Abstract
The possibility of separation of conducting submillimeter particles from nonconducting elements of a friable rock is theoretically substantiated in the present work. It is suggested to accelerate particles upon exposure to a nonstationary and nonuniform magnetic field created by a system of magnetic coils. Approximate analytical expressions for the velocity of a conducting particle are derived in the paper for the simplest configuration of fields of two induction coils. It is demonstrated that in the present stage of development of high-current electronics, it is technically possible to obtain the velocity of translational particle motion of a few tens of centimeters per second.
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References
V. V. Karmazin, V. I. Karmazin, Magnetic, Electric, and Special Methods of Mineral Enrichment. Vol. 1 [in Russian], MGGU Publishing House, Moscow (2005).
I. E. Tamm, Principles of the Theory of Electricity [in Russian], Nauka, Moscow (1989).
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Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Fizika, No. 1, pp. 90–95, January, 2008.
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Dyadin, V.I., Kozhevnikov, V.Y. & Kozyrev, A.V. Electrodynamic acceleration of small conducting particles. Russ Phys J 51, 105–111 (2008). https://doi.org/10.1007/s11182-008-9018-1
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DOI: https://doi.org/10.1007/s11182-008-9018-1