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LBM based simulation in hydrodynamic applications
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SYSNO ASEP 0447378 Document Type A - Abstract R&D Document Type O - Ostatní Title LBM based simulation in hydrodynamic applications Author(s) Dolanský, Jindřich (UH-J) SAI, ORCID, RID
Chára, Zdeněk (UH-J) SAI, ORCID, RIDSource Title Book of Abstracts of the 24th International Conference on Discrete Simulation of Fluid Dynamics. - Edinburgh : The University of Edinburgh, 2015
S. 146Number of pages 1 s. Publication form Online - E Action 24th International Conference on Discrete Simulation of Fluid Dynamics Event date 13.07.2015-17.07.2015 VEvent location Edinburgh Country GB - United Kingdom Event type WRD Language eng - English Country GB - United Kingdom Keywords particles ; LBM ; Reynolds numbers Subject RIV BK - Fluid Dynamics Institutional support UH-J - RVO:67985874 Annotation The 3D LBM based simulation is developed to study hydrodynamic processes characterized by high Reynolds numbers. Specifically, particle-fluid interaction is examined for various configurations, e.g., for particles transported by water flow in an open channel or closed conduit or for particle gravitational settling in still water. Tested particles are represented by spherical non-deformable balls and the processes take place in cylindrical or rectangular (horizontal or vertical) profiles with smooth or rough walls (made of spherical particles or cylindrical rods) depending on the examined phenomena. The simulation uses the entropic extension of the LBM to cope with high Reynolds number regimes as it guarantees unconditional stability and it can be adjusted in such a way as to achieve accuracy of the second order. However, calculation of the root of the entropic equation – along with the detailed resolution of the particlefluid interaction and the number of particles – yields in Workplace Institute of Hydrodynamics Contact Soňa Hnilicová, hnilicova@ih.cas.cz, Tel.: 233 109 003 Year of Publishing 2017
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