NONLINEAR SIMULATION OF THERMO-VISCOUS FINGERING INSTABILITY IN ANISOTROPIC POROUS MEDIA

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DORRANI SEDIGHE; NOROUZI MAHMOOD

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Journal: Modares Mechanical Engineering Year:2018 | Volume:18 | Issue:3 Page(s): 9-18

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Information Journal Paper

Title

NONLINEAR SIMULATION OF THERMO-VISCOUS FINGERING INSTABILITY IN ANISOTROPIC POROUS MEDIA

Author(s)

DORRANI SEDIGHE | NOROUZI MAHMOOD | Issue Writer Certificate

Keywords

THERMAO-VISCOUS FINGERINGQ1

NONLINEAR SIMULATIONQ1

THERMAL LAG COEFFICIENTQ1

Abstract

In this paper, thermal-viscous fingering instability of miscible flow displacements in anisotropic porous media is studied. for the first time An exponential dependence of viscosity on temperature and concentration is represented by two parameters bT and bC, respectively. The effect of anisotropic properties of permeability tensor, Lewis number and THERMAL LAG COEFFICIENT are investigated. Creation and propagation of these fingers are playing an important role in displacement of fluids and especially on oil transformation from discovered oil reservoirs in enhanced oil recovery process. In NONLINEAR SIMULATION, a spectral method based on the Hartley transforms are used to model the thermal-viscous fingering instability in anisotropic porous media. The results include concentration and temperature contours, sweep efficiency, and mixing length. The results indicated that by increasing the anisotropic permeability ratio, the fingers arrive later to the end of the front, instability decrease and more stable flow is obtained. Also, by increasing the Lewis number, thermal front appears without any fingers.Decreasing the THERMAL LAG COEFFICIENT causes to the thermal front stays behind the flow front and increasing the stability of the flow field.

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APA: Copy

DORRANI, SEDIGHE, & NOROUZI, MAHMOOD. (2018). NONLINEAR SIMULATION OF THERMO-VISCOUS FINGERING INSTABILITY IN ANISOTROPIC POROUS MEDIA. MODARES MECHANICAL ENGINEERING, 18(3 ), 9-18. SID. https://sid.ir/paper/178980/en

Vancouver: Copy

DORRANI SEDIGHE, NOROUZI MAHMOOD. NONLINEAR SIMULATION OF THERMO-VISCOUS FINGERING INSTABILITY IN ANISOTROPIC POROUS MEDIA. MODARES MECHANICAL ENGINEERING[Internet]. 2018;18(3 ):9-18. Available from: https://sid.ir/paper/178980/en

IEEE: Copy

SEDIGHE DORRANI, and MAHMOOD NOROUZI, “NONLINEAR SIMULATION OF THERMO-VISCOUS FINGERING INSTABILITY IN ANISOTROPIC POROUS MEDIA,” MODARES MECHANICAL ENGINEERING, vol. 18, no. 3 , pp. 9–18, 2018, [Online]. Available: https://sid.ir/paper/178980/en

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