核电汽轮机低压末级叶片低负荷运行安全性研究  

A Research on the Safety of the Low-pressure Last Stage Blade of a Nuclear Steam Turbine at Low Loads

作　　者：张勇[1] 马义良[2] 石岭[1] 李战争 郭魁俊 曹政 关淳 ZHANG Yong;MA Yi-liang;SHI Ling;LI Zhan-zheng;GUO Kui-jun;CAO Zheng;GUAN Chun(Jiangsu Nuclear Power Co.,Ltd.,Lianyungang 222042,China;Harbin Turbine Company Limited,Harbin 150046,China)

机构地区：[1]江苏核电有限公司,连云港222042 [2]哈尔滨汽轮机厂有限责任公司,哈尔滨150046

出　　处：《汽轮机技术》2022年第5期374-376,333,共4页Turbine Technology

摘　　要：基于有限元方法分析了核电汽轮机低压末级叶片在低负荷运行的安全性,以末级叶片的静强度、动频率,以及不同负荷下的动应力为主要研究内容,给出了核电汽轮机组在调峰低负荷工况下的的运行安全性指导。Based on the finite element method,the safety of the low-pressure last stage blade of a nuclear steam turbine at low loads is analyzed.The static strength,dynamic frequency and dynamic stress of the last stage blade at different loads are taken as the research contents.The operation guidance is provided focusing on the safety of the nuclear steam turbine under low load conditions such as the peak shaving.

关 键 词：核电汽轮机 末级叶片 低负荷 有限元 

分 类 号：TK263.3[动力工程及工程热物理—动力机械及工程]