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Ultima descărcare din IBN: 2020-12-24 20:08 |
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621.365.5:621.785 (1) |
Electrotehnică (1160) |
Tehnologie mecanică în general: procese, scule, mașini, aparate (145) |
SM ISO690:2012 МИЛЫХ, Владимир, ШИЛКОВА, Лариса. Численно-полевой расчет моментной угловой характеристики трехфазного индуктора магнитного поля электромагнитного перемешивателя для обработки разнородных смесей. In: Problemele Energeticii Regionale, 2019, nr. 1-2(41 S), pp. 55-64. ISSN 1857-0070. DOI: https://doi.org/10.5281/zenodo.3239174 |
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Problemele Energeticii Regionale | ||||||
Numărul 1-2(41 S) / 2019 / ISSN 1857-0070 | ||||||
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DOI:https://doi.org/10.5281/zenodo.3239174 | ||||||
CZU: 621.365.5:621.785 | ||||||
Pag. 55-64 | ||||||
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The evaluation of the possibility of using electromagnetic stirrers for dissimilar mixtures in vari-ous technological processes requires the study of their work under load conditions. The load mode of the agitator is ensured by the needle ferromagnetic elements moving inside a cylindrical working chamber under the influence of a rotating magnetic field, whose effectiveness can be predicted by analyzing the magnitude and nature of changes at the electromagnetic moment. The magnetic field ensures ordering of the ferromag-netic elements, therefore the magnetic permeability in it along the longitudinal and transverse axes becomes different. Due to the anisotropy of the magnetic properties of the composite medium in the working cham-ber, strong influences arise on this medium, based on the magnetic tension forces acting on the ferromagnet-ic elements. The purpose of this work was to present the method of calculation of the electromagnetic mo-ment and determination of its dependence on the angular displacement of the rotating magnetic field of the inductor. The distribution of the magnetic induction inside the working chamber in the idle and load modes was compared, it gave an idea of the distribution of the magnetic field lines in those modes, set out the basic principles for calculation of the angular characteristics of the torque of the electromagnetic stirrer. The pro-posed method was based on the multi-position numerical calculations of the magnetic fields in the FEMM software package. Comparative calculations of the angular characteristics of the torque were performed at different magnetic permeabilities of the composite medium in the working chamber. |
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Cuvinte-cheie electromagnetic stirrer, inductor, magnetic field, numerical-field calculations, electromag-netic moment, angular characteristic, magnetic permeability, Anisotropy, agitator electromagnetic, inductor, câmp magnetic, calcule experimental-numerice, moment electromagnetic, caracteristică unghiulară, permeabilitate magnetică, anizotropie, электромагнитный перемешиватель, индуктор, магнитное поле, численно-полевые рас-четы, электромагнитный момент, угловая характеристика, магнитная проницаемость, анизотропия |
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