Electric lamp and discharge devices: systems – Pulsating or a.c. supply – Plural load device systems
Patent
1974-10-18
1980-12-02
Behrend, Harvey E.
Electric lamp and discharge devices: systems
Pulsating or a.c. supply
Plural load device systems
3151175, G21B 100
Patent
active
042369649
ABSTRACT:
A high temperature plasma is magnetically confined without leaks or cusps in a smooth toroidal configuration by tangential magnetic field lines on its surface which have a zero rotation number, and include a selected finite even non-zero number of closed toroidal magnetic field lines, which are limit cycles in the sense that all other surface field lines are asympototic to neighboring pairs of these closed field lines, and the poloidal cross-section of the plasma is non-convex. The resulting unique structure makes the confined plasma relatively insensitive to approximations, tolerances, and variations in the parameters of design, construction and operation. Furthermore, use of the sense of averaging appropriate to evaluation of interchange instabilities shows that the resulting magnetic bottle is an optimal toroidal magnetic well.
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Bass Robert W.
Ferguson Helaman R. P.
Fletcher Harvey J.
Gardner John H.
Harrison B. Kent
Behrend Harvey E.
Brigham Young University
Kirsch Jules P.
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