流道方位及运动对沸腾两相流动传热行为的影响  

Effects of Channel Direction and Movements on Boiling Flow and Heat Transfer

作　　者：任志豪[1] 匡波[1] 倪超[1] 秦胜杰[2] 张震[2] 黄彦平[2] 闫晓[2] 

机构地区：[1]上海交通大学核科学与工程学院,上海200240 [2]中国核动力研究设计院中核集团核反应堆热工水力技术重点实验室,成都610041

出　　处：《核动力工程》2012年第2期110-115,共6页Nuclear Power Engineering

基　　金：国家自然科学基金(51076091)

摘　　要：基于两流体模型与固壁非稳态导热模型,结合有关关联式组合与参数综合比选下的模型验证,建立分析流道内沸腾流动传热的瞬态数值模拟程序。通过引入运动下附加加速度模型,研究流道形位与运动等因素对流道内沸腾流动与传热的影响。诸因素对沸腾传热系数、流动压降、固壁温度以及传热流动的瞬态行为影响的计算分析结果对相关堆芯流道的试验设计与应用具有指导意义。Based on the coupling of two-fluid model and wall dynamics model,and the comprehensive comparison and selection of specific correlation combination,along with related verifications,a transient simulation code on boiling flow and heat transfer analysis for the rectangular narrow gap channel is developed.Through numerical experiment method,effects of such factors as location,direction and movements of the channel on the boiling flow and heat transfer within the channels between heated wall are studied in this paper.The prediction results about effects of the above mentioned factors on boiling heat transfer coefficient,pressure drop,element temperature and some transient flow and heat transfer behaviors are expected to provide beneficial guidance on the test,design and application of related core channels.

关 键 词：矩形流道 沸腾流动与传热 附加加速度 数值模拟 

分 类 号：TL33[核科学技术—核技术及应用]