This paper studies the filling characteristic of the ring shape runner system based on the Large Qrifice Discharge theory and takes the hydraulic simulation test.

本文根据大孔出流理论。 对环形横浇道系统的充填特性进行了研究与水模拟试验。

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According to the feature of hydraulic servo system, the PDF control strategy is proposed, and simulation test is done based on the setup of control system model.

根据其液压伺服系统特点提出了P DF控制策略，并在建立控制系统模型的基础上进行了仿真试验。

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The hydraulic characteristics of the throttled surge chamber under various hydraulic transition processes are analyzed through combination of numerical simulation and model test.

通过带调压室水电站的模型试验和数值仿真计算，分析了阻抗式调压室在各种水力过渡过程下的水力工作特性。

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