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首页> 外文会议>International symposium on hydraulic physical modeling and field investigation >Research and Application of the Flow-Dividing Characteristics of Intake-Outlets in Upper and Lower Reservoirs in Xiangshuijian Pumped Storage Power Station
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Research and Application of the Flow-Dividing Characteristics of Intake-Outlets in Upper and Lower Reservoirs in Xiangshuijian Pumped Storage Power Station

机译：湘水泵蓄能电站上下水库进气口流量分裂特性的研究与应用

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摘要

Based on the hydraulic model tests, the "unit velocity method" was proposed and applied to analyze the flow-dividing characteristics of intake-outlet in upper and lower reservoirs of Xiangshuijian pumped storage power station. The proposed method has the advantages of clear physical meaning and exact quantification. By applying the "unit velocity method", the spacing between the splitter walls at the entrance of diffuser was adjusted to equal spacing in order to fit the bend effect of the tailrace conduit in the intake-outlet of lower reservoir. This arrangement is an improvement compared with the conventional unequal spacing usually adopted for the splitter wall configuration design of side-type intake-outlet at home and abroad. During model tests the proposed method can be used to adjust quickly the splitter wall spacing of side-type intake-outlets to find a satisfactory configuration with small hydraulic loss and uniform distribution of flow velocity.
机译：基于液压模型试验，提出了“单位速度法”并应用了分析了湘水泵浦蓄能电站的上下水库进气口的流动分割特性。该方法具有清晰的物理意义和精确量化的优点。通过施加“单位速度方法”，将扩散器入口处的分离壁之间的间隔调节到等距，以便适应尾部导管在下储存器的进气口中的弯曲效应。与通常用于国内外侧型进气口的分流墙配置设计通常采用的传统不平等间距相比，这种布置是一种改进。在模型测试期间，所提出的方法可用于快速调节侧型进气门插座的分离器壁间距，以找到令人满意的配置，具有小的液压损耗和均匀的流速分布。

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