Helically Symmetric Experiment
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The Helically Symmetric eXperiment (HSX) is an experimental plasma confinement device whose design principles are hoped to be incorporated into a fusion reactor. The HSX is a modular coil stellarator which is a toroidal shaped pressure vessel with external electromagnets which generate a magnetic field for the purpose of containing a plasma.
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[edit] Goals
Stellarators use magnets to keep the hot plasma from coming in contact with the vessel walls. This differs from a tokamak design where a large current is put through the plasma keeping the plasma contained through the Lorenz force. Stellarators do not require large currents to flow throughout the plasma, however more energy is lost when the ions that make up the plasma hit the vessel wall. This is known as transport and is a large problem of stellarators[citation needed]. HSX is a stellarator that features a helically symmetric magnetic field which reduces this transport.
[edit] The role of quasi-symmetry
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Please help improve this article or section by expanding it. Further information might be found on the talk page or at requests for expansion. (March 2008) |
[edit] See also
[edit] References
[edit] Additional resources
- Canik, J. M.; J. M. Canik, D. T. Anderson, F. S. B. Anderson, K. M. Likin, J. N. Talmadge, and K. Zhai (23 February 2007). "Experimental Demonstration of Improved Neoclassical Transport with Quasihelical Symmetry". Phys. Rev. Lett. 98 (8): 085002. doi:.
- ScienceDaily. "A Step Toward Fusion Energy", ScienceDaily.com, 2007-03-12. Retrieved on 2008-01-24.
[edit] External links
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