导叶是离心泵的转能装置,它的作用是把叶轮甩出来的液体收集起来,使液体的流速降低,把部分速度能头转变为压力能头后,再均匀地引入下一级或者经过扩散管排出。
起旋器内部的流速场和涡量场特性_2011年 第二期_江苏大学学报 关键词 :起旋器;螺旋流;涡量场;流速场;导叶[gap=1966]Key words:generator;spiral flow;vorticity field;velocity field;guide vane
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It is often needed to change the diffuser to improve the pump's efficiency.
泵站的技术改造过程中,为提高整体性能,也常常遇到更换导叶的问题。
参考来源 - 轴流泵叶轮及后导叶流场计算与分析The inlet of the return guide vane was designed to be twisted and the remaining part was cylindrical.
进口边扭曲的反导叶设计法,使导叶进口流动更趋合理,同时使泵体轴向长度减短到极小值。
参考来源 - 新型井泵的水力设计及内部流动数值模拟The pressure range of the front diffuser becomes small to big incarnating the effect the diffuser which can change the kinetic energy to the pressure energy.
正导叶压力由小变大,体现了导叶使得速度能转化成压力能的作用。
参考来源 - 带前置诱导轮的复合叶轮型离心泵数值研究·2,447,543篇论文数据,部分数据来源于NoteExpress
此项技术如得到应用并获得成功,将对减少导叶漏水、节省能源起到显著作用。
The application of such technology will play a great role in reducing the leakage of turbine wicket gate and saving energy.
蜗壳、固定导叶和活动导叶组成的引水、导水部件的水力设计对水轮机性能有着举足轻重的作用。
The hydraulic design of diversion components and guiding device which are composed by volute, stay vanes and guide vanes is very important to the performance of hydraulic turbine.
本文介绍了柔性导叶的结构及调节原理。
This paper introduces structure and regulation theory of flexible guide vane.
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