile such as a zero value at the water surface. According to these profiles, an expression which is easy to use for calculating the suspended sediment transport rate is derived.
引用
收藏
页码：406 / 412
页数：7
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