Analysis of Quench Propagation in the ITER Poloidal Field Conductor Insert (PFCI)

We analyse the issues of quench propagation in the NbTi Poloidal Field Conductor Insert (PFCI), recently tested at JAEA Naka, Japan. The simulation tools Mithrandir, already validated against data from previous Nb3Sn Insert Coils, and M3, implementing a more detailed thermal-hydraulic description of...

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Veröffentlicht in:	IEEE transactions on applied superconductivity 2010-06, Vol.20 (3), p.491-494
Hauptverfasser:	Zanino, Roberto, Bonifetto, Roberto, Savoldi Richard, Laura
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Coils Conductors Conductors (devices) Cross sections Current measurement Electric connection. Cables. Wiring Electrical engineering. Electrical power engineering Electromagnets Exact sciences and technology Inserts Loss measurement Mathematical models NbTi Niobium base alloys Niobium compounds Niobium-tin nuclear fusion quench Simulation Solenoids superconducting magnets Superconductivity Testing Titanium compounds Various equipment and components
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Beschreibung
Zusammenfassung:	We analyse the issues of quench propagation in the NbTi Poloidal Field Conductor Insert (PFCI), recently tested at JAEA Naka, Japan. The simulation tools Mithrandir, already validated against data from previous Nb3Sn Insert Coils, and M3, implementing a more detailed thermal-hydraulic description of the CICC cross section, are used. The results of the analysis are reported in the paper and compared with experimental data, with particular attention to NbTi versus Nb3Sn features and to the effects of different model assumptions.
ISSN:	1051-8223 1558-2515
DOI:	10.1109/TASC.2010.2041547