Modification of the Einstein bed-load formula

被引：30
|
作者：
Wang, Xingkui [1 ]
Zheng, Jun [1 ]
Li, Danxun [1 ]
Qu, Zhaosong [2 ]
机构：
[1] Tsinghua Univ, State Key Lab Hydrosci & Engn, Beijing 100084, Peoples R China
[2] Beijing Sinfotek Co Ltd, Beijing 100101, Peoples R China
来源：
JOURNAL OF HYDRAULIC ENGINEERING | 2008年 / 134卷 / 09期
关键词：
D O I：
10.1061/(ASCE)0733-9429(2008)134:9(1363)
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
The original derivation of the Einstein bed-load formula involves several oversimplified assumptions concerning step length of a particle, exchange time, and probability of being lifted into motion. A modified version of the Einstein formula that relaxes these assumptions and incorporates a nonuniform sediment model is proposed and tested with both field and laboratory data. The modified formula shows promise as being more reliable than the original version in estimating bed-load transport rates.
引用
收藏
页码：1363 / 1369
页数：7
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