摘要
本文提出了一种基于Ｓ１流面的轴流式水轮机转轮准三维有旋流动设计方法．通过联合迭代求解转轮区和导叶区平均Ｓ２ｍ流面流动以及转轮前后无叶片区螺旋流动，有效地考虑了转轮相关部件间流动的相互影响，克服了设计中给定转轮进、出口流动条件的困难．本文基于Ｓ１流面的给定Ｖθｒ分布的正、反问题迭代叶型设计方法，考虑了转轮内流动的周向不均匀性，保证了转轮的出力．通过Ｓ２ｍ流面计算给定初始叶形的Ｓ１回转流面反问题与平均Ｓ２ｍ流面正问题迭代，使得设计计算更为简便合理．
A new practical quasi three dimensional inverse method for axial hydraulic turbine runner in the inviscid rotational flow is presented. In this method, the flow inthe wicket gate range and the flow in the bladeless region as well as the flow in therange of runner blades are computed simultaneously. The influence of interrelatedflow parts on the flow is taken into account. The difficulty of defining the flow conditions at the blade inlet and outlet is surmounted. The circumferential flow variation is taken into account by designing the runner on the S1 flow surface.
出处
《水利学报》
EI
CSCD
北大核心
1996年第10期10-17,共8页
Journal of Hydraulic Engineering
关键词
轴流式
水轮机
卡普兰
转轮
有旋流动
设计
turbine, kaplan, runner, inverse problem, rotational flow.
