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Ellipticity: Difference between revisions
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[[File:Geometry.png|400px|thumb|right|Sketch of tokamak geometry]] | |||
The ellipticity refers to the shape of the poloidal cross section of the Last Closed [[Flux surface]] or [[separatrix]] of a [[tokamak]]. | The ellipticity refers to the shape of the poloidal cross section of the Last Closed [[Flux surface]] or [[separatrix]] of a [[tokamak]]. | ||
It is defined as the maximum vertical height of the cross section (2''b'') divided by the maximum horizontal width of the cross section (2''a''). | It is defined as the maximum vertical height of the cross section (2''b'') divided by the maximum horizontal width of the cross section (2''a''). | ||