电场作用下多孔介质中单相流体的渗流速度
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TE348

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Velocity of Single-phase Fluid Flow in Porous Media under Electric Fields
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    摘要:

    研究了外电场对多孔介质中单相流体渗流速度的影响。根据渗流力学和电渗理论,推导了外电场作用下多孔介质中单相流体渗流方程,建立了有限元数值模型,采用有限元方法进行了数值模拟。计算结果与实验结果拟合很好,二者之间的相对误差在5%左右。在此基础上探讨了外电场对多孔介质中单相流体渗流速度的影响,结果表明:在压力保持不变情况下电场可以将流体渗流速度增大1~7.5倍;相同电位梯度情况下,压力梯度越大,渗流速度之比越小。

    Abstract:

    The effect of electric field on the velocity of single-phase fluid flow in porous media is studied.Based on the mechanics of fluid flow and the theory of electroosmosis,the equation of single-phase fluid flow in porous media under electric field was deduced.The numerical model of finite element was presented.Single-phase fluid flow in porous media under electric field was simulated by finite element method.A good representation of the experimental result was obtained through the numerical simulation.The error between the experimental result and that of numerical simulation is about 5%.Comprehensive work is presented that investigates the effect of electric field on single-phase fluid flow in porous media.The results suggest that if the pressure is a constant,the velocity of single-phase fluid flow through the porous media could be increased with the application of electric field by 100% to 750%.

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黄柳宾 王殿生 卢占国. 电场作用下多孔介质中单相流体的渗流速度[J]. 科学技术与工程, 2007, (21): 5510-55125529.
HUANG Liu-bin, WANG Dian-sheng, LU Zhan-guo. Velocity of Single-phase Fluid Flow in Porous Media under Electric Fields[J]. Science Technology and Engineering,2007,(21):5510-55125529.

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  • 最后修改日期:2007-07-30
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