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发表于 2006-8-1 20:29:21
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谁能给我解释一下多孔介质模型啊，具体一点！！！大侠，多谢。 (无内容)
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seepage model(Darcy';s law: limited to saturated and unsaturated regions, but when used in unsaturated region, the water vapor pressure is the source pressure of the driving vector),Diffusion model(fick';s law), and the law derived from the thermal gradient which is the driving force of temperature field. These laws are basic laws to describe the physical phenomina of porous media. |
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