Pore-Scale Simulation of Interphase Multicomponent Mass Transfer Using a Non-Newtonian Model

IF 2.7 3区 工程技术 Q3 ENGINEERING, CHEMICAL
Alínia Rodrigues dos Santos, Matheus da Cunha Brito, Manoel Silvino Batalha de Araujo
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Abstract

This study investigates multiphase flow with non-Newtonian fluid at pore scale, using the Compressive Continuum Species Transfer (C-CST) method in a microchannel and 2D porous media, with emphasis on drainage and mass transfer between fluids through the Volume of Fluid (VOF) method. The object of study is the multiphase flow in oil reservoirs, where immiscible fluids coexist in the porous media. The use of recovery methods becomes relevant in scenarios of low reservoir energy or when the physical properties of the oil compromise the flow. The influence of petroleum rheology, especially heavy crude oil with non-Newtonian viscoelastic behaviour, is considered. Recovery methods, such as the injection of CO2, aim to optimize the flow by modifying the rheological properties of the fluid. This article aims to conduct a numerical analysis using the C-CST method with Direct Numerical Simulation (DNS) and volume tracking techniques to capture an interface between fluids. The main objective is to numerically implement a non-Newtonian rheological model in the linear momentum conservation equation, comparing the flow between non-Newtonian and Newtonian fluids at pore scale, and analysing the mass transfer at the flow interface with this new approach.

Abstract Image

Abstract Image

利用非牛顿模型对相间多组分传质进行孔隙尺度模拟
本研究采用压缩连续物种转移(C-CST)方法,在微通道和二维多孔介质中研究孔隙尺度非牛顿流体的多相流,重点是通过流体体积(VOF)方法研究流体之间的排水和传质。研究对象是油藏中的多相流,其中多孔介质中存在不相溶流体。在油藏能量较低或石油的物理特性影响流动的情况下,采油方法的使用就变得非常重要。本文考虑了石油流变学的影响,尤其是具有非牛顿粘弹性行为的重质原油。二氧化碳注入等采油方法旨在通过改变流体的流变特性来优化流动。本文旨在利用 C-CST 方法、直接数值模拟(DNS)和体积跟踪技术进行数值分析,以捕捉流体之间的界面。主要目的是在线性动量守恒方程中数值化非牛顿流变模型,比较非牛顿流体和牛顿流体在孔隙尺度上的流动情况,并用这种新方法分析流动界面的传质情况。
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来源期刊
Transport in Porous Media
Transport in Porous Media 工程技术-工程:化工
CiteScore
5.30
自引率
7.40%
发文量
155
审稿时长
4.2 months
期刊介绍: -Publishes original research on physical, chemical, and biological aspects of transport in porous media- Papers on porous media research may originate in various areas of physics, chemistry, biology, natural or materials science, and engineering (chemical, civil, agricultural, petroleum, environmental, electrical, and mechanical engineering)- Emphasizes theory, (numerical) modelling, laboratory work, and non-routine applications- Publishes work of a fundamental nature, of interest to a wide readership, that provides novel insight into porous media processes- Expanded in 2007 from 12 to 15 issues per year. Transport in Porous Media publishes original research on physical and chemical aspects of transport phenomena in rigid and deformable porous media. These phenomena, occurring in single and multiphase flow in porous domains, can be governed by extensive quantities such as mass of a fluid phase, mass of component of a phase, momentum, or energy. Moreover, porous medium deformations can be induced by the transport phenomena, by chemical and electro-chemical activities such as swelling, or by external loading through forces and displacements. These porous media phenomena may be studied by researchers from various areas of physics, chemistry, biology, natural or materials science, and engineering (chemical, civil, agricultural, petroleum, environmental, electrical, and mechanical engineering).
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