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Study on the Effect of GuideWall on the Transverse Velocity in the Bend

机译：导墙对弯曲横向速度的影响研究

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摘要

It is very important to understand the vertical transverse velocity distribution of the bend with the guide wall set on the axisto explain the improvement mechanism of the flow characteristics in the bend. Therefore, the effect of the guide wall on thetransverse velocity under different parameters of the bend was presented. Considering the feature design of channel bend inreal engineering project, axis, bottom slopes and discharges with two flow conditions were used as parameters. Analysis andobservation showed the significant impact on the transverse velocity, the guide wall impact on both absolute value and thedirection of the transverse velocity distribution and present certain laws. The absolute value is influenced by the change ofvelocity direction, while the direction is affected by the inlet flow condition. In contrast, the transverse velocity is effectivelyreduced by the installation of a guide wall, and the water depth differences are reduced as well. Therefore, the impact of theguide wall on the flow characteristic especially the transverse velocity was proved and these results are practically useful inchannel bend design.
机译：了解弯曲的垂直横向速度分布与轴上的引导壁的垂直横向速度分布非常重要解释弯曲中流动特性的改进机制。因此，引导墙对此的影响提出了弯曲的不同参数下的横向速度。考虑到频道弯曲的特征设计实际工程项目，轴，底部斜率和两个流动条件的放电用作参数。分析和观察显示对横向速度的显着影响，导向墙对绝对值和绝对值的影响横向速度分布的方向并提供某些法律。绝对值受变化的影响速度方向，虽然方向受到入口流动条件的影响。相比之下，横向速度有效通过安装引导壁减小，并且还减少了水深差异。因此，影响了在流动特征上尤其证实了横向速度的导墙，这些结果实际上是有用的通道弯曲设计。

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  • 来源
    《Arabian Journal for Science and Engineering》 |2021年第5期|4687-4702|共16页
  • 作者

    Jing Zhang; Tiantian Wang; Qinghua Zhang;

  • 作者单位

    State Key Laboratory of Hydraulic Engineering Simulationand Safety Tianjin University Tianjin City 300000 China College of Water Conservancy and Civil Engineering Shandong Agricultural University Taian City 271018 China;

    Dongping Lake Authority of Shandong Yellow RiverBureau Taian City 271018 China;

    College of Water Conservancy and Civil Engineering Shandong Agricultural University Taian City 271018 China;

  • 收录信息 美国《科学引文索引》(SCI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Bend; Guide wall; Transverse velocity; Distribution; Parameters of the bend;

    机译：弯曲;导墙;横向速度;分配;弯曲的参数;

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