| 典型石质汊流滩航道整治二维水流数值模型研究 |
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| 引用本文： | 张玮,徐宿东,曹民雄,蔡国正.典型石质汊流滩航道整治二维水流数值模型研究[J].水运工程,2004(4):52-56. |
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| 作者姓名： | 张玮 徐宿东 曹民雄 蔡国正 |
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| 作者单位： | 1. 河海大学交通与海洋工程学院,江苏,南京,210098
2. 南京水利科学研究院河港所,江苏,南京,210024 |
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| 摘 要： | 在石质汊流滩航道整治工程中,通常采用开挖河槽的方法来降低流速,改善航道水流条件。本文应用二维水动力数学模型研究典型石质汊流滩——广西浔江鲫鱼滩航道整治工程方案,通过各方案计算结果比较,分析了工程后分流比及局部河段流速的变化规律,并就流速和流量的变化与开挖面积、开挖范围以及开挖方式之间的关系进行了探讨。
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| 关 键 词： | 石质汊流滩 二维水动力数学模型 航道整治 |
| 文章编号： | 1002-4972(2004)04-0052-05 |
| 修稿时间： | 2003年10月13 |
A Study on Waterway Regulation of Typical Rocky Rapids in A Branching Channel by 2-D Hydrodynamic Model |
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| ZHANG Wei,XU Su-dong,CAO Min-xiong,CAI Guo-zheng.A Study on Waterway Regulation of Typical Rocky Rapids in A Branching Channel by 2-D Hydrodynamic Model[J].Port & Waterway Engineering,2004(4):52-56. |
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| Authors: | ZHANG Wei XU Su-dong CAO Min-xiong CAI Guo-zheng |
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| Institution: | ZHANG Wei1,XU Su-dong1,CAO Min-xiong2,CAI Guo-zheng2 |
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| Abstract: | In waterway regulation of a rocky rapids, riverbed excavation is often used for reducing velocity and improving flow condition in a channel. In this paper, a 2-D hydrodynamic-numerical model was applied to typical rocky rapids called Jiyutan in Xunjiang River of Guangxi Zhuang Autonomous Region. For different schemes, the change of the discharge and flow current in a branch were analyzed, and the relationship between the flow condition and excavation area, excavation scope, as well as the excavation mode was discussed. |
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| Keywords: | rocky rapids in a branching channel 2-D hydrodynamic-numerical model waterway regulation |
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