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VERSION:2.0
PRODID:-//Memento EPFL//
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SUMMARY:Core-density-collapse event in the Large Helical Device
DTSTART:20151030T103000
DTEND:20151030T113000
DTSTAMP:20260407T105417Z
UID:af557abf2a88e91db957d14de6d16fb689298900b4737ad938c93fce
CATEGORIES:Conferences - Seminars
DESCRIPTION:Dr. Yasuhiro Suzuki\, NIFS\, Japan\nThe Large Helical Device (
 LHD) is an L=2/M=10 heliotron configuration which is completely different 
 idea to the tokamak. The magnetic field to confine the plasma is produced 
 by only extenal 3D magnetic field. That is\, the 3D magnetic field structu
 re strongly reflects themagnetohydrodynamics (MHD) equilibrium and instabi
 lity. In this talk\, we show a topics about the magnetohydrodynamics (MHD)
  instability\, which is expected to the collapse event in high central bet
 a plasma. If the pressure profile becomes steep in the plasma core\, major
  collapse\, which is so-called the Core Density Collapse (CDC)\, appeared.
  A speculation driving the CDC is proposed from a nonlinear dissipative MH
 D simulation. We show results of the simulation and comparison to experime
 ntal observations.
LOCATION:PPB 019
STATUS:CONFIRMED
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