2-D simulation of quench propagation for force-flow conductors [for NET]

Author

Bottura, L.

Author_Institution

NET Team, Garching, West Germany

Volume

27

Issue

2

fYear

1991

fDate

3/1/1991 12:00:00 AM

Firstpage

1904

Lastpage

1907

Abstract

A method for the study of the propagation of quench in the cross section of a superconducting coil wound using force-coded conductors is presented. The method is based on a detailed 2-D finite-element solution of the temperature distribution in the cross section of several adjacent conductors, taking into account the local Joule heat generation. Coolant flow through the conductor has also been modeled in an approximate way. The method has been applied to the analysis of a quench propagation experiment performed on the EU-LCT coil and to the prediction of the transversal quench propagation velocity (turn to turn or pancake to pancake) in a typical NET (Next European Torus) TF or PF conductor

Keywords

Tokamak devices; finite element analysis; fusion reactor theory and design; heat transfer; superconducting cables; superconducting magnets; temperature distribution; 2-D finite-element solution; EU-LCT coil; NET; Next European Torus; force-flow conductors; local Joule heat generation; quench propagation; superconducting coil; temperature distribution; transversal velocity; Conductors; Finite element methods; Heat sinks; Heat transfer; Helium; Superconducting coils; Temperature; Thermal conductivity; Thermal resistance; Wounds;

fLanguage

English

Journal_Title

Magnetics, IEEE Transactions on

Publisher

ieee

ISSN

0018-9464

Type

jour

DOI

10.1109/20.133572

Filename

133572