安全阀两相流定径计算方法浅析  

Analysis of Two - phase Flow Sizing Calculation Method for Safety Valve

作　　者：侯亚杰 唐旭丽 陈殿京 HOU Ya-jie;TANG Xu-li;CHEN Dian-jing(Beiiing Aerospace Petrochemical Technoloay<8Equipment Engineering Corporation Limited,Beijing 100076,China;Beijing Aerospace Propulsion Institute,Beijing 100076,China;National Engineering Research Center for Specific Pump and Valve,Beijing 100076,China)

机构地区：[1]北京航天石化技术装备工程有限公司,北京100076 [2]北京航天动力研究所,北京100076 [3]国家特种泵阀工程技术研究中心,北京100076

出　　处：《阀门》2023年第2期210-214,共5页VALVE MAGAZINE

基　　金：华能集团总部科技项目“HNKJ21-H21高温气冷堆核级先导式安全阀制造技术研究”资助。

摘　　要：针对安全阀两相流定径计算方法,详细介绍和分析了等熵积分法、ω法、ωs法和简单叠加法的计算步骤,指出了四种方法的区别、联系与适用工况,并针对两相流定径计算中的排量系数和背压修正系数,给出了对应不同工况的取值方法。For the two-phase flow sizing calculation method of safety valve,the calculation steps of the direct integration of the isentropic nozzle flow method、ωmethod、ωmethod and simple superposition method are introduced in detail.The differences,relations and applicable conditions of the four methods are pointed out.For discharge coefficient and backpressure correction factor,the value methods corresponding to different working conditions are given.

关 键 词：安全阀 两相流 定径计算 排量系数 背压修正系数 

分 类 号：TH134[机械工程—机械制造及自动化]