Influences of Flow Discharge Processes on Morphological Evolutions in an Experimental Channel: A 3-D Numerical Study

被引：0

作者：

Jia, Dongdong ^{[1
]}

Shao, Xuejun ^{[2
]}

Zhang, Xingnong ^{[1
]}

Chen, Changying ^{[1
]}

机构：

[1] Nanjing Hydraul Res Inst, State Key Lab Hydrol Water Resources & Hydraul En, Nanjing 210029, Jiangsu, Peoples R China

[2] Tsinghua Univ, State Key Lab Hydrosci & Engn, Beijing 100084, Peoples R China

来源：

ADVANCES IN CIVIL AND INDUSTRIAL ENGINEERING, PTS 1-4 | 2013年 / 353-356卷

关键词：

flow discharge process; morphological changes; numerical simulation; experimental channels; SIMULATION; RIVER; MODEL; MIGRATION;

D O I：

10.4028/www.scientific.net/AMM.353-356.2515

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

The discharge process influences the morphological evolutions of alluvial rivers, even the channel pattern evolutions. The impacts of discharge processes on morphological evolutions in an experimental channel were investigated by a 3-D mathematical model, in which turbulence flow and sediment transport as well as bank erosion were modeling. The simulated results demonstrated that the discharge process had significant effects on morphological changes. Planfrom evolution in the period with large discharge was much more notable than that with small discharge. Different discharge processes may lead to different channel patterns. A single meandering channel was formed under steady flow condition. A braided channel was observed with unsteady flow condition.

引用

页码：2515 / +

页数：2

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