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Effective plasma radius: Difference between revisions
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→Based on flux surfaces
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(using ''S'' = 4 π<sup>2</sup>''Rr''<sub>eff</sub>). | (using ''S'' = 4 π<sup>2</sup>''Rr''<sub>eff</sub>). | ||
Here, ''R'' is the major radius of the [[:Wikipedia:Torus|toroid]]. | Here, ''R'' is the major radius of the [[:Wikipedia:Torus|toroid]]. | ||
One can avoid making an (arbitrary) choice for ''R'' by defining ''r''<sub>eff</sub> = 2''V/S''. | One can avoid making an (arbitrary) choice for ''R'' by defining ''r''<sub>eff</sub> = 2''V/S'' or ''r''<sub>eff</sub> = ''dV/dS''. | ||
== Based on field lines == | == Based on field lines == | ||