The name of the configuration is from toroidal component of the magnetic field. Toroidal component's sign in the outer region of the plasma reverses. The largest Reversed Field Pinch device presently in operation is called the Reversed-Field eXperiment.
Comparable magnetic field plasma intensity
- toroidal component
- poloidal component
note: Tokamak's field is toroidal and externally applied.
High power density (minimum energy, stable)
Ignition without the need of auxiliary heating
The Reversed-Field Pinch works towards a state of "minimum energy".
The magnetic field lines coil loosely around a center torus. They coil outwards. Near the plasma edge, the toroidal magnetic field reverses and the field lines coil in the reverse direction.
Internal fields are bigger than the fields at the magnets.
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