2021
DOI: 10.1088/1361-6463/ac353a
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Numerical simulation of contact and separation of magnetic particles under uniform magnetic field

Abstract: Under the action of an external magnetic field, the magnetic particles will be arranged along the direction of the magnetic field. The laws of physics that control these processes are well described in the literature. However, when the magnetic particles move in the fluid, the magnetic particles with different initial distances have different mutual influences, so there will be different laws of motion. Therefore, based on the motion theory of magnetic particles in Stokes fluid, this article discusses the moti… Show more

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Cited by 7 publications
(5 citation statements)
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“…The correctness of the simulation model has been fully verified in our previous study [34]. To verify the simulation result that magnetic particles in free contact will not be separated under the action of a vertical magnetic field, the magnetic particles are observed under a uniform magnetic field and their motion trajectories are captured.…”
Section: Experimental Verificationmentioning
confidence: 74%
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“…The correctness of the simulation model has been fully verified in our previous study [34]. To verify the simulation result that magnetic particles in free contact will not be separated under the action of a vertical magnetic field, the magnetic particles are observed under a uniform magnetic field and their motion trajectories are captured.…”
Section: Experimental Verificationmentioning
confidence: 74%
“…As shown in figures 3(a) and (b), the separation distance and contact force are both zero. From t = 0 to 0.0044 s, the separation distance between the magnetic particles steadily increases, the magnetic particles move within the repulsion angle, and the offset motion occurs while repelling [34]. From t = 0.0044 to 0.0058 s, the separation distance between the magnetic particles decreases, which is because at t = 0.0044 s, the magnetic particles move with offset to the critical angle of attraction and repulsion.…”
Section: Two Magnetic Particles In a Static Flowmentioning
confidence: 96%
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“…Taip pat aglomeracijos efektyvumas kyla, kai didėja bendra masės koncentracija ir dalelių buvimo laikas aglomeratoriuje (Hautanen et al, 2010). Stebint skirtingų dydžių kietąsias daleles buvo nustatyta, kad neturinčios krūvio kietosios dalelės lengvai paslysta per didesnes daleles; kai dalelėms yra suteikiamas skirtingo poliariškumo krūvis, jų susidūrimo tikimybė stipriai išauga (Xu et al, 2021).…”
Section: Aglomeravimo Technologijų Analizėunclassified