A 0.6 T/650 mm RT Bore Solid Nitrogen Cooled MgB 2 Demonstration Coil for MRI-a Status Report

A 0.6 T/650 mm RT Bore Solid Nitrogen Cooled MgB 2 Demonstration Coil for MRI-a Status Report

Aiming to demonstrate feasibility and practicality of a low cost superconducting MRI magnet system targeted for use in small hospitals, rural communities and underdeveloped countries, MIT-Francis Bitter Magnet Laboratory has developed a 0.6 T/650 mm room temperature bore demonstration coil wound wit...

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Bibliographic Details
Published in:IEEE transactions on applied superconductivity Vol. 16; no. 2; p. 1427
Main Authors: Bascuñán, Juan, Lee, Haigunan, Bobrov, Emmanuel S, Hahn, Seungyong, Iwasa, Yukikazu, Tomsic, Mike, Rindfleisch, Matt
Format: Journal Article
Language:English
Published: United States 01-06-2006
Subjects:
MRI
Conduction cooled
MgB2
solenoids
Online Access:Get full text
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Summary:Aiming to demonstrate feasibility and practicality of a low cost superconducting MRI magnet system targeted for use in small hospitals, rural communities and underdeveloped countries, MIT-Francis Bitter Magnet Laboratory has developed a 0.6 T/650 mm room temperature bore demonstration coil wound with multifilament MgB conductor and cooled via an innovative cryogenic design/operation. The coil is to be maintained cold by solid nitrogen kept in the solid state by a cryocooler. In the event of a power failure the cryocooler is automatically thermally decoupled from the system. In this paper we present details of the MgB2 conductor, winding process, and preliminary theoretical analysis of the current-carrying performance of the conductively cooled coils in zero background field and over the 10-30 K temperature range.
ISSN:1051-8223