Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.1029/2020WR027403 |
Unravelling effects of the pore‐size correlation length on the two‐phase flow and solute transport properties; GPU‐based pore‐network modelling | |
Senyou An; Sharul Hasan; Hamidreza Erfani; Masoud Babaei; Vahid Niasar | |
2020-06-23 | |
发表期刊 | Water Resources Research
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出版年 | 2020 |
英文摘要 | Continuum‐scale models for two‐phase flow and transport in porous media are based on the empirical constitutive relations that highly depend on the porous medium heterogeneity at multiple scales including the microscale pore‐size correlation length. The pore‐size correlation length determines the representative elementary volume and controls the immiscible two‐phase invasion pattern and fluids occupancy. The fluids occupancy not only controls the shape of relative permeability curves but also the transport zonation under two‐phase flow conditions, which results in the non‐Fickian transport. This study aims to quantify the signature of the pore‐size correlation length on two‐phase flow and solute transport properties such as the capillary pressure‐ and relative permeability‐saturation, dispersivity, stagnant saturation, and mass transfer rate. Given the capability of pore‐scale models in capturing the pore morphology and detailed physics of flow and transport, a novel GPU‐based pore‐network model has been developed. This GPU‐based model allows us to simulate flow and transport in networks with multi‐millions pores, equivalent to the centimetre length scale. The impact of the pore‐size correlation length on all aforementioned properties was studied and quantified. Moreover, by classification of the pore space to flowing and stagnant regions, a simple semi‐analytical relation for the mass transfer between the flowing and stagnant regions was derived, which showed a very good agreement with pore‐network simulation results. Results indicate that the characterization of the topology of the stagnant regions as a function of pore‐size correlation length is essential for a better estimation of the two‐phase flow and solute transport properties. |
领域 | 资源环境 |
URL | 查看原文 |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/278141 |
专题 | 资源环境科学 |
推荐引用方式 GB/T 7714 | Senyou An,Sharul Hasan,Hamidreza Erfani,等. Unravelling effects of the pore‐size correlation length on the two‐phase flow and solute transport properties; GPU‐based pore‐network modelling[J]. Water Resources Research,2020. |
APA | Senyou An,Sharul Hasan,Hamidreza Erfani,Masoud Babaei,&Vahid Niasar.(2020).Unravelling effects of the pore‐size correlation length on the two‐phase flow and solute transport properties; GPU‐based pore‐network modelling.Water Resources Research. |
MLA | Senyou An,et al."Unravelling effects of the pore‐size correlation length on the two‐phase flow and solute transport properties; GPU‐based pore‐network modelling".Water Resources Research (2020). |
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