Advanced three-dimensional multiphase flow simulation in porous media reconstructed from X-ray Microtomography using the He–Chen–Zhang Lattice Boltzmann Model

2010 ◽  
Vol 21 (3) ◽  
pp. 255-261 ◽  
Author(s):  
C.L. Lin ◽  
A.R. Videla ◽  
J.D. Miller
Keyword(s):  
Porous Media ◽  
Multiphase Flow ◽  
Lattice Boltzmann ◽  
Three Dimensional ◽  
Flow Simulation ◽  
Lattice Boltzmann Model ◽  
X Ray ◽  
Boltzmann Model

scholarly journals A novel three-dimensional lattice Boltzmann model for solute transport in variably saturated porous media

2002 ◽  
Vol 38 (9) ◽  
pp. 6-1-6-10 ◽  
Author(s):  
Xiaoxian Zhang ◽  
A. Glyn Bengough ◽  
Lynda K. Deeks ◽  
John W. Crawford ◽  
Iain M. Young
Keyword(s):  
Porous Media ◽  
Solute Transport ◽  
Lattice Boltzmann ◽  
Three Dimensional ◽  
Lattice Boltzmann Model ◽  
Saturated Porous Media ◽  
Dimensional Lattice ◽  
Boltzmann Model

Simulation of Flow in Multi-Scale Porous Media Using the Lattice Boltzmann Method on Quadtree Grids

2016 ◽  
Vol 19 (4) ◽  
pp. 998-1014 ◽  
Author(s):  
Lei Zhang ◽  
Qinjun Kang ◽  
Li Chen ◽  
Jun Yao
Keyword(s):  
Porous Media ◽  
Lattice Boltzmann ◽  
Voronoi Tessellation ◽  
Flow Simulation ◽  
Lattice Boltzmann Model ◽  
Flow In Porous Media ◽  
Multi Scale ◽  
Multiple Length Scales ◽  
Boltzmann Method ◽  
Boltzmann Model

AbstractThe unified lattice Boltzmann model is extended to the quadtree grids for simulation of fluid flow through porous media. The unified lattice Boltzmann model is capable of simulating flow in porous media at various scales or in systems where multiple length scales coexist. The quadtree grid is able to provide a high-resolution approximation to complex geometries, with great flexibility to control local grid density. The combination of the unified lattice Boltzmann model and the quadtree grids results in an efficient numerical model for calculating permeability of multi-scale porous media. The model is used for permeability calculation for three systems, including a fractured system used in a previous study, a Voronoi tessellation system, and a computationally-generated pore structure of fractured shale. The results are compared with those obtained using the conventional lattice Boltzmann model or the unified lattice Boltzmann model on rectangular or uniform square grid. It is shown that the proposed model is an accurate and efficient tool for flow simulation in multi-scale porous media. In addition, for the fractured shale, the contribution of flow in matrix and fractures to the overall permeability of the fractured shale is studied systematically.

Modeling of collapsing cavitation bubble near solid wall by 3D pseudopotential multi-relaxation-time lattice Boltzmann method

2017 ◽  
Vol 232 (3) ◽  
pp. 445-456 ◽  
Author(s):  
Minglei Shan ◽  
Yu Yang ◽  
Hao Peng ◽  
Qingbang Han ◽  
Changping Zhu
Keyword(s):  
Relaxation Time ◽  
Lattice Boltzmann ◽  
Cavitation Bubble ◽  
Solid Wall ◽  
Three Dimensional ◽  
Lattice Boltzmann Model ◽  
Bubble Collapse ◽  
Lattice Boltzmann Simulation ◽  
Boltzmann Method ◽  
Boltzmann Model

Understanding the dynamic characteristic of the cavitation bubble near a solid wall is a fundamental issue for the bubble collapse application and prevention. In the present work, an improved three-dimensional multi-relaxation-time pseudopotential lattice Boltzmann model is adopted to investigate the cavitation bubble collapse near the solid wall. With respect to thermodynamic consistency, Laplace law verification, the three-dimensional pseudopotential multi-relaxation-time lattice Boltzmann model is investigated. By the theoretical analysis, it is proved that the model can be regarded as a solver of the Rayleigh–Plesset equation, and confirmed by comparing the results of the lattice Boltzmann simulation and the Rayleigh–Plesset equation calculation for the case of cavitation bubble collapse in the infinite medium field. The bubble collapse near the solid wall is modeled using the improved pseudopotential multi-relaxation-time lattice Boltzmann model. We find the lattice Boltzmann simulation and the experimental results have the same dynamic process by comparing the bubble profiles evolution. Form the pressure field and the velocity field evolution it is found that the tapered higher pressure region formed near the top of the bubble is a crucial driving force inducing the bubble collapse. This exploratory research demonstrates that the lattice Boltzmann method is an alternative tool for the study of the interaction between collapsing cavitation bubble and matter.

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