publication . Article . Preprint . 2016 . Embargo end date: 16 Jun 2017

An equation for the quench propagation velocity valid for high field magnet use of REBCO coated conductors

Name: An equation for the quench propagation velocity valid for high field magnet use of REBCO coated conductors
Keywords: Condensed Matter - Superconductivity

Marco Bonura; Carmine Senatore;

Open Access English

Published: 13 Jun 2016

Country: Switzerland

Summary
references
27

Abstract

Based on a study of the thermophysical properties, we derived a practical formula for the normal zone propagation velocity appropriate for REBa$_2$Cu$_3$O$_{7-x}$ coated conductors in high magnetic fields. An analytical expression to evaluate the current sharing temperature as a function of the operating conditions is also proposed. The presented study has allowed us to account for experimental results not fully understood in the framework of the models widely used in the literature. In particular, we provided a fundamental understanding of the experimental evidence that the normal zone propagation velocity in REBa$_2$Cu$_3$O$_{7-x}$ coated conductors can be mai...

doi: 10.1063/1.4954165

Subjects

free text keywords: Condensed Matter - Superconductivity, ddc:500.2, Mechanics, Magnet, Electrical conductor, Quenching, High-temperature superconductivity, law.invention, law, High field, Superconducting magnet, Thermal conductivity, Magnetic field, Materials science

Related Organizations

University of Geneva
Switzerland

Funded by

SNSF| Development of YBa2Cu307 -x superconducting test coils: the path towards all-superconducting magnets above 23 .5 T, EC| EUCARD-2, SNSF| Applications of Superconductivity under Extreme Conditions

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