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Flux surface: Difference between revisions
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This fact lies at the basis of the design of magnetic confinement devices. | This fact lies at the basis of the design of magnetic confinement devices. | ||
Assuming the flux surfaces have this toroidal topology, the function ''f'' defines a set of ''nested'' surfaces, so it makes sense to use this function to label the flux surfaces, i.e., ''f'' may be used as | Assuming the flux surfaces have this toroidal topology, the function ''f'' defines a set of ''nested'' surfaces, so it makes sense to use this function to label the flux surfaces, i.e., ''f'' may be used as a "radial" coordinate. Each toroidal surface ''f'' encloses a volume ''V(f)''. | ||
The surface corresponding to an infinitesimal volume ''V'' is essentially a line that corresponds to | The surface corresponding to an infinitesimal volume ''V'' is essentially a line that corresponds to | ||
the ''toroidal axis'' (called ''magnetic axis'' when ''B'' is a magnetic field). | the ''toroidal axis'' (called ''magnetic axis'' when ''B'' is a magnetic field). | ||