多孔介质中非等温互溶流体驱替过程的格子Boltzmann研究

Long Ju; Chunhua Zhang; Songze Chen; Zhaoli Guo

doi:10.19596/j.cnki.1001-246x.7963

多孔介质中非等温互溶流体驱替过程的格子Boltzmann研究

Translated title of the contribution: Lattice Boltzmann Study on Displacement Process of Thermal Miscible Fluids in Porous Media

Long Ju, Chunhua Zhang, Songze Chen, Zhaoli Guo^*

^*Corresponding author for this work

Physical Sciences and Engineering

Research output: Contribution to journal › Article › peer-review

5 Scopus citations

Abstract

With lattice Boltzmann method, thermal miscible displacement process in porous media was investigated numerically in pore scale. Influence of thermal viscous diffusion coefficient (β_T) and Lewis number (Le) on interface shape and sweep efficiency are quantitatively analyzed. It shows that with the increase of β_T, the instability of interface increases and the sweep efficiency decreases. As β_T>0, with increase of Le, interface instability decreases; Interface between displacement fluid and displaced fluid tends to be flat; Fingertip residual rate decreases and sweep efficiency increases. As β_T<0, effects of Le on sweep efficiency are opposite.

Translated title of the contribution	Lattice Boltzmann Study on Displacement Process of Thermal Miscible Fluids in Porous Media
Original language	Chinese (Traditional)
Pages (from-to)	648-658
Number of pages	11
Journal	Jisuan Wuli/Chinese Journal of Computational Physics
Volume	36
Issue number	6
DOIs	https://doi.org/10.19596/j.cnki.1001-246x.7963
State	Published - Nov 25 2019

Keywords

Fluid displacement
Lattice Boltzmann method
Non-isothermal
Pore scale
Sweep efficiency

ASJC Scopus subject areas

Modeling and Simulation
General Physics and Astronomy
Applied Mathematics

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title = "多孔介质中非等温互溶流体驱替过程的格子Boltzmann研究",

abstract = "With lattice Boltzmann method, thermal miscible displacement process in porous media was investigated numerically in pore scale. Influence of thermal viscous diffusion coefficient (βT) and Lewis number (Le) on interface shape and sweep efficiency are quantitatively analyzed. It shows that with the increase of βT, the instability of interface increases and the sweep efficiency decreases. As βT>0, with increase of Le, interface instability decreases; Interface between displacement fluid and displaced fluid tends to be flat; Fingertip residual rate decreases and sweep efficiency increases. As βT<0, effects of Le on sweep efficiency are opposite.",

keywords = "Fluid displacement, Lattice Boltzmann method, Non-isothermal, Pore scale, Sweep efficiency",

author = "Long Ju and Chunhua Zhang and Songze Chen and Zhaoli Guo",

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doi = "10.19596/j.cnki.1001-246x.7963",

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T1 - 多孔介质中非等温互溶流体驱替过程的格子Boltzmann研究

AU - Ju, Long

AU - Zhang, Chunhua

AU - Chen, Songze

AU - Guo, Zhaoli

PY - 2019/11/25

Y1 - 2019/11/25

N2 - With lattice Boltzmann method, thermal miscible displacement process in porous media was investigated numerically in pore scale. Influence of thermal viscous diffusion coefficient (βT) and Lewis number (Le) on interface shape and sweep efficiency are quantitatively analyzed. It shows that with the increase of βT, the instability of interface increases and the sweep efficiency decreases. As βT>0, with increase of Le, interface instability decreases; Interface between displacement fluid and displaced fluid tends to be flat; Fingertip residual rate decreases and sweep efficiency increases. As βT<0, effects of Le on sweep efficiency are opposite.

AB - With lattice Boltzmann method, thermal miscible displacement process in porous media was investigated numerically in pore scale. Influence of thermal viscous diffusion coefficient (βT) and Lewis number (Le) on interface shape and sweep efficiency are quantitatively analyzed. It shows that with the increase of βT, the instability of interface increases and the sweep efficiency decreases. As βT>0, with increase of Le, interface instability decreases; Interface between displacement fluid and displaced fluid tends to be flat; Fingertip residual rate decreases and sweep efficiency increases. As βT<0, effects of Le on sweep efficiency are opposite.

KW - Fluid displacement

KW - Lattice Boltzmann method

KW - Non-isothermal

KW - Pore scale

KW - Sweep efficiency

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JF - Jisuan Wuli/Chinese Journal of Computational Physics

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ER -

多孔介质中非等温互溶流体驱替过程的格子Boltzmann研究

Abstract

Keywords

ASJC Scopus subject areas

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