Helically Symmetric Experiment

The Helically Symmetric Experiment (HSX, stylized as Helically Symmetric eXperiment), is an experimental plasma confinement device at the University of Wisconsin–Madison, with design principles that are intended to be incorporated into a fusion reactor. The HSX is a modular coil stellarator which is a toroid-shaped pressure vessel with external electromagnets which generate a magnetic field for the purpose of containing a plasma. It began operation in 1999.

HSX
Helically Symmetric eXperiment
Device typeStellarator
LocationMadison, Wisconsin, US
AffiliationUniversity of Wisconsin–Madison
Technical specifications
Major radius1.2 m (3 ft 11 in)
Minor radius0.15 m (5.9 in)
Plasma volume0.44 m3
Magnetic field1.25 T (12,500 G)
Heating power100 kW (ECH)
Discharge duration0.2 s (pulse)
Plasma current13.4 kA
Plasma temperature2000–2500 eV (electron temp.)
History
Year(s) of operation1999–present
Links
Other linksHSX Device Parameters
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