NUMERICAL STUDY OF NON-AQUEOUS PHASE LIQUID TRANSPORT IN A SINGLE FILLED FRACTURE BY LATTICE BOLTZMANN METHOD

In this article, the Non-Aqueous Phase Liquid (NAPL) transport in the single filled fracture was studied with the Shan-Chen multi-component multiphase Lattice Boltzmann Method (LBM) with special consideration of wettability effects. With the help of the model, the contact angle of the non-wetting ph...

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Bibliographic Details
Published in:Journal of hydrodynamics. Series B 2012-02, Vol.24 (1), p.130-137
Main Authors: DOU, Zhi, ZHOU, Zhi-fang, HUANG, Yong, WU, Wei
Format: Article
Language:English
Subjects:
contact angle
Engineering
Engineering Fluid Dynamics
Fracture mechanics
Hydrology/Water Resources
immiscible two-phase flow
Lattice Boltzmann Method (LBM)
Lattices
LBM
Liquids
Mathematical models
Multiphase
Non-Aqueous Phase Liquid (NAPL) transport
Numerical and Computational Physics
Simulation
single filled fracture
Transport
Wettability
传输
填充
数值研究
断裂
格子Boltzmann方法
润湿性
非水相液体
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Summary:In this article, the Non-Aqueous Phase Liquid (NAPL) transport in the single filled fracture was studied with the Shan-Chen multi-component multiphase Lattice Boltzmann Method (LBM) with special consideration of wettability effects. With the help of the model, the contact angle of the non-wetting phase and wetting phase interface at a solid wall could be adjusted. By considering a set of appropriate boundary conditions, the fractured conductivity was investigated in condition that the NAPL blocks the channels in the single filled fracture. In order to study the wettability effects on the NAPL transport, a constant driving force was introduced in the Shan-Chen multi-component multiphase LBM. Flow regimes with different wettabilities were discussed. Simulated results show that the LBM is a very instrumental method for simulating and studying the immiscible multiphase flow problems in single filled fracture.
ISSN:1001-6058
1878-0342
DOI:10.1016/S1001-6058(11)60227-8