缓闭式止回阀关闭时间分析方法  

Analysis Method of Check Valves Turn-off Time

作　　者：宋一新[1] 周强强[2] 王勇[1] 张志超[2] Song Yixin Zhou Qiangqiang Wang Yong Zhang Zhichao(Harbin Power Station Valve Co. ,Ltd. , Harbin 150046,China Shanghai Nuclear Engineering Research ＆ Design Institute, Shanghai 200233, China)

机构地区：[1]哈电集团哈尔滨电站阀门有限公司,黑龙江哈尔滨150046 [2]上海核工程研究设计院,上海200233

出　　处：《锅炉制造》2016年第6期58-59,64,共3页Boiler Manufacturing

摘　　要：针对缓闭式止回阀的结构特点,提出了一种适用于缓闭止回阀在关闭时的数学模型,采用数值模拟的方法求解,为缓闭式止回阀关闭时间的计算提供了方法。The article aims to propose a mathematical model for check valves turn - off time, based on structural features of check valves, and to solve with numerical modeling to provide a method to calculate check valves turn - off time.

关 键 词：止回阀 关闭时间 数值模拟 

分 类 号：TH137[机械工程—机械制造及自动化]