管壳式换热器流场三维数值模拟  

Three Dimensional Numerical Simulation of Flow in the Shell-Tube Heat Exchanger

作　　者：解衡[1] 高祖瑛[1] 

机构地区：[1]清华大学核能技术研究院,北京100084

出　　处：《核科学与工程》2002年第3期240-243,249,共5页Nuclear Science and Engineering

摘　　要：采用多孔介质方法 ,在PHOENICS 3 3程序的基础上建立了换热器的三维流动计算模型。引入体积穿透率、表面穿透率、分布阻力等来描述换热器内的管束。模型通过计算Halle等[1] 的实验工况来进行验证 ,并尝试用于计算 2 0A three dimensional numerical model based on PHOENICS 3.3 code using porousmedia method was established to simulate fluid flow in the shell tube heat exchanger. Tubes in the heat exchange were described by means of distributed resistance along with volumetric porosity and surface permeability. The model was validated by comparison of computed pressure drops with the experiments by Halle . And a modified code was used to calculate the fluid flow in the main heat exchanger of the 200 MW nuclear heating reactor(NHR 200).

关 键 词：管壳式换热器 流场 三维数值模拟 多孔介质 低温供热堆 PHOENZCS-3.3程序 流体力学 核反应堆 

分 类 号：TL353.13[核科学技术—核技术及应用] TL3