首页|Vertical and lateral forces, torque and potential energy as a magnetic dipole with arbitrary angle moves laterally above a flat high-temperature superconductor
Vertical and lateral forces, torque and potential energy as a magnetic dipole with arbitrary angle moves laterally above a flat high-temperature superconductor
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NSTL
Elsevier
In the magnetic levitation system consisted of permanent magnets (PMs) and high-temperature superconductors (HTSs), the magnetization direction of the PM is often inconsistent with the c -axis of the HTS. Therefore, the interaction between the PM with an angle and the HTS should be studied to obtain the effects of the angle on the levitation properties due to the anisotropy property of the critical current density. In this paper, as the PM dipole oriented with the angle with respect to the c -axis of the HTS moves laterally above the semi-infinite HTS, the exact expressions for the lateral and vertical forces, the torque, and the total potential energy are obtained by using the advanced frozen-image model. The dependence of these physical quantities upon the angle and the initial cooling height have been systematically studied. Under the same conditions, the predicted force and torque calculations provided by the advanced frozen-image model qualitatively agree with the previous exper-imental and theoretical results. The study can provide some theoretical references for designing the HTS levi-tation system with the angle.
High-temperature superconductorMagnetic dipoleFrozen-image modelVertical and lateral forcesTorqueLateral movementLEVITATION FORCEPERMANENT-MAGNETANGULAR-DEPENDENCEGRAIN-ALIGNMENTPOINTBEARINGCYLINDERSYSTEMYBCO
NSTL
Elsevier
