变工况条件下汽轮机高压缸末级气动及强度性能研究
石红晖, 王海波, 曹蓉秀, 姚力, 晏鑫

Research on Aerodynamic and Strength Performance of Last Stage in High-Pressure Cylinder of Steam Turbine Under Variable Working Conditions
Honghui SHI, Haibo WANG, Rongxiu CAO, Li YAO, Xin YAN
表8 变工况叶片、轮盘关键部位的应力 (MPa)
Tab. 8 Stress of key parts of blade and disk under variable conditions
工况位置①位置②位置③位置④位置⑤位置⑥
设计工况236.8289.1391.4214.2420.7379.5
8%抽汽238.7283.0375.2207.7408.7374.4
15%抽汽240.1278.9361.2202.1398.4370.0
20%抽汽240.9276.2351.2198.1390.9366.8