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VERSION:2.0
PRODID:-//Memento EPFL//
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SUMMARY:Scrape-Off Layer physics in limited plasmas in TCV
DTSTART:20170220T103000
DTEND:20170220T113000
DTSTAMP:20260510T164756Z
UID:accbd8665736c8163364c52746f0217116d32c526f55c66df831677c
CATEGORIES:Conferences - Seminars
DESCRIPTION:Dr. Federico Nespoli\, SPC-EPFL\nThe plasma-wall interaction t
 hrough the SOL is believed to strongly affect future fusion reactors perfo
 rmances\, and the elevated heat loads on the solid surfaces are one of the
  most limiting factors for fusion. We advance the understanding of SOL phy
 sics in limited plasmas\, the simplest magnetic configuration\, combining 
 experiments and numerical simulations. In particular\, two topics are addr
 essed. First\, the separation of the SOL into two different regions\, the 
 “near” and “far” SOL\, is investigated. The near SOL extends typic
 ally a few mm from the LCFS\, features steep radial profiles of parallel h
 eat flux and is responsible for the peak of heat deposition on the tokamak
  first wall. The far SOL\, typically a few cm wide\, features flatter heat
  flux profiles\, and accounts for the majority of the heat deposited on th
 e first wall. In a second instance\, blob dynamics is investigated. Blobs 
 are high density plasma filaments generated by turbulence\, and are an ubi
 quitous feature of plasmas in open magnetic field line configurations. Blo
 bs are self-propelled and travel outwards to the reactor walls\, substanti
 ally increasing  cross field transport.\n 
LOCATION:PPB019
STATUS:CONFIRMED
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