Adiabatic normal zone development in MgB2 superconductors

H. van Weeren; N.C. van den Eijnden; W.A.J. Wessel; P. Lezza; S.I. Schlachter; W. Goldacker; M. Dhallé; A. den Ouden; B. ten Haken; H.H.J. ten Kate

doi:10.1109/TASC.2005.849227

Adiabatic normal zone development in MgB2 superconductors

H. van Weeren
, N.C. van den Eijnden
, W.A.J. Wessel
, P. Lezza
, S.I. Schlachter
, W. Goldacker
, M. Dhallé
, A. den Ouden
, B. ten Haken
, H.H.J. ten Kate

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

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245 Downloads (Pure)

Abstract

A-priori knowledge of the normal zone development in MgB/sub 2/ conductors is essential for quench protection of applications. Therefore the normal zone propagation in a monofilament MgB/sub 2//Fe conductor under near-adiabatic conditions at 4.2 K has been measured and simulated. The results show normal zone propagation velocities up to several meters per second. In addition, by including the voltage-current relation into the computational model, the influence of the n-value on the normal zone propagation is determined. The simulations show that lower n-values suppress the normal zone propagation velocity due to lower heat generation in the MgB/sub 2/ filaments.

Original language	English
Pages (from-to)	1667-1670
Number of pages	4
Journal	IEEE transactions on applied superconductivity
Volume	15
Issue number	2
DOIs	https://doi.org/10.1109/TASC.2005.849227
Publication status	Published - 3 Oct 2005

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10.1109/TASC.2005.849227

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title = "Adiabatic normal zone development in MgB2 superconductors",

abstract = "A-priori knowledge of the normal zone development in MgB/sub 2/ conductors is essential for quench protection of applications. Therefore the normal zone propagation in a monofilament MgB/sub 2//Fe conductor under near-adiabatic conditions at 4.2 K has been measured and simulated. The results show normal zone propagation velocities up to several meters per second. In addition, by including the voltage-current relation into the computational model, the influence of the n-value on the normal zone propagation is determined. The simulations show that lower n-values suppress the normal zone propagation velocity due to lower heat generation in the MgB/sub 2/ filaments.",

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doi = "10.1109/TASC.2005.849227",

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T1 - Adiabatic normal zone development in MgB2 superconductors

AU - van Weeren, H.

AU - van den Eijnden, N.C.

AU - Wessel, W.A.J.

AU - Lezza, P.

AU - Schlachter, S.I.

AU - Goldacker, W.

AU - Dhallé, M.

AU - den Ouden, A.

AU - ten Haken, B.

AU - ten Kate, H.H.J.

PY - 2005/10/3

Y1 - 2005/10/3

N2 - A-priori knowledge of the normal zone development in MgB/sub 2/ conductors is essential for quench protection of applications. Therefore the normal zone propagation in a monofilament MgB/sub 2//Fe conductor under near-adiabatic conditions at 4.2 K has been measured and simulated. The results show normal zone propagation velocities up to several meters per second. In addition, by including the voltage-current relation into the computational model, the influence of the n-value on the normal zone propagation is determined. The simulations show that lower n-values suppress the normal zone propagation velocity due to lower heat generation in the MgB/sub 2/ filaments.

AB - A-priori knowledge of the normal zone development in MgB/sub 2/ conductors is essential for quench protection of applications. Therefore the normal zone propagation in a monofilament MgB/sub 2//Fe conductor under near-adiabatic conditions at 4.2 K has been measured and simulated. The results show normal zone propagation velocities up to several meters per second. In addition, by including the voltage-current relation into the computational model, the influence of the n-value on the normal zone propagation is determined. The simulations show that lower n-values suppress the normal zone propagation velocity due to lower heat generation in the MgB/sub 2/ filaments.

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DO - 10.1109/TASC.2005.849227

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EP - 1670

JO - IEEE transactions on applied superconductivity

JF - IEEE transactions on applied superconductivity

IS - 2

ER -

Adiabatic normal zone development in MgB2 superconductors

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