汽轮机阀门快关动态冲击载荷研究  

Research on Dynamic Impact Load of Steam Turbine Valve

作　　者：尉坤 李国新 郑宏伟 初世明[1] 徐洪峰 YU Kun;LI Guo-xin;ZHENG Hong-wei;CHU Shi-ming;XU Hong-feng(Harbin Turbine Company Limited,Harbin 150046,China;SPIC Henan Electric Power Company Limited,Pingdingshan 467000,China)

机构地区：[1]哈尔滨汽轮机厂有限责任公司,哈尔滨150046 [2]国家电投集团河南电力有限公司平顶山发电分公司,平顶山467000

出　　处：《汽轮机技术》2021年第2期115-116,122,共3页Turbine Technology

摘　　要：进行汽轮机阀门快关动态冲击载有限元分析,根据能量守恒原理,应用赫兹应力计算方法求解阀门快关的极限关闭速度,并且通过实验验证本方法的正确性。Finite element analysis of dynamic impact load of steam turbine valve quick closing is carried out.According to the principle of energy conservation,the limit closing speed of valve quick closing is solved by Hertz stress calculation method.The correctness of the method is verified by experiments.

关 键 词：汽轮机 阀门 冲击载荷分析 赫兹应力 

分 类 号：TK264.9[动力工程及工程热物理—动力机械及工程]