Title :
From Short Sample to Coil DC Superconductor Performance: ITER Central Solenoid Model Coil (CSMC) vs. Good Joint (GJ) Sample
Author :
Richard, L. Savoldi ; Mitchell, N. ; Zanino, R.
Author_Institution :
Dipt. di Energetica, Politecnico di Torino
fDate :
6/1/2006 12:00:00 AM
Abstract :
The problem of how representative a short Nb3Sn conductor sample is for simulating conductor-in-coil conditions in the ITER magnets is addressed here by considering the particular case of the Central Solenoid Model Coil (CSMC), tested in 2001-2003 at JAERI Naka, Japan, and its associated Good Joint (GJ) sample (tested in 1999 in the SULTAN facility). While the basic thermal-hydraulic conditions are interpreted from experimental data by the M&M code, the sensitivity of the voltage-temperature characteristics to mechanical effects (due to the strain sensitivity of the Nb3Sn) is investigated by analysis. The results are used to assess the errors to be expected in predicting coil performance from measurements made on conductor samples
Keywords :
fusion reactor design; fusion reactor materials; fusion reactor theory; superconducting coils; superconducting magnets; CSMC; ITER central solenoid model coil; ITER magnets; JAERI Naka; Japan; M&M code; Nb3Sn; coil DC superconductor performance; conductor-in-coil conditions; fusion reactors; good joint sample; mechanical effects; short Nb3Sn conductor sample; thermal-hydraulic conditions; voltage-temperature characteristics; Conductors; Inductors; Leg; Magnetic field measurement; Performance analysis; Solenoids; Superconducting coils; Superconducting magnets; Temperature measurement; Testing; Fusion reactors; ITER; modeling; superconducting coils;
Journal_Title :
Applied Superconductivity, IEEE Transactions on
DOI :
10.1109/TASC.2006.873259
