Forces between arrays of permanent magnets of basic geometric shapes

0433623 - FZÚ 2015 RIV NL eng J - Journal Article
Vokoun, David - Beleggia, M.
Forces between arrays of permanent magnets of basic geometric shapes.
Journal of Magnetism and Magnetic Materials. Roč. 350, JAN (2014), s. 174-178. ISSN 0304-8853. E-ISSN 1873-4766
R&D Projects: GA ČR(CZ) GAP107/11/0391; GA MŠMT(CZ) LM2011026
Institutional support: RVO:68378271
Keywords : permanent magnet * cylindrical magnet * attraction force * magnetostatic interaction
Subject RIV: BM - Solid Matter Physics ; Magnetism
Impact factor: 1.970, year: 2014
http://ac.els-cdn.com/S0304885313006732/1-s2.0-S0304885313006732-main.pdf?_tid=f6840b24-5115-11e3-9237-00000aab0f6b&acdnat=1384864232_323ac87712560a07

Weprovideformulasforevaluatingthemagneticforcebetweentwopermanentmagnetarrays,regularly spaced overasquarelattice.Wefocusonthreebasicshapesofmagnetsconstitutingthearrays:cylinder, sphere andrectangularprism.Whenthelatticeparameterislarge,theexpressionscanbeusedto We provide formulas for evaluating the magnetic force between two permanent magnet arrays, regularly spaced over a square lattice. We focus on three basic shapes of magnets constituting the arrays: cylinder, sphere and rectangular prism. When the lattice parameter is large, the expressions can be used to calculate the force between two single magnets in a computationally efficient way. The calculations are validated experimentally by measuring the attraction force between two single permanent magnets, where we demonstrate a fair agreement within about 15%.
Permanent Link: http://hdl.handle.net/11104/0237809