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PRODID:UW-Madison-Physics-Events
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SEQUENCE:5
UID:UW-Physics-Event-8506
DTSTART:20231120T180000Z
DTEND:20231120T191500Z
DTSTAMP:20260414T031150Z
LAST-MODIFIED:20231119T151718Z
LOCATION:Note: change of location - 1325 Computer Science
SUMMARY:“Results and Future Directions of the HSX stellarator“\, P
 lasma Physics (Physics/ECE/NE 922) Seminar\, Benjamin Faber\, UW-Madis
 on
DESCRIPTION:The Helically Symmetric eXperiment at the University of Wi
 sconsin-Madison is the world's only quasihelically symmetric stellarat
 or. This talk will provide an overview of HSX and the benefits of quas
 isymmetric stellarators as candidates for fusion reactors. This talk w
 ill highlight some of the important scientific achievements of HSX\, s
 uch as the effective reduction of neoclassical transport due to quasis
 ymmetry and the measurement of strong plasma flow. Answering other que
 stions\, such as the nature of fluctuations and turbulence in HSX\, wi
 ll be tackled by the ongoing HSX upgrade\, where the magnetic field wi
 ll be increased from 1T to 1.25T. These plasmas will be heated by a ne
 w 500 kW gyrotron to enable higher density operation\, as well as thro
 ugh a neutral beam to reach higher ion temperatures.  Coupled with eve
 r-improving diagnostic capabilities\, the HSX upgrade will open a new 
 area of research in the physics of quasishelically symmetric stellarat
 ors\, with a strong focus on understanding the flow profile\, core tur
 bulence characteristics\, and the physics of the HSX edge. Progress to
 wards the upgrade as well as predictions for upgraded plasma performan
 ce will be presented.
\n<br><br> 
\n<b>Bio:</b>
\nBenjamin holds a PhD
  in Physics for the University of Wisconsin-Madison and a BS from Calt
 ech. A computational physicist by training\, he is an expert on turbul
 ence in stellarator devices. Benjamin is currently an HSX Scientist in
  the Department of Engineering Physics at UW-Madison working on buildi
 ng new tools and infrastructure for stellarator optimization\, with a 
 focus on turbulent optimization.
URL:https://www.physics.wisc.edu/events/?id=8506
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