Influence of Reference Bed Level on Computation of Bed Shear Stress in Open Channel Flow

被引:1
作者
Pathirana, K. P. P. [1 ]
Ranasinghe, P. C. [2 ]
Ratnayake, U. R. [1 ]
机构
[1] Univ Peradeniya, Dept Civil Engn, Peradeniya, Sri Lanka
[2] Rd Dev Author, Battaramulla, Sri Lanka
来源
ENGINEER-JOURNAL OF THE INSTITUTION OF ENGINEERS SRI LANKA | 2006年 / 39卷 / 03期
基金
美国国家科学基金会;
关键词
Bed shear stress; Shear velocity; Roughness height; Reference bed level;
D O I
10.4038/engineer.v39i3.7189
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
An accurate estimation of bed shear stress is essential for estimating sediment transport rates in streams, rivers and open channels. Precise velocity measurements were carried out in steady, uniform open channel flows over a rough bed with large scale roughness to compare different methods of estimating bed shear stress. Effect of reference bed level for measurement of water depth which is an important parameter for computing bed shear stress, was investigated.
引用
收藏
页码:19 / 24
页数:6
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