Rotational Slip Flow in Coaxial Cylinders by the Finite-Difference Lattice Boltzmann Methods

作     者：Minoru Watari 

作者机构：LBM Fluid Dynamics Laboratory3-2-1 Mitahora-higashiGifu 502-0003Japan 

出 版 物：《Communications in Computational Physics》 (计算物理通讯（英文）)

年 卷 期：2011年第9卷第5期

页      面：1293-1314页

核心收录：

学科分类：080704[工学-流体机械及工程] 080103[工学-流体力学] 08[工学] 0807[工学-动力工程及工程热物理] 0801[工学-力学（可授工学、理学学位）] 

主　　题：Finite-difference lattice Boltzmann method rarefied gas flow rotational slip flow cylindrical coordinate 

摘      要：Recent studies on applications of the lattice Boltzmann method(LBM)and the finite-difference lattice Boltzmann method(FDLBM)to velocity slip simulations are mostly on one-dimensional(1D)problems such as a shear flow between parallel *** to a 2D problem may raise new *** author performed numerical simulations of rotational slip flow in coaxial cylinders as an example of 2D *** types of 2D models were *** first were multi-speed FDLBM models proposed by the *** second was a standard LBM,the D2Q9 *** simulations were performed applying a finite difference scheme to both the *** study had two *** first was to investigate the accuracies of LBM and FDLBM on applications to rotational slip *** second was to obtain an experience on application of the cylindrical coordinate *** FDLBM model with 8 directions and the D2Q9 model showed an anisotropic flow pattern when the relaxation time constant or the Knudsen number was *** FDLBM model with 24 directions showed accurate results even at large Knudsen numbers.