Thermal and magnetic responses of a solid nitrogen/magnetized YBCO disk system undergoing temperature cycles in the range of 8-60 K

Yukikazu Iwasa; Juan Bascuñán; Joseph Jankowski; Ho Min Kim; Haigun Lee

doi:10.1109/TASC.2004.831055

Thermal and magnetic responses of a solid nitrogen/magnetized YBCO disk system undergoing temperature cycles in the range of 8-60 K

Yukikazu Iwasa, Juan Bascuñán, Joseph Jankowski, Ho Min Kim, Haigun Lee

Research output: Contribution to journal › Article › peer-review

13 Citations (Scopus)

Abstract

In this paper we report thermal and magnetic responses of a magnetized YBCO disk cooled by a cryogenic design/operation concept that incorporates solid nitrogen in the system. The YBCO disk was "field-cooled" at 88 K and then operated in the range 8-60 K. During each cooling sequence, the system is thermally coupled to a cryocooler; then thermally decoupled from the cryocooler at 8 K and left decoupled until it reaches 60 K. As an application of this cryogenic design/operation concept, we describe a 0.5-T/80 cm bore magnet wound with MgB₂ presently being developed at FBML.

Original language	English
Pages (from-to)	1727-1730
Number of pages	4
Journal	IEEE Transactions on Applied Superconductivity
Volume	14
Issue number	2
DOIs	https://doi.org/10.1109/TASC.2004.831055
Publication status	Published - 2004 Jun
Externally published	Yes

Keywords

MgB magnet
Solid nitrogen
YBCO disk

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Electrical and Electronic Engineering

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10.1109/TASC.2004.831055

Cite this

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title = "Thermal and magnetic responses of a solid nitrogen/magnetized YBCO disk system undergoing temperature cycles in the range of 8-60 K",

abstract = "In this paper we report thermal and magnetic responses of a magnetized YBCO disk cooled by a cryogenic design/operation concept that incorporates solid nitrogen in the system. The YBCO disk was {"}field-cooled{"} at 88 K and then operated in the range 8-60 K. During each cooling sequence, the system is thermally coupled to a cryocooler; then thermally decoupled from the cryocooler at 8 K and left decoupled until it reaches 60 K. As an application of this cryogenic design/operation concept, we describe a 0.5-T/80 cm bore magnet wound with MgB2 presently being developed at FBML.",

keywords = "MgB magnet, Solid nitrogen, YBCO disk",

author = "Yukikazu Iwasa and Juan Bascu{\~n}{\'a}n and Joseph Jankowski and Kim, {Ho Min} and Haigun Lee",

note = "Funding Information: Manuscript received October 20, 2003. This work was supported in part by the U.S. National Institutes of Health.",

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doi = "10.1109/TASC.2004.831055",

language = "English",

volume = "14",

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T1 - Thermal and magnetic responses of a solid nitrogen/magnetized YBCO disk system undergoing temperature cycles in the range of 8-60 K

AU - Iwasa, Yukikazu

AU - Bascuñán, Juan

AU - Jankowski, Joseph

AU - Kim, Ho Min

AU - Lee, Haigun

N1 - Funding Information: Manuscript received October 20, 2003. This work was supported in part by the U.S. National Institutes of Health.

PY - 2004/6

Y1 - 2004/6

N2 - In this paper we report thermal and magnetic responses of a magnetized YBCO disk cooled by a cryogenic design/operation concept that incorporates solid nitrogen in the system. The YBCO disk was "field-cooled" at 88 K and then operated in the range 8-60 K. During each cooling sequence, the system is thermally coupled to a cryocooler; then thermally decoupled from the cryocooler at 8 K and left decoupled until it reaches 60 K. As an application of this cryogenic design/operation concept, we describe a 0.5-T/80 cm bore magnet wound with MgB2 presently being developed at FBML.

AB - In this paper we report thermal and magnetic responses of a magnetized YBCO disk cooled by a cryogenic design/operation concept that incorporates solid nitrogen in the system. The YBCO disk was "field-cooled" at 88 K and then operated in the range 8-60 K. During each cooling sequence, the system is thermally coupled to a cryocooler; then thermally decoupled from the cryocooler at 8 K and left decoupled until it reaches 60 K. As an application of this cryogenic design/operation concept, we describe a 0.5-T/80 cm bore magnet wound with MgB2 presently being developed at FBML.

KW - MgB magnet

KW - Solid nitrogen

KW - YBCO disk

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M3 - Article

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JF - IEEE Transactions on Applied Superconductivity

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Thermal and magnetic responses of a solid nitrogen/magnetized YBCO disk system undergoing temperature cycles in the range of 8-60 K

Abstract

Keywords

ASJC Scopus subject areas

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