单面加热矩形通道热入口段层流对流换热特性的场协同分析

工程热物理学报 , 2004, 25(3): 478-480.

1.清华大学工程力学系,传热强化与过程节能教育部重点实验室,北京,100084

2.清华大学工程力学系,传热强化与过程节能教育部重点实验室,北京,100084

3.清华大学工程力学系,传热强化与过程节能教育部重点实验室,北京,100084

基金项目: 高等学校博士学科点专项科研项目国家高技术研究发展计划(863计划)(2002AA744042)

FIELD COORDINATION ANALYSIS OF CONVECTIVE HEAT TRANSFER IN THERMAL ENTRANCE REGION IN RECTANGULAR DUCTS WITH ONE SIDE HEATED

对单面加热矩形通道热入口段的层流对流换热问题进行了数值模拟研究,给出了不同截面比的局部努赛尔数.推导出单面加热时的场协同方程,以此分析了不同截面比下加热边界条件对努赛尔数的影响规律.

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