Journal
JOURNAL OF HYDRODYNAMICS
Volume 22, Issue 3, Pages 366-372Publisher
SPRINGER
DOI: 10.1016/S1001-6058(09)60066-4
Keywords
contact angle; wettability; miro-channel; multiphase-flow; Lattice Boltzmann Model (LBM)
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Funding
- National Natural Science Foundation of China [50874071]
- National High Technology Research and Development Program of China (863 Program) [2008AA06Z201]
- Science and Technology Commission of Shanghai Municipality [071605102]
- Shanghai Education Commission Research Innovation [08ZZ45]
- Program for Changjiang Scholars and Innovative Research Team in Universities [IRT0844]
- China Postdoctoral Science Foundation [20090450687]
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The dynamics of two-phase flows with a constant driving force inside a micro-channel is studied by using the Lattice Boltzmann Method (LBM) and the Shan-Chen multiphase model in this article. Flow regimes under different wall wettabilities and over smooth and grooved geometric surfaces are investigated. It is found that flow behaviors are strongly affected by the wall wettability and topography. Our results show that the LBM is efficient and accurate, and has very good application prospect in the study of drag reduction of microscopic seepage of reservoir.
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