A 3 Tesla Superconducting Magnet for Hall Sensor Calibration

Beilei Guo,Lizhen Ma,Qing Li,Wei Wu,Qinggao Yao,Xiaoying Zhang,Xi Wu,Yuan He,Shaofei Han,Siling Zhang,Ping Yuan

Applied Superconductivity, IEEE Transactions（2010）

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摘要

A 3 T superconducting magnet with a 70 mm diameter warm bore and energy storage of 47 kJ has been successfully fabricated and tested, which can be used to calibrate Hall sensors in high magnetic field as well as conduct superconducting experiments. The magnet consists of three solenoid coils and an iron yoke. The homogeneity of the magnetic field in the region of interest (ROI) is . The coils of the magnet were fabricated with NbTi-Cu superconducting wire and the stray magnetic field is shielded by an iron yoke. The coils and yoke are fully immersed in a helium vessel. The optimized structural design, stress and quench simulation, fabrication and test results are presented in this paper.

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关键词

solenoids,quench simulation,fabrication,magnetic flux density 3 t,calibration,superconducting magnet,magnetic field homogeneity,superconducting experiments,nbti-cu superconducting wire,optimized structural design,stress and quench simulation,stray magnetic field,helium vessel,iron yoke,structure optimized design,magnetic field effects,high homogeneity,hall sensor calibration,energy 47 kj,superconducting magnets,energy storage,sensors,stress simulation,nbti-cu,region of interest,magnet coils,solenoid coils,superconducting magnetic energy storage,magnetic shielding,iron,testing,magnetic field

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