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7 高压缸末两级变工况总体参数

Tab. 7 Overall parameters of final two stage variable conditions of high-pressure cylinder

工况	P_in/MPa	T_out/K	$\dot{m}$ /(kg·s^-1)	$\dot{P}$ /MW	功率占比/%
设计工况	9.834	673.44	738.93	45.36	100
8%抽汽	9.549	676.82	680.18	36.95	81.46
15%抽汽	9.305	680.63	628.22	30.05	66.24
20%抽汽	9.135	683.42	591.30	25.45	56.11