TY - CONF
T1 - Magnetic coil system for the TCABR tokamak
AU - Saettone, E. A.
AU - Vannucci, A.
AU - Degasperi, F. T.
AU - Galvão, R. M.O.
AU - Kuznetsov, Y.
AU - Sanada, E. K.
AU - Nascimento, I. C.
PY - 2002/1/1
Y1 - 2002/1/1
N2 - In this work, we discuss the preliminary analysis of some disruptive plasma discharges in the TCABR tokamak, operating in the high density limit. The Fourier analysis of the MHD activity was greatly facilitated because the magnetic coils inside the TCABR were installed as to take into consideration the toroidal geometry of the system, in a straightforward manner. What we have observed is that the m = 3, 4 and 7 MHD components dominate during almost the whole discharge duration, whereas the m = 2 MHD mode increased substantially just before the occurrence of a major disruption. Also, we could estimate the angular velocity of the magnetic islands, which was observed to increase up to three times just before the major disruption.
AB - In this work, we discuss the preliminary analysis of some disruptive plasma discharges in the TCABR tokamak, operating in the high density limit. The Fourier analysis of the MHD activity was greatly facilitated because the magnetic coils inside the TCABR were installed as to take into consideration the toroidal geometry of the system, in a straightforward manner. What we have observed is that the m = 3, 4 and 7 MHD components dominate during almost the whole discharge duration, whereas the m = 2 MHD mode increased substantially just before the occurrence of a major disruption. Also, we could estimate the angular velocity of the magnetic islands, which was observed to increase up to three times just before the major disruption.
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U2 - 10.1590/S0103-97332002000100006
DO - 10.1590/S0103-97332002000100006
M3 - Paper (Contribution to a conference)
SP - 30
EP - 33
T2 - Brazilian Journal of Physics
Y2 - 1 January 2002
ER -
