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Magnetic shear: Difference between revisions
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Thus, ''ι/2π'' is the mean number of toroidal transits (''n'') divided by the | Thus, ''ι/2π'' is the mean number of toroidal transits (''n'') divided by the | ||
mean number of poloidal transits (''m'') of a field line on a flux surface. | mean number of poloidal transits (''m'') of a field line on a flux surface. | ||
In tokamak research, the quantity ''q = 2π/ι'' is preferred (called the "safety factor"). | |||
In tokamak research, the quantity ''q = | |||
The magnetic shear is defined as | The magnetic shear is defined as | ||