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NUMERICAL SIMULATION OF SEDIMENT MOVEMENT IN HEAVY SILT-LADEN FOREBAY

机译：重型淤泥藏前沉积物运动的数值模拟

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As a transition construction of water intake pumping station, the forebay will be helpful to direct the water smoothly and evenly from the original cannel to supply to every pump for a long standing state. Many reasonable measures have been adopted to improve the flow condition successfully, however, on sediment deposition, the usual means are experiential analysis and physics models only. Based on the past research, the horizontal 2-D flow and sediment mathematical model has been established under orthogonal curvilinear coordinates. The model can be used to forecast the sedimentation after model parameter determine and practice verification. In this paper, one certain forebay including the consideration of modifying the velocity near pumps has been taken for instance. In addition, the sediment depositions of two projects are forecasted, after a long time operation. The result is reasonable and has a practical application value to guide the operation.
机译：作为水进气泵的过渡结构，前线将有助于将水平稳，均匀地从原始插管均匀地向每个泵供应，以便长期存在。已经采用了许多合理的措施来成功改善流量条件，然而，在沉积物沉积上，通常的手段是实验性分析和物理模型。基于过去的研究，在正交曲线坐标下建立了水平的2-D流量和沉积物数学模型。该模型可用于预测模型参数确定和实践验证后的沉降。在本文中，已经采取了一定的前台，包括考虑修改泵附近的泵的速度。此外，经过长时间的操作，预测了两个项目的沉积物沉积。结果是合理的，并且具有指导操作的实际应用值。

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