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9 变工况叶片顶部最大变形位移 (mm)

Tab. 9 Maximum deformation displacement of blade tip under variable conditions

工况 径向 切向 轴向 总位移 设计工况 0.212 0.029 0.400 0.443 8%抽汽 0.206 0.028 0.363 0.408 15%抽汽 0.200 0.027 0.331 0.379 20%抽汽 0.196 0.027 0.308 0.358