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Sawtooth: Difference between revisions
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The name is due to the characteristic [[Wikipedia:Sawtooth wave|waveform]] of many diagnostic signals. | The name is due to the characteristic [[Wikipedia:Sawtooth wave|waveform]] of many diagnostic signals. | ||
The reconnection leads to the rapid expulsion of energy from a central region (usually contained with the ''q'' = 1 rational surface). | The reconnection leads to the rapid expulsion of energy from a central region (usually contained with the [[Safety factor|''q'' = 1]] rational surface). | ||
The region in which the temperature goes down during the crash is bounded by the inversion radius (see figure). | The region in which the temperature goes down during the crash is bounded by the inversion radius (see figure). | ||
This leads to the fast increase of energy content in an annular region surrounding the central region. | This leads to the fast increase of energy content in an annular region surrounding the central region. | ||
The region where the temperature goes up during the crash is bounded by the inversion radius and the mixing radius (see figure). | The region where the temperature goes up during the crash is bounded by the inversion radius and the mixing radius (see figure). | ||
[[File:Sawtooth.png|420px|thumb|right|Sketch of temperature profiles before and after a sawtooth crash]] | [[File:Sawtooth.png|420px|thumb|right|Sketch of temperature profiles before (black continuous line) and after (red dashed line) a sawtooth crash]] | ||
== See also == | == See also == | ||
* [[Wikipedia:Tokamak sawtooth|Tokamak sawtooth]] | * [[Wikipedia:Tokamak sawtooth|Tokamak sawtooth]] | ||