垂直管内蒸汽冷凝回流阻液分析模型的研究  

Analytical Model for Flooding of Reflux Condensation in a Vertical Tube

作　　者：陈海燕[1] 陈玉宙[1] 张忠岳[1] 

机构地区：[1]中国原子能科学研究院

出　　处：《核动力工程》1999年第3期223-227,共5页Nuclear Power Engineering

摘　　要：在汽液两相分离流动模型的基础上，建立了垂直管内蒸汽冷凝回流阻液分析模型。采用该模型对单根Ｕ型管内蒸汽冷凝回流实验参数下的阻液起始点进行计算，计算结果与实验结果符合较好。分析模型还与现有分析模型和经验关系式进行了比较，结果表明，本模型与ＤｕｋｌｅｒＳｍｉｔｈ关系式符合较好，而与Ｋｕｔａｔｅｌａｄｅｚ类型关系式和其它分析模型的偏差相对较大。An analytical model for the flooding of reflux condensation in a vertical tube was proposed based on the seperated flow models.Calculation results show that the present model predicts well the experimental data obtained in a single inverted U tube,and agrees well with the Dukler Smith correlation.However,the discrepancies between the present model and the Kutateladze's type of correlation,and other analytical models are great.

关 键 词：分析模型 冷凝回流 阻液起始点 相间阻力 压水堆 

分 类 号：TL421.103[核科学技术—核技术及应用] TL33