<abstract xmlns="http://www.w3.org/1999/xhtml"><p>A three-dimensional numerical simulation of particle motion in a pipe with a rough bed is presented. The simulation based on the Lattice Boltzmann Method (LBM) employs the hybrid diffuse bounce-back approach to model moving boundaries. The bed of the pipe is formed by stationary spherical particles of the same size as the moving particles. Particle movements are induced by gravitational and hydrodynamic forces. To evaluate the hydrodynamic forces, the Momentum Exchange Algorithm is used. The LBM unified computational frame makes it possible to simulate both the particle motion and the fluid flow and to study mutual interactions of the carrier liquid flow and particles and the particle–bed and particle–particle collisions. The trajectories of simulated and experimental particles are compared. The Particle Tracking method is used to track particle motion. The correctness of the applied approach is assessed.</p></abstract>

A three-dimensional numerical simulation of particle motion in a pipe with a rough bed is presented. The simulation based on the Lattice Boltzmann Method (LBM) employs the hybrid diffuse bounce-back approach to model moving boundaries. The bed of the pipe is formed by stationary spherical particles of the same size as the moving particles. Particle movements are induced by gravitational and hydrodynamic forces. To evaluate the hydrodynamic forces, the Momentum Exchange Algorithm is used. The LBM unified computational frame makes it possible to simulate both the particle motion and the fluid flow and to study mutual interactions of the carrier liquid flow and particles and the particle–bed and particle–particle collisions. The trajectories of simulated and experimental particles are compared. The Particle Tracking method is used to track particle motion. The correctness of the applied approach is assessed.

Lattice Boltzmann method used to simulate particle motion in a conduit

Journal of Hydrology and Hydromechanics

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

{"article-title":"Lattice Boltzmann method used to simulate particle motion in a conduit"}

A three-dimensional numerical simulation of particle motion in a pipe with a rough bed is presented. The simulation based on the Lattice Boltzmann Method (LBM)...

Lattice Boltzmann method used to simulate particle motion in a conduit

Publié en ligne: 20 mars 2017

Pages: 105 - 113

Reçu: 21 juin 2016

Accepté: 02 déc. 2016

DOI: https://doi.org/10.1515/johh-2017-0008

Mots clés
Lattice Boltzmann method, Particle motion, Particle–fluid interaction, PIV, Particle tracking

© 2017 Jindřich Dolanský et al., published by De Gruyter Open

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Lattice Boltzmann method used to simulate particle motion in a conduit

Publié en ligne: 20 mars 2017

Pages: 105 - 113

Reçu: 21 juin 2016

Accepté: 02 déc. 2016

DOI: https://doi.org/10.1515/johh-2017-0008

Mots clésLattice Boltzmann method, Particle motion, Particle–fluid interaction, PIV, Particle tracking

© 2017 Jindřich Dolanský et al., published by De Gruyter Open

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Mots clés
Lattice Boltzmann method, Particle motion, Particle–fluid interaction, PIV, Particle tracking