NDLI: Rapid and Semi-analytical Design and Simulation of a Toroidal Magnet Made With YBCO and MgB<sub>2</sub> Superconductors

Content Provider	IEEE Xplore Digital Library
Author	Dimitrov, I.K. Xiao Zhang Solovyov, V.F. Chubar, O. Qiang Li
Copyright Year	2002
Abstract	Recent advances in second-generation (YBCO) high-temperature superconducting wire could potentially enable the design of super high performance energy storage devices that combine the high energy density of chemical storage with the high power of superconducting magnetic storage. However, the high aspect ratio and the considerable filament size of these wires require the concomitant development of dedicated optimization methods that account for the critical current density in type-II superconductors. Here, we report on the novel application and results of a CPU-efficient semianalytical computer code based on the Radia 3-D magnetostatics software package. Our algorithm is used to simulate and optimize the energy density of a superconducting magnetic energy storage device model, based on design constraints, such as overall size and number of coils. The rapid performance of the code is pivoted on analytical calculations of the magnetic field based on an efficient implementation of the Biot-Savart law for a large variety of 3-D “base” geometries in the Radia package. The significantly reduced CPU time and simple data input in conjunction with the consideration of realistic input variables, such as material-specific, temperature, and magnetic-field-dependent critical current densities, have enabled the Radia-based algorithm to outperform finite-element approaches in CPU time at the same accuracy levels. Comparative simulations of MgB₂ and YBCO-based devices are performed at 4.2 K, in order to ascertain the realistic efficiency of the design configurations.
Sponsorship	Council on Superconductivity Appl. Superconductivity Conference Inc MIT
Starting Page	1
Ending Page	8
Page Count	8
File Size	1237066
File Format	PDF
ISSN	10518223
Volume Number	25
Issue Number	5
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-01-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Coils Superconducting magnetic energy storage Toroidal magnetic fields Yttrium barium copper oxide Finite element analysis Magnetostatics Magnetic analysis MgB2 wire energy storage superconductivity SMES 2G YBCO tape Energy storage second-generation (2G) YBCO tape superconducting magnetic energy storage (SMES)
Content Type	Text
Resource Type	Article
Subject	Condensed Matter Physics Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

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