[KSCI] Korea Science Citation Index Service

Computation of Stratified Flows using Finite Difference Lattice Boltzmann Method

Kang, Ho-Keun (School of Mechanical and Aerospace Engineering, Institute of Marine Industry, Gyeongsang National University)
Kim, Won-Cheol (School of Mechanical and Aerospace Engineering, Institute of Marine Industry, Gyeongsang National University)

Publication Information

Journal of Advanced Marine Engineering and Technology / v.27, no.4, 2003 , pp. 511-519 More about this Journal

Abstract

A stratified flow is simulated using the finite difference lattice Boltzmann method (FDLBM). The effect of body force (gravity) in a simple one-dimensional model with the lattice BGK 9 velocity is examined. The effect of body force in the compressible fluid is greatly different from that of the incompressible fluid In a compressible fluid under gravitational force, the density stratification is not sufficient and the entropy stratification is essential. The numerical simulation of a line sink compressible stratified flow in two-dimensional channel is also carried out. The results show that selective withdrawal is established when the entropy of the upper part increases. and the simulated results using FDLB method are satisfactory compared with the theoretical one.

Keywords

Computational fluid dynacmics(CFD); Finite Difference Lattice Boltzman method(FDLBM); BGK model; Compressible fluid;

Citations & Related Records

Times Cited By KSCI : 1 (Citation Analysis)

Reference
Cited By KSCI

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