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A Stokesian Dynamics Approach for Simulation of Magnetic Particle Suspensions
Luleå tekniska universitet, Institutionen för samhällsbyggnad och naturresurser, Mineralteknik och metallurgi.
Luleå tekniska universitet, Institutionen för samhällsbyggnad och naturresurser, Mineralteknik och metallurgi.
Åbo Akademi University.
Luleå tekniska universitet, Institutionen för system- och rymdteknik, Signaler och system.ORCID-id: 0000-0002-6216-6132
Vise andre og tillknytning
2016 (engelsk)Inngår i: Minerals Engineering, ISSN 0892-6875, E-ISSN 1872-9444, Vol. 90, nr SI , s. 70-76Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

The dynamic behaviour of μm-scale ferromagnetic particles in suspension is of interest for various mineral beneficiation processes. It is, however, difficult to experimentally study such processes at the particle-level. In these instances it can be advantageous to resort to suitable particle simulation methods.Stokesian dynamics is a mesh-free numerical technique developed for suspensions of nm to mm size particles. The method inherently considers hydrodynamic interactions, but additional interaction models can be included depending on the system under investigation. We here present a Stokesian dynamics (SD) implementation, which allows for simulation of the motion of suspended magnetic particles in presence of an external magnetic field. The magnetic interaction model includes particle-field interactions as well as pairwise interactions between magnetised particles.Simulations are compared with experiments using a laboratory-scale flow cell. The method is shown to be realistic for studying ferromagnetic suspensions in mineral processing applications, and can be useful in understanding and predicting the efficiency of mineral separation processes.

sted, utgiver, år, opplag, sider
2016. Vol. 90, nr SI , s. 70-76
HSV kategori
Forskningsprogram
Mineralteknik; Signalbehandling
Identifikatorer
URN: urn:nbn:se:ltu:diva-27464DOI: 10.1016/j.mineng.2015.10.015ISI: 000375169200007Scopus ID: 2-s2.0-84960865330Lokal ID: 0eda3225-823b-4369-91a2-78b07835122bOAI: oai:DiVA.org:ltu-27464DiVA, id: diva2:1000648
Konferanse
Computational Modelling '15 : 08/06/2015 - 10/06/2015
Merknad
Validerad; 2016; Nivå 1; 20151102 (andbra); Konferensartikel i tidskriftTilgjengelig fra: 2016-09-30 Laget: 2016-09-30 Sist oppdatert: 2018-07-10bibliografisk kontrollert

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Sand, AndersStener, JanCarlson, JohanPålsson, Bertil

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