NDLI: Numerical Simulation of Trapped Field and Temperature Rise in <formula formulatype=inline><tex Notation=TeX>$hbox{MgB}_{2}$</tex></formula> Bulks Magnetized by Pulsed Field

Content Provider	IEEE Xplore Digital Library
Author	Fujishiro, H. Naito, T. Oyama, M. Arayashiki, T. Tamura, T. Sasaki, T. Giunchi, G.
Copyright Year	2002
Abstract	Pulsed field magnetization (PFM) was performed for the MgB₂ bulk 30 mm in diameter and the applied pulsed-field dependence of the trapped field B_T^C, temperature rise ΔT and time dependence of the local field B_L^C(t) were measured on the bulk. B_T^C = 0.71 T was achieved at 14 K after applying the pulsed field of B_ex = 1.55 T, where ΔT of about 10 K was observed. Numerical simulation of PFM was also performed and B_T^C, ΔT and B_L^C(t) were simulated. The results of the simulation reproduced the experimental ones qualitatively. The flux dynamics and the heat generation in the MgB₂ bulk during PFM were in clear contrast with those in REBaCuO bulks because of a small specific heat, large thermal conductivity, and narrow temperature margin against the transition temperature T_c.
Sponsorship	Council on Superconductivity Appl. Superconductivity Conference Inc MIT
Starting Page	6800804
Ending Page	6800804
Page Count	1
File Size	886033
File Format	PDF
ISSN	10518223
Volume Number	23
Issue Number	3
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-06-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Magnetic flux Superconducting magnets Magnetization Temperature dependence Heating Magnetic levitation Numerical simulation trapped field $\hbox{MgB}_{2}$ bulk numerical simulation pulsed-field magnetization
Content Type	Text
Resource Type	Article
Subject	Condensed Matter Physics Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

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