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UID:UW-Physics-Event-9609
DTSTART:20260302T180000Z
DTEND:20260302T190000Z
DTSTAMP:20260417T073747Z
LAST-MODIFIED:20260228T145217Z
LOCATION:Engineering Hall 1227 
SUMMARY:The Case for Using Liquid Lithium for Low Recycling Fusion Rea
 ctor Operations and Why the Sun Works! \, Plasma Physics (Physics/ECE
 /NE 922) Seminar\, Dr. Daniel Andruczyk\, University of Illinois at Ur
 banan-Champaign
DESCRIPTION:Why does the Sun work? This is an important and nuanced qu
 estion and the answer potentially tells us how we need to run a fusion
  reactor. But in doing so it exposes one of the main issues in fusion.
  To truly achieve a steady state working fusion power plant there is a
  major hurdle that needs to be overcome\, plasma material interactions
  (PMI). The materials used to build these devices are extremely import
 ant. Traditionally solid materials (tungsten\, molybdenum\, carbon\, e
 tc.) have been used but encounter many issues when exposed to the high
  heat fluxes in the divertor region\, which can reach 40 MWm-2 or mor
 e in some cases. Interactions with energetic ions\, neutrals and neutr
 ons can cause surface morphology changes (DPA\, transmutation\, fuzz\,
  bubbles\, blisters)\, ejection of material into the plasma\, recyclin
 g of cold neutral gas back into the plasma and fuel depletion through
  implantation into the material. It turns out there may be a solution\
 , liquid metals\, and in particular liquid lithium (Li)\, which offer 
 several solutions to many of the issues solid materials face. There ar
 e still technological challenges using liquid Li\, and these are all u
 nder investigation and development. This talk will focus on PMI challe
 nges and how Li can solve many of these issues. Why does the Sun work?
  … the answer to come!
URL:https://www.physics.wisc.edu/events/?id=9609
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