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本文通过在专门研制的模型实验装置上对水轮机导水部件流场的大量实验分析,研究了含沙水流条件下水轮机导水部件流场的特性;找出了含沙水流条件下水轮机活动导叶与固定导叶的最佳相对安放位置。在清水实验结果和含沙水实验结果对比分析的基础上,建立了含沙水流条件下确定水轮机固定导叶与活动导叶相对位置的经验关系式,并找出了此相对位置与含沙量的关系。
In this paper, a large number of experiments on the flow field of turbine hydraulic components are carried out on a specially developed model experimental device to study the flow field characteristics of turbine hydraulic components under the condition of sandy water flow. The best relative positioning with fixed guide vanes. Based on the comparative analysis between the experimental results of clear water and the experimental results of sandy water, the empirical relationship between the relative position of fixed guide vane and movable guide vane under the condition of sandy flow was established, and the relative position and sediment concentration Relationship.