Abstract
This paper presents a reference design of a solid-nitrogen cooled 300-MHz/25 mm Nb3Sn NMR magnet based on a novel design/operation concept. The magnet operates in the temperature range 8-10 K with its cryocooler thermally decoupled from the magnet and idled. A mass of solid nitrogen in thermal contact with the magnet prolongs the magnet warm-up time to 17 h, during which NMR measurement may be performed under a quiet environment free of the cryocooler's microphonics. At 10 K, the magnet is re-coupled to the cryocooler for recooling to 8 K and ready for another 17-h measurement.
Original language | English |
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Pages (from-to) | 1636-1639 |
Number of pages | 4 |
Journal | IEEE Transactions on Applied Superconductivity |
Volume | 13 |
Issue number | 2 II |
DOIs | |
Publication status | Published - 2003 Jun |
Externally published | Yes |
Event | 2002 Applied Superconductivity Conference - Houston, TX, United States Duration: 2002 Aug 4 → 2002 Aug 9 |
Keywords
- Cryocooler-decoupled operation of a superconducting magnet
- Solid neon
- Solid nitrogen
ASJC Scopus subject areas
- Electronic, Optical and Magnetic Materials
- Condensed Matter Physics
- Electrical and Electronic Engineering