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首页> 外文期刊>Current Science: A Fortnightly Journal of Research >Numerical simulation of air-core vortex at intake
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Numerical simulation of air-core vortex at intake

机译：摄入量空气涡流的数值模拟

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摘要

In order to study the features of vortex at horizontal intakes, numerical investigations have been performed. The tangential, radial, and axial distributions, and water surface profile were simulated to evaluate the flow behaviour and existence of an air-core vortex. The numerical results agree with existing experimental data. The correlation of vortex characteristics between numerical and experimental results was good. Regarding formed funnel profile of flow in the basin towards horizontal intake, its limits at the existence of an air-core vortex were analysed. The spiral flow pattern from surface towards intake was identified around the air-core vortex. This numerical simulation may help to get a deeper understanding in determining the submergence required to avoid air-entraining vortices in a reservoir.
机译：为了研究水平摄入量的涡流的特征，已经进行了数值研究。 模拟切向，径向和轴向分布和水表面轮廓以评估空气芯涡流的流动行为和存在。 数值结果与现有的实验数据一致。 数值和实验结果之间的涡旋特性的相关性良好。 关于盆地流动朝向水平摄入的流动漏斗轮廓，分析了空气涡流存在的限制。 围绕空气芯涡旋鉴定来自表面朝向摄入的螺旋流动模式。 该数值模拟可以有助于在确定避免储层中的空气夹带涡流所需的淹没时更深入地了解。

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