膨胀多孔介质中的宏观流动势
Macroscopic Flow Potentials in Swelling Porous Media
摘要：
在膨胀多孔介质中，流动的潜力远大于压力，流动方程的推导产生了多种方程。在本文中，我们表明，宏观流动电位是电化学电位的流体的组分和其他形式的流动方程，如通过混合物理论或均匀化，是一个结果的特定形式的化学势的物种。它还表明，取决于是否考虑在电化学平衡与溶胀多孔介质的储层中的液体的压力，或溶胀多孔介质内的邻近液体的压力，存在或不存在临界压力梯度阈值。
英文摘要：
In swelling porous media, the potential for flow is much more than pressure, and derivations for flow equations have yielded a variety of equations. In this paper we show that the macroscopic flow potentials are the electro-chemical potentials of the components of the fluid and that other forms of flow equations, such as those derived through mixture theory or homogenization, are a result of particular forms of the chemical potentials of the species. It is also shown that depending upon whether one is considering the pressure of a liquid in a reservoir in electro-chemical equilibrium with the swelling porous media, or the pressure of the vicinal liquid within the swelling porous media, a critical pressure gradient threshold exists or does not.
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