板翅式换热器表面传热与流阻特性数值模拟  

Numerical Simulation on Heat Transfer and Pressure Drop of a Plate-fin Heat Transfer

作　　者：季中敏[1] 刘晓东[1] 

机构地区：[1]哈尔滨工业大学低温超导研究所,黑龙江哈尔滨150080

出　　处：《节能技术》2010年第2期107-113,共7页Energy Conservation Technology

基　　金："985二期"低温与超导工程技术创新平台

摘　　要：本文将计算流体力学应用到换热器领域,对具有相变换热混合工质低温板翅式换热器表面传热与流阻特性进行数值模拟,得到沿长度方向一定温度下传热系数、压力梯度的变化曲线,并将数值模拟结果与目前国际上通用的换热器设计仿真软件MUSE计算结果相比对,证明了本文所用数值模拟方法的正确性,为具有相变换热混合工质的换热器设计和优化提供一定参考。The computational fliud dynamics theory is applid to a heat exchanger performance prediction,which is used to simulate the surface heat transfer and the pressure drop of the plate-finheat transfer.The numerical simulation results are compared with that of MUSE calculation and the error analysis is conducted.The pressure drop and the heat transfer coefficient curves are presented at various temperatures.The study indicates that computational fliud dynamics is aneffective method.

关 键 词：换热器 计算流体力学 流阻特性 

分 类 号：TK172[动力工程及工程热物理—热能工程] TK124