In:
Physics of Plasmas, AIP Publishing, Vol. 8, No. 6 ( 2001-06-01), p. 2804-2807
Kurzfassung:
A numerical model has been used to study the effects that open field line plasma may have on the rotating magnetic field (RMF), when it is applied to a field-reversed configuration (FRC) for current drive. The model is a two-dimensional (r–θ) magnetohydrodynamic computer simulation. The RMF is found to be an extremely good particle pump, continuously sweeping plasma into the FRC from the outer region, and thus evacuating the space near the containment vessel wall. This effect can lead to a very low density near the wall, providing good thermal insulation. However, if there is a plasma source in the open field line region (such as outgassing from the containment vessel wall) capable of maintaining relatively low-density plasma, the RMF may be amplified in this region. While this effect may speed the rate of penetration, it also has a deleterious effect where excessive penetration leads to predictions of an internal structure that rotates slower than the RMF, and chaotic equilibrium.
Materialart:
Online-Ressource
ISSN:
1070-664X
,
1089-7674
Sprache:
Englisch
Verlag:
AIP Publishing
Publikationsdatum:
2001
ZDB Id:
1472746-8
