矩形通道干涸后传热计算模型  

Calculation Model of Post-dryout Heat Transfer in Rectangular Channel

作　　者：李虹波[1] 陈炳德[1] 赵华[1] 熊万玉[1] 

机构地区：[1]中国核动力研究设计院空泡物理和自然循环重点实验室,成都610041

出　　处：《动力工程学报》2010年第11期855-860,865,共7页Journal of Chinese Society of Power Engineering

摘　　要：提出干涸后传热物理模型,建立相应数学模型,对干涸后传热特性进行分析,通过矩形通道试验数据确定关系式系数,得到了适用于矩形通道的干涸后传热计算模型.将本文模型计算结果与现有试验数据及其他模型的计算结果进行了比较与分析,并对偏差进行了统计计算,同时分析了热工参数对干涸后传热的影响.结果表明:本文模型计算值与试验数据较吻合,且相对于已有计算模型,本文模型具有良好的适用性.Physical model for post-dryout heat transfer was proposed,and corresponding mathematical model was built up to analyze the post-dryout heat transfer characteristic.The coefficient of the relation was determined according to the test data in rectangular channel.Then a calculation model applicable to post-dryout heat transfer in the rectangular channel was obtained.Comparison and analysis were carried out for the calculated results by the model and the available test data as well as calculated results by other model.The deviation was counted and calculated,and the effects of the thermal parameters on post-dryout heat transfer were analyzed.Results show that the calculated values by the model agree well with the test data.Compared with other existing calculating model,the model has good adaptability.

关 键 词：干涸后传热 矩形通道 计算模型 平均偏差 

分 类 号：TK124[动力工程及工程热物理—工程热物理]