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SUMMARY:Theory and simulation of the plasma dynamics at the edge of fusion
  device
DTSTART:20180308T123000
DTSTAMP:20260513T185057Z
UID:df7fe2516d0d86aca0d8eef4c1f4f0b2908cee625d29affd910a8b85
CATEGORIES:Conferences - Seminars
DESCRIPTION:Prof. Paolo Ricci\nIn the edge region of a fusion device the t
 emperature decreases\, over only a few centimetres\, from a value ten time
 s higher than in the centre of the Sun\, to the room temperature of the su
 rrounding solid walls. This extreme gradient\, probably the steepest in th
 e Universe\, drives highly complex physics phenomena\, including strong tu
 rbulence\, within the plasma fusion fuel. Turbulence is more complex in pl
 asmas than other fluids due to the interaction of the charged plasma parti
 cles with the electromagnetic fields. At the edge of a fusion device\, tur
 bulence can involve powerful nonlinear phenomena on spatial and temporal s
 cales spanning ten orders of magnitude. Turbulence is\, moreover\, extreme
 ly anisotropic and include the interaction of large-scale fluid and micros
 copic kinetic phenomena\, atomic physics processes\, and complex geometry.
  The goal of this talk is to shine some light on the pertinent physics at 
 the edge of a fusion device and explain the physics models that we develop
 ed for its description\, the simulation capabilities we established\, and 
 our advances in the theoretical understanding of edge turbulence.
LOCATION:BSP 233 https://plan.epfl.ch/?room==BSP%20233
STATUS:CONFIRMED
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