摘要
本文建立了矩形封闭腔内非饱和多孔介质的二维传热传质数理模型，并对Ｒ１１３的蒸发相交进行了数值模拟。根据计算结果着重讨论了流体瑞利数Ｒａ，介质达西数Ｄａ以及腔体冷热端温差△Ｔ的变化对其传热传质特性的影响，得出一些有用的可指导工程实践的结论。
A 2D heat and mass transfer mathematic model in enclosure rectangle packed with porous media is established. To be further, the numerical simulation is carried out. According to concerned analysis based on the calculated result, the effects on the heat and mass transfer characteristics caused by the change of the Raleigh number, the Darcy number, the temperature deference between the hot and the cold wall of the enclosure is emphatically discussed.
出处
《工程热物理学报》
EI
CAS
CSCD
北大核心
2001年第4期461-464,共4页
Journal of Engineering Thermophysics
基金
国家重点基础研究发展规划资助项目(No.G2000 0263 03)
国家自然科学基金资助项目(No.59976010)
湖北
关键词
矩形封闭腔
非饱和多孔介质
传热系统
数值模拟
enclosure rectangle
unsaturated porous media
heat and mass transfer
numerical sim- ulatio
