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Magnetically confined plasma flows with helical symmetry

Published online by Cambridge University Press:  01 October 1998

L. J. PALUMBO  and
A. M. PLATZECK
L. J. PALUMBO
Affiliation:
Facultad de Ciencias Astronómicas y Geofísicas, Universidad Nacional de La Plata, Paseo del Bosque s/n, 1900, La Plata, Argentina Present address: Via Calcesana 171, 56010 Ghezzano (PI), Italy.
A. M. PLATZECK
Affiliation:
Facultad de Ciencias Astronómicas y Geofísicas, Universidad Nacional de La Plata, Paseo del Bosque s/n, 1900, La Plata, Argentina
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Abstract

Stationary flows with an ignorable coordinate are analysed and the differential equation for the only independent current function of the problem is obtained for the polytropic, incompressible and adiabatic cases. The possibility of confinement for the stationary symmetric plasma fluxes is then investigated and the confinement conditions are given. Some examples are solved for the particular case of helical symmetry; for general flows it is possible to construct magnetically confined plasma columns only with cylindrical shape; whereas if the plasma velocity has the direction of the ignorable coordinate, we show that it is possible to construct magnetically confined plasma columns with helical shape and plasma flux along the helices.

Type
Research Article
Information
Journal of Plasma Physics , Volume 60 , Issue 3 , October 1998 , pp. 449 - 467
Copyright
1998 Cambridge University Press

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