大功率汽轮机末级动叶根部叶栅的最优化设计  

Optimal Design of the Last Stage Rotor Blade Root Cascade for Large-output Steam Turbines

作　　者：茅声闿[1] 李群[1] 王松珺 王俊宏[1] 

机构地区：[1]哈尔滨汽轮机厂

出　　处：《热能动力工程》1991年第2期73-79,共7页Journal of Engineering for Thermal Energy and Power

摘　　要：本文提出了大功率汽轮机末级动叶根部叶栅的最优化设计的方法,并给出设计实例。最优设计所得的叶栅损失系数比原有叶栅的损失系数有明显下降。This paper presents the optimal design method of the last stage rotor blade root cascade for large-output steam turbines with actual design examples being given.The cascade loss factor of the optimally designed cascades is significantly lower than that of the original cascades.

关 键 词：汽轮机 大功率 动叶根 叶栅 设计 

分 类 号：TK263.62[动力工程及工程热物理—动力机械及工程]