Experimental and numerical study of wall-induced granular convection

Autor:	C. Zeilstra, van der Ma Martin Hoef, NG Niels Deen, J Collignon, Jam Hans Kuipers
Přispěvatelé:	Multi-scale Modelling of Multi-phase Flows, Group Deen
Jazyk:	angličtina
Rok vydání:	2008
Předmět:	Convection IR-59740 Materials science Computer simulation Field (physics) General Chemical Engineering Granular convection Mechanics Surface finish Vibration Physics::Fluid Dynamics Particle image velocimetry METIS-245356 Particle velocity Simulation
Zdroj:	Powder technology, 184(2), 166-176. Elsevier Powder Technology, 184(2), 166-176. Elsevier
ISSN:	0032-5910
DOI:	10.1016/j.powtec.2007.11.037
Popis:	In this paper, wall-driven convective motion in granular systems under vibration is investigated. A pseudo-2D experimental set-up was constructed in which the convection was generated via a controlled roughness at the side walls. The optical measurement technique particle image velocimetry was used to obtain whole field particle velocity information. This allows for direct ‘one-to-one’ comparison with results obtained from numerical simulations. It was found that the model was capable of reproducing trends that were observed in our own experiments and those reported in literature. However, the convection strength was usually over-predicted in the simulations.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_dedup___::915e60aa02a799462db812ddfe2d73fb https://doi.org/10.1016/j.powtec.2007.11.037 Zobrazit plný text záznamu Full Text from ScienceDirect