编制的计算机程序可用于计算固定导叶与活动导叶不同排比的流场。
A computer program is developed to calculate the flow field around the guide cascades with arbitrary ratio of stay and guide vanes.
得到了在清水和含沙水条件下两种活动导叶与固定导叶的最佳相对安放位置和流场的不同特性。
Optimum guide vane and bucket positioning with flow field characterris-ics both for clean and sandy water are…
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.
通过试验研究了固定导叶结构在空气中及水中的固有频率及振型，得到了其固有频率在水中的变化规律。
In this paper, the nature frequency and the mode of stay vane in the air or in the water were studied. Obtained the vary regular of the nature frequency with water influence.
本文建立的水轮机固定导叶和活动导叶后卡门涡频率预估模型，可在设计阶段进行叶片绕流卡门涡频率的预估。
The vortices shedding frequency calculation model proposed by this paper can be used to predict the shedding frequency of the Karman vortices for hydraulic turbines design.
本文建立的水轮机固定导叶和活动导叶后卡门涡频率预估模型，可在设计阶段进行叶片绕流卡门涡频率的预估。
The shedding frequency computation model built in this paper can be used to predict the shedding frequency of the Karman vortices for designing hydraulic turbines.
本文探讨了通过沿圆周分布不同形状的固定导叶来降低损失，以克服此种蜗壳自身的不足，提高转轮的水力效率。
Different geometry of stay vanes applied to reduce loss is discussed in the paper, so as to compensate lack of spiral casing and improve hydraulic efficiency.
其蜗形部分不采用速度矩为常数的假设，固定导叶的形状沿圆周是变化的，以便与来流相适应；固定导叶与活动导叶两环列叶栅之间的相对位置是由优化计算确定的。
The hypothesis of constant velocity moment was not used for the spiral parts design, and the shapes of stay vanes are different along the circumference so that they can adapt their...
其蜗形部分不采用速度矩为常数的假设，固定导叶的形状沿圆周是变化的，以便与来流相适应；固定导叶与活动导叶两环列叶栅之间的相对位置是由优化计算确定的。
The hypothesis of constant velocity moment was not used for the spiral parts design, and the shapes of stay vanes are different along the circumference so that they can adapt their...
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