Dynamic stability of edge-cooled superconducting tapes

J. Schwartz; J. P. Freidberg; J. E.C. Williams

doi:10.1016/0011-2275(91)90186-Z

Dynamic stability of edge-cooled superconducting tapes

J. Schwartz, J. P. Freidberg, J. E.C. Williams

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

4 Scopus citations

Abstract

The flux jump stability characteristics of an edge-cooled tape superconductor are analysed. Two simple cases (no stabilizer, perfect stabilizer) are considered to establish the lower and upper bounds of the stable operating space. The generalized case is then solved in the interesting limit where the tape thickness is small compared with its width and compared with the one-dimensional condition of Hart. The two-dimensional analysis indicates that finite thermal diffusion in the superconductor can play a significant role for w_o/d < 100, where w_o is the half-width of the tape and d is the thickness of the superconductor.

Original language	English (US)
Pages (from-to)	21-32
Number of pages	12
Journal	Cryogenics
Volume	31
Issue number	1
DOIs	https://doi.org/10.1016/0011-2275(91)90186-Z
State	Published - Jan 1991

All Science Journal Classification (ASJC) codes

General Materials Science
General Physics and Astronomy

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10.1016/0011-2275(91)90186-Z

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title = "Dynamic stability of edge-cooled superconducting tapes",

abstract = "The flux jump stability characteristics of an edge-cooled tape superconductor are analysed. Two simple cases (no stabilizer, perfect stabilizer) are considered to establish the lower and upper bounds of the stable operating space. The generalized case is then solved in the interesting limit where the tape thickness is small compared with its width and compared with the one-dimensional condition of Hart. The two-dimensional analysis indicates that finite thermal diffusion in the superconductor can play a significant role for wo/d < 100, where wo is the half-width of the tape and d is the thickness of the superconductor.",

author = "J. Schwartz and Freidberg, {J. P.} and Williams, {J. E.C.}",

note = "Funding Information: The work performed by J. Schwartz was under appointment to the Magnetic Fusion Energy Technology Fellowship which is administered for the US Department of Energy by Oak Ridge Associated Universities.",

year = "1991",

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AU - Schwartz, J.

AU - Freidberg, J. P.

AU - Williams, J. E.C.

N1 - Funding Information: The work performed by J. Schwartz was under appointment to the Magnetic Fusion Energy Technology Fellowship which is administered for the US Department of Energy by Oak Ridge Associated Universities.

PY - 1991/1

Y1 - 1991/1

N2 - The flux jump stability characteristics of an edge-cooled tape superconductor are analysed. Two simple cases (no stabilizer, perfect stabilizer) are considered to establish the lower and upper bounds of the stable operating space. The generalized case is then solved in the interesting limit where the tape thickness is small compared with its width and compared with the one-dimensional condition of Hart. The two-dimensional analysis indicates that finite thermal diffusion in the superconductor can play a significant role for wo/d < 100, where wo is the half-width of the tape and d is the thickness of the superconductor.

AB - The flux jump stability characteristics of an edge-cooled tape superconductor are analysed. Two simple cases (no stabilizer, perfect stabilizer) are considered to establish the lower and upper bounds of the stable operating space. The generalized case is then solved in the interesting limit where the tape thickness is small compared with its width and compared with the one-dimensional condition of Hart. The two-dimensional analysis indicates that finite thermal diffusion in the superconductor can play a significant role for wo/d < 100, where wo is the half-width of the tape and d is the thickness of the superconductor.

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JO - Cryogenics

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Dynamic stability of edge-cooled superconducting tapes

Abstract

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