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 diff...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.展开更多
基金supported by the National Natural Science Foundation of China(Grant No.50874071)the National High Technology Research and Development Program of China(863 Program,Grant No.2008AA06Z201)+3 种基金the Program of Science and Technology Commission of Shanghai Municipality(Grant No.071605102)the project of Shanghai Education Commission Research Innovation(Grand No.08ZZ45)the Program for Changjiang Scholars and Innovative Research Team in Universities(Grant No.IRT0844)the China Postdoctoral Science Foundation(Grant No.20090450687)
文摘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.
