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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的蒸发相变进行了数值模拟.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.

参考文献

[1] J R Philip;D A De Vries .Moisture Movement in Porous Materiais under Temperature Gradients[J].Transactions-American Geophysical Union,1957,38:222-232.
[2] D A De Vries .Simultaneous Transfer of Heat and Moisture in Porous Media[J].Transactions-American Geophysical Union,1958,39:909-916.
[3] W Liu et al.A General Mathematical Modeling for Heat and Mass Transfer in Unsaturated Porous Media: an Application to Free Evaporative Cooling[J].International Journal of Heat and Mass Transfer,1995,31(01):49-55.
[4] W Liu et al.Moisture Evaporation and Migration in Thin Porous Packed Bed Influenced by Ambient and Operative Conditions[J].International Journal of Energy Research,1997,21(01):41-53.
[5] W. Liu;X.X. Zhao;K. Mizukami .2D numerical simulation for simultaneous heat, water and gas migration in soil bed under different environmental conditions[J].Heat and mass transfer,1998(4):307-316.
[6] 张浙 .含湿多孔介质的热质传递机理及其应用研究[D].华中理工大学,1994.
[7] 陶文铨.数值传热学[M].西安:西安交通大学出版社,1988
[8] 马庆芳;方荣生.实用热物理性质手册[M].北京:中国农业机械出版社,1986
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