A network model for gas invasion into porous media filled with yield-stress fluid

被引：3
|
作者：
Pourzahedi, A. [1 ]
Frigaard, I. A. [1 ,2 ]
机构：
[1] Univ British Columbia, Dept Mech Engn, 2324 Main Mall, Vancouver, BC V6T 1Z4, Canada
[2] Univ British Columbia, Dept Math, 2324 Main Mall, Vancouver, BC V6T 1Z4, Canada
来源：
JOURNAL OF NON-NEWTONIAN FLUID MECHANICS | 2024年 / 323卷
基金：
加拿大自然科学与工程研究理事会;
关键词：
Bubbles; Yield-stress fluids; Porous media; Network; NON-NEWTONIAN FLUIDS; SHEAR-THINNING LIQUID; 2-PHASE FLOW; VISCOPLASTIC MATERIAL; POISEUILLE FLOW; OIL-RECOVERY; DISPLACEMENT; STABILITY; DYNAMICS; RHEOLOGY;
D O I：
10.1016/j.jnnfm.2023.105155
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
This study investigates the gas invasion into a porous medium filled with a yield-stress fluid. A pore-throat network model is employed to represent the porous media, and a semi-analytical approach is used for simulating the gas propagation. The effect of throat radii, fluid yield stress and network size on the exit time and gas volume fraction retained inside the porous medium are explored. The stability of the network in response to inflow perturbations is also examined. The uniform network appears to be optimal from the perspective of preventing flow.
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收藏
页数：19
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