Experimental Study on Water-level Fluctuation Characteristics at Open Channel Confluence Zone

Wang Xiekang

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Experimental Study on Water-level Fluctuation Characteristics at Open Channel Confluence Zone

更新时间：2023-11-14

- Experimental Study on Water-level Fluctuation Characteristics at Open Channel Confluence Zone
- Advanced Engineering Sciences Vol. 47, Issue Z1, Pages: 13-17(2015)
- 作者机构：
  
  四川大学水力学与山区河流开发保护国家重点实验室
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2015，
  
  Published Online：18 November 2014，
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王海周,王冰洁,刘兴年,王协康.明渠交汇区水位变化特性试验研究[J].工程科学与技术,2015,47(Z1):13-17.

Wang Xiekang. Experimental Study on Water-level Fluctuation Characteristics at Open Channel Confluence Zone. [J]. Advanced Engineering Sciences 47(Z1):13-17(2015)
王海周,王冰洁,刘兴年,王协康.明渠交汇区水位变化特性试验研究[J].工程科学与技术,2015,47(Z1):13-17. DOI：

Wang Xiekang. Experimental Study on Water-level Fluctuation Characteristics at Open Channel Confluence Zone. [J]. Advanced Engineering Sciences 47(Z1):13-17(2015) DOI：

摘要

中文摘要: 交汇河流在自然界中普遍存在，水流相互作用突出，水位流量关系变化复杂。本文基于物理模型试验探讨了天然河流交汇区水位变化特性，分析了不同干支流来水条件下的水位沿程变化、交汇区典型断面水位流量关系、交汇区泥沙起动流速变化等特性。结果表明，交汇区水位变化的强弱与干支流流量等密切相关，交汇区泥沙起动流速随里程变化与单一河道有明显差异。

Abstract

Abstract:Channel confluence is universal

in which obvious interaction of water flows and complicated stage-discharge relation exists. The effects of discharge ratio between main channel and branch channel on the flow characteristics including the water-level fluctuation along the river

stage-discharge relation and incipient velocity at confluence zone were studied based on the physical model tests. The results indicated that the strength of water-level fluctuation at confluence zone was closely related to discharge ratio between main channel and branch channel and river pattern

and incipient velocity variation along the river at confluence zone was obviously different from the one in single channel.

关键词

河流交汇水位流量关系水位变化特性泥沙起动流速

Keywords

channel confluencestage-discharge relationcharacteristics of water-level fluctuationsediment incipient velocity

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