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首页> 外文会议>2011 International Conference on Control, Automation and Systems Engineering (CASE) >Discharge Error Analysis of Check Gate Combined with Inverted Siphon in a Canal Simulation System
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Discharge Error Analysis of Check Gate Combined with Inverted Siphon in a Canal Simulation System

机译：渠道仿真系统中倒虹吸联合闸门流量误差分析。

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摘要

Sluice gate is the key factor of accuracy in a canal simulation system. Due to the coupled relationship between the Saint-Venant equations and the discharge of gates, the gate flow rate at a time is calculated from the sampling of water depth gathered last step. The article analyzed this approximation of water depth data based on a complete canal simulation system. Then, according to the combination of the inverted siphon and the sluice gate in the middle route of the South-to-North Water Transfer Project, the paper studied the influence of the structure on the calculation of gate discharge and put forward that the operation mode with a constant depth upstream gate might provide a higher accuracy compared to the one with a canal constant downstream depth in the middle route project.
机译：闸门是运河模拟系统中精度的关键因素。由于Saint-Venant方程与闸门排放之间的耦合关系，因此一次闸门流速是根据上一步收集的水深采样来计算的。文章基于完整的运河模拟系统分析了水深数据的近似值。然后，根据南水北调中线工程中倒虹吸管与闸门的结合，研究了该结构对闸门流量计算的影响，提出了运行方式。与在中线工程中具有恒定下游深度的运河相比，具有恒定深度的上游水闸可能会提供更高的精度。

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