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1·The Francis turbine runner is an important running part of under water.

混流式水轮机转轮是重要的水下旋转部件。

2·So it provided a scientific basis for fatigue study of Francis turbine runner.

为混流式转轮疲劳研究提供了科学依据。

3·In this paper, the technology of nc machining of Francis turbine blade is presented.

主要论述了混流式水轮机叶片的数控加工工艺。

4·This paper systematically introduces the fatigue design methods of Francis turbine runner.

本文系统而简要地介绍了混流式水轮机转轮疲劳设计方法的研究成果。

5·Experience gained from these turbines are useful for the future large high-head Francis turbine design.

该水轮机的经验对今后大型高水头混流式水轮机的设计将是有益的。

6·Optimal structure of transition for Francis turbine stay ring was obtained through computing and analysis.

通过对混流式水轮机座环过渡段进行分析，获得了过渡段的最优结构。

7·This paper discusses the methods of reducing pressure pulsation in high load zone of Francis turbine models.

针对混流式模型水轮机研发中有关降低高部分负荷压力脉动的方法进行了探讨。

8·Cracks in Francis turbine runner blades threaten the safety, stability and economic profits of the hydropower station.

混流式水轮机转轮叶片裂纹故障严重影响了水电站的安全稳定运行和经济效益的发挥。

9·In this paper, the finite element method is used for the calculation of S1 streamline surface of Francis turbine runner with half vanes.

本文采用有限元法对带半叶片的混流式转轮的S1流面进行了流场计算。

10·This paper describe the blade stress state of Francis turbine in the course of starting, load rejection, stalling by analysing the field test data.

本文通过分析近期的现场测试数据，给出了混流式水轮机转轮叶片在启动、甩负荷、停机三种过渡工况下的应力状态。