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首页> 外文期刊>International Journal of Heat and Mass Transfer >Heat and mass transfer in porous media with ice inclusions near the freezing-point
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Heat and mass transfer in porous media with ice inclusions near the freezing-point

机译：在冰点附近有冰夹杂的多孔介质中的传热和传质

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摘要

Heat and mass transfer in biporous medium of regular structure near the phase transition point is studied theoretically. Large pores contain ice. Small pores are filled with pure water. The thermal and filtration problems for a separate cell of the medium are solved by the anisotropic conductivity method. Heat and mass flows depend linearly on the gradients of the temperature and the water pressure. The Onsager reciprocal relations are confirmed for systems with phase transformations. With the advent of the solid phase (ice) in porous media, the straight transport coefficients multiply several times, and the cross coefficients increase more than one order of magnitude.
机译：从理论上研究了相变点附近规则结构双孔介质中的传热传质。大毛孔中含有冰。小孔充满纯净水。通过各向异性电导率方法解决了介质的单独单元的热和过滤问题。热和质量流量线性依赖于温度和水压的梯度。对于具有相变的系统，确认了Onsager倒数关系。随着多孔介质中固相（冰）的出现，直接传输系数增加了数倍，而交叉系数增加了一个以上的数量级。

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