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Divertor: Difference between revisions
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[[File:Divertors.png|300px|thumb|right|Sketch of divertor types: single and double null tokamak divertors (toroidally symmetric), and island divertor. From <ref name="Feng">[http://dx.doi.org/10.1088/0029-5515/46/8/006 Y. Feng, F. Sardei, P. Grigull, K. McCormick, J. Kisslinger and D. Reiter, ''Physics of island divertors as highlighted by the example of W7-AS'', Nucl. Fusion '''46''' (2006) 807]</ref>.]] | |||
A divertor configuration is a magnetic field configuration in which the toroidally confined (plasma) region is separated from the outside world by a [[Separatrix|separatrix]] - | A divertor configuration is a magnetic field configuration in which the toroidally confined (plasma) region is separated from the outside world by a [[Separatrix|separatrix]] - | ||
as opposed to a limiter configuration in which the plasma's Last Closed Magnetic Surface is determined by the intersection of field lines by a material object. | as opposed to a limiter configuration in which the plasma's Last Closed Magnetic Surface is determined by the intersection of field lines by a material object. | ||
The divertor is the material structure intersecting the 'outgoing legs' of the magnetic separatrix surface. | The divertor is the material structure intersecting the 'outgoing legs' of the magnetic separatrix surface. | ||
One can distinguish '[[Tokamak|tokamak]] divertors' (characterised by toroidal symmetry and one or two X-points or 'nulls') and 'island divertors' (for stellarators). | |||
<ref name="Feng"></ref> | |||
== See also == | == See also == | ||
* [[Flux surface]] | * [[Flux surface]] | ||
== References == | |||
<references /> | |||