A solid-nitrogen cooled Nb3Sn NMR magnet operating in the range 8-10 K

Yukikazu Iwasa; Roger Wheatley; Juan Bascuñán; Benjamin Haid; Haigun Lee

doi:10.1109/TASC.2003.812851

A solid-nitrogen cooled Nb₃Sn NMR magnet operating in the range 8-10 K

Yukikazu Iwasa, Roger Wheatley, Juan Bascuñán, Benjamin Haid, Haigun Lee

Research output: Contribution to journal › Conference article › peer-review

7 Citations (Scopus)

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
Pages (from-to)	1636-1639
Number of pages	4
Journal	IEEE Transactions on Applied Superconductivity
Volume	13
Issue number	2 II
DOIs	https://doi.org/10.1109/TASC.2003.812851
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

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title = "A solid-nitrogen cooled Nb3Sn NMR magnet operating in the range 8-10 K",

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.",

keywords = "Cryocooler-decoupled operation of a superconducting magnet, Solid neon, Solid nitrogen",

author = "Yukikazu Iwasa and Roger Wheatley and Juan Bascu{\~n}{\'a}n and Benjamin Haid and Haigun Lee",

year = "2003",

month = jun,

doi = "10.1109/TASC.2003.812851",

language = "English",

volume = "13",

pages = "1636--1639",

journal = "IEEE Transactions on Applied Superconductivity",

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note = "2002 Applied Superconductivity Conference ; Conference date: 04-08-2002 Through 09-08-2002",

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AU - Iwasa, Yukikazu

AU - Wheatley, Roger

AU - Bascuñán, Juan

AU - Haid, Benjamin

AU - Lee, Haigun

PY - 2003/6

Y1 - 2003/6

N2 - 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.

AB - 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.

KW - Cryocooler-decoupled operation of a superconducting magnet

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KW - Solid nitrogen

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