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Enhancing flow pattern upstream of New Hafeer Pump Station

机译：增强新哈菲尔泵站上游的流型

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In the context of implementing and modifying pump stations, this study was commenced with the purpose of enhancing the flow pattern at their upstream. For that, a hydraulic study using fixed bed physical model was carried out to investigate the non-uniformity of flow distribution due to the formation of separation zone upstream of Lateral Pump Station (New Hafeer Pump Station). A new approach was investigated in the model to reduce the separation zones activity without any adverse impacts on the operation process. The approach is a combination of installing series of small Spur Dykes and Humps at the drain where the station is located. Four complementary modifications using the new approach were proposed and simulated. The results indicated the effectiveness of the investigated approach in eliminating the separation zone and hence improving the approach flow at the station entrance which makes the station units to withdraw regular and equal discharges.
机译：在实施和修改泵站的背景下，开始本研究的目的是增强泵站上游的流型。为此，进行了使用固定床物理模型的水力研究，以研究由于侧向泵站（新Hafeer泵站）上游分离区的形成而造成的流量分布不均匀性。在模型中研究了一种新方法，以减少分离区的活动，而对操作过程没有任何不利影响。该方法是在车站所在的排水沟处安装一系列小型丁坝和驼峰的组合。提出并模拟了使用新方法的四个补充修改。结果表明，所研究方法在消除分离区并因此改善了站入口处的进场流量方面的有效性，这使得站台单位有规律地进行均等排放。

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