runner blade meaning in English
主动轮叶
转轮叶片
Examples
- Cracks in francis turbine runner blades threaten the safety , stability and economic profits of the hydropower station
摘要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。 - The transient cfd simulation including the spiral case , stay vane , guide vane , runner vane and draft tube at different operation points is studied fitly , then the result of the pressure distribution on runner blade is provided for the runner transient structural simulation by fluid - structure interaction ( fsi ) method
文中首先对高水头小负荷的涡带工况下混流式水轮机内流场进行非定常cfd计算，得到涡带工况下叶片表面不同时刻的水压力载荷，并利用流固耦合方法对转轮进行结构场瞬态特性计算，分析转轮叶片的动应力特性。 - This thesis discusses the problem free - surface modeling technique of turbine blade according to the property of the runner blade and the present research achievement in free - surface modeling technique , the major study concerned are introduced below : firstly , it accomplished the study of intersection for blade - to - plane and present the method of three - step algorithms such as subdivision > iterative refinements approach ; meanwhile it solved the problem of small area extend of blade by use minimal modulus method
本文针对水轮机叶片的特点，结合曲面造型技术的研究现状，研究了水轮机叶片的nurbs曲线曲面造型问题。主要工作有：第一，完成了叶片与任意平面求交问题的研究，提出分割-迭代-拟合三步求交算法。同时首次应用最小二乘拟合端部法解决了叶片的小区域延展问题。 - Through repairing the worn parts of four hydropower stations of xinzhuang , zaoqi , suide and qiemo , and taking some comprehensive anti - abrasion measures , such as checking and repairing the runner blade , cutting the head of blade into round shape , adding an apron to the outer edge of blade and increasing a guiding plate in the head of blade , a good effectiveness has been gained so that it increases the output of generating unit and enhances the abrasion resistant capacity
通过对新庄、枣渠、绥德、且末4个水电站的磨蚀破坏部件的修复、转轮叶片测型与修型、叶片头部割圆角、叶片外缘加裙边、头部加导流板等抗磨蚀措施的综合治理，取得较好效果，使机组出力增加、抗磨蚀能力提高。 - In this paper , at first the cfd simulation including the spiral case , stay vane , guide vane , runner vane and draft tube at different operation points is studied , then the result of the pressure distribution on runner blade is provided for the runner structural simulation by fluid - structure interaction ( fsi ) method
本文首先对混流式水轮机全流道内流场进行了多工况的cfd计算，得到不同工况下转轮叶片表面水压力载荷，并利用顺序流固耦合方法对转轮在各种工况下的应力特性进行计算。