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    Magnetic force and stiffness performances of Maglev system based on multi-surface arrangements with three-seeded bulk YBaCuO superconductors
    (Elsevier, 2020) Ozturk, K.; Abdioglu, M.; Karaahmet, Z.
    We have designed a multi-surface HTS (high temperature superconductor with three seeded bulk YBaCuO) Maglev system by increasing the YBaCuO number while decreasing the PM number in HTS-PMG system to enhance the loading capacity and stability of the superconducting Maglev system while reducing the fabrication cost. By this study, a detailed investigation on the magnetic levitation force, guidance force, magnetic stiffness and cost analysis of the multi-surface HTS Maglev system has been carried out for the first time. In this study, it is determined that the multi-surface YBaCuO-PMG arrangements are superior to the single-surface arrangements with respect to the loading capacity and especially the movement stability of Maglev systems together. Additionally, it is seen that the using of the multi-surface YBaCuO-PMG arrangement reduces the fabrication cost of the Maglev systems as 42.0% for 1000 km magnetic rail while increasing of the levitation force efficiency as 43.4% and this emphasizes the advantage of multi-surface arrangements to the classical single-surface ones. The obtained results can contribute to the researchers working on Maglev and have a capability to increase the usage potential of Maglev systems in commercial applications because of both the loading capacity and stability of Maglev systems can be enhanced together with reducing the fabrication cost without any loss in levitation performance.