The structural characteristic and machining method of runner blade servomotor piston ring for large Kaplan turbine are studied.
对大型轴流转桨式水轮机转轮接力器活塞环的结构特点及加工方法进行了研究分析。
Based on the calculated liquid and solid phase velocity fields, the numerical simulation of silt abrasion on runner blade surfaces has been carried out.
根据液相和固相三维流速场的计算结果数值模拟了转轮叶片面的泥沙磨损。
The results show that the control system of runner blade in parallel with gate has a better dynamic stability than that of the runner blade in series with gate.
结果表明：在对象参数相同的条件下，轮叶、导叶并列结构所构成的调节系统较之轮叶、导叶串联结构所构成的调节系统具有更好的动态稳定性。
And an application of this method for measuring of the model runner blade of axial type is also presented, and the results of measurement are satisfactory for use.
文中还介绍了该方法在轴流式模型转轮叶片上的应用，并获得了满意的结果。
The welding residual stress of the runner is the main reason which leading to the fault of the runner blades, so the study on the welding residual stresses of the runner blade is necessary.
其中转轮的焊接残余应力是导致转轮叶片出现断裂的主要原因，所以对转轮叶片上的焊接残余应力的研究是非常有必要的。
This approach effectively solved the problem of runner blade Angle adjustment and is able to rapidly design runner blades with good performance.
这种方法有效地解决了调节转轮叶片出口角度的困难，能较快的设计出性能良好的转轮。
To increase the head of bulb turbine, it is necessary to improve the runner blade design method and design high head bulb turbine with good energy and cavitation coefficient performance high.
欲提高贯流式水轮机的使用水头，应改进转轮叶片的设计方法，以设计出能量和气蚀性能良好的高水头贯流式水轮机。
To increase the head of bulb turbine, it is necessary to improve the runner blade design method and design high head bulb turbine with good energy and cavitation coefficient performance high.
欲提高贯流式水轮机的使用水头，应改进转轮叶片的设计方法，以设计出能量和气蚀性能良好的高水头贯流式水轮机。
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