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VERSION:2.0
PRODID:-//Memento EPFL//
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SUMMARY:"The Neutral Beam Injectors from present experiments to ITER and t
 he step forward to DEMO"
DTSTART:20140616T103000
DTEND:20140616T113000
DTSTAMP:20260406T142506Z
UID:3534c086212a1e35f8d4078f3c46f3f4341da8dbf8bce3da37e32144
CATEGORIES:Conferences - Seminars
DESCRIPTION:Prof. P. Sonato\nConsorzio RFX\, Univ. Padova\, I\nSufficient 
 and reliable additional heating power and current drive of a Tokamak plasm
 a are mandatory requirements to attain and to sustain fusion thermonuclear
  conditions in a reactor. Among the different systems to cope with these r
 equirements the Neutral Beam Injectors are considered the “workhorse” 
 for the operation of a Tokamak. From the present experiments in which posi
 tive ion are accelerated before neutralisation up to an energy lower than 
 200 keV for ITER and for DEMO it is required to inject particles based on 
 negative ions that have to be accelerated up to 1 MeV before the neutralis
 ation.\nThe power required to satisfy the scaling requested for a reactor 
 increases form MW to tens of MW.\nIn the development of a system based on 
 negative ions accelerated to the MeV scale a number of issues has to addre
 ssed to guarantee performances\, efficiency\, availability and reliability
 .\nIn the talk\, starting from the present neutral beam systems based on a
 cceleration of positive ions and from the actual status of development of 
 systems based on negative ions\, the main issues related to the developmen
 t and the design of the ITER Neutral Beam Injector systems will be present
 ed. Finally from the actual step of achievements and from the requirements
  for a fusion reactor like DEMO\, the areas of development will be present
 ed together with the pathway in which the R&D activities will have to be o
 riented in the next years.
LOCATION:PPB 019
STATUS:CONFIRMED
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