Electromagnetic Structure Design of the Whole-Body 14 T MRI Magnet
IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY(2024)
摘要
The Institute of Plasma Physics Chinese Academy of Sciences (ASIPP) has announced a project to design a 14 T MRI magnet with a 900 mm warm bore and comprised of Nb3Sn Rutherford cables, the homogeneity of the magnetic field is better than 0.5 ppm in a 22 cm diameter spherical volume. This paper presents three design schemes for 14 T MRI magnets based on manufacturing technology perspective, which are layered solenoid design, multi-coil design and multi-coil layered design, and compares them from the aspects of mechanical design, inductance and total conductor usage to obtain the optimal scheme.
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关键词
Magnetic resonance imaging,Coils,Superconducting magnets,Windings,Magnetic separation,Conductors,Magnetic shielding,14 T MRI,back field magnet winding,electromagnetic structure design
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