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首页> 外文会议>The 2001 ASME International Mechanical Engineering Congress and Exposition, 2001, Nov 11-16, 2001, New York, New York >A MIXTURE THEORY MODEL FOR THE FLOW THROUGH AN UNSATURATED WELLBORE
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A MIXTURE THEORY MODEL FOR THE FLOW THROUGH AN UNSATURATED WELLBORE

机译：非饱和井筒流动的混合理论模型

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摘要

This work studies the dynamics of the filling up of a rigid cylindrical porous matrix by a Newtonian fluid, in order to build a preliminary local model for flows through a wellbore, using a mixture theory approach in their modeling. The mixture consists of three overlapping continuous constituents: a solid (porous medium), a liquid and an inert gas, included to account for the compressibility of the mixture as a whole. -A set of two nonlinear partial differential equations describes the problem which is approximated by means of a Glimm's scheme, combined with an operator splitting technique.
机译：这项工作研究了牛顿流体填充刚性圆柱状多孔基质的动力学，以便使用混合理论方法在其建模中建立通过井眼流动的初步局部模型。该混合物由三种重叠的连续成分组成：固体（多孔介质），液体和惰性气体，它们被包括在内以说明整个混合物的可压缩性。 -一组两个非线性偏微分方程描述了通过格利姆（Glimm）方案与算子拆分技术相结合的近似问题。

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