Персона: Стариковский, Александр Сергеевич
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Институт лазерных и плазменных технологий
Стратегическая цель Института ЛаПлаз – стать ведущей научной школой и ядром развития инноваций по лазерным, плазменным, радиационным и ускорительным технологиям, с уникальными образовательными программами, востребованными на российском и мировом рынке образовательных услуг.
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Александр Сергеевич
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- ПубликацияТолько метаданныеThe influence of cryogenic temperature on characteristics of superconducting maglev systems(2019) Osipov, M.; Starikovskii, A.; Abin, D.; Pokrovskii, S.; Anischenko, I.; Rudnev, I.; Осипов, Максим Андреевич; Стариковский, Александр Сергеевич; Абин, Дмитрий Александрович; Покровский, Сергей Владимирович; Мартиросян, Ирина Валерьевна; Руднев, Игорь Анатольевич© 2019 International Institute of Refrigeration. All rights reserved. In our report, we present new results on investigation of the influence of temperature on the levitation force between the stacks of high temperature superconducting tapes (or coated conductor - CC tapes) and a permanent magnets. We studied the changing in value of levitation force at decreasing of temperature down to 30 K for field cooled (FC) and zero field cooled (ZFC) modes for various number of tape in the stack. In the measurements we used 12 mm wide commercially available CC-tape manufactured by SuperOx. The tapes were cut into pieces 12 mm x 12 mm. The number of layers in the stack ranged from 5 to 100. Cooling of the CC-tapes stack was carried out in cryo-free cryostat. Temperature range was from 30 to 80 K. Results showed that temperature has much influence on levitation force in ZFC mode whereas for FC mode the influence of temperature on levitation force is insignificant. The experimental data were compared with the results of calculations performed by using COMSOL Multiphysics. The obtained results are very useful for the practical application in magnetic levitation based systems.
- ПубликацияТолько метаданныеInfluence of the critical current on the levitation force of stacks of coated conductor superconducting tapes(2019) Osipov, M.; Starikovskii, A.; Abin, D.; Rudnev, I.; Осипов, Максим Андреевич; Стариковский, Александр Сергеевич; Абин, Дмитрий Александрович; Руднев, Игорь АнатольевичThe majority of superconducting levitation systems are based on bulk superconductors. However, recently, stacks of coated conductor superconducting tapes (CC-tapes) have shown a proven potential to act as an alternative to superconducting bulks as components of a magnetic levitation system. This work primarily focuses on the influence of the critical current density on the levitation force of stacks of CC-tapes. The levitation force was measured for stacks of tapes made by different manufacturers, with different values of the critical current and substrate thickness. In our experiment, we used superconducting tapes manufactured by SuperOx, Theva and Sunam. The tapes were cut into 12 mm square pieces. The number of layers in the stack ranged from 10 to 100. Levitation forces were studied for all types of tapes and for various numbers of layers in the stack. As expected, it was found that a higher critical current corresponds to a higher levitation force. The levitation force of the stacks assembled from tapes with a higher critical current tends to saturate for lower numbers of elements in the stack.