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U.S. Department of Energy
Office of Scientific and Technical Information

Method and apparatus for the formation of a spheromak plasma

Patent ·
OSTI ID:6519599

A method and apparatus are described for forming a detached, compact toroidally shaped spheromak plasma by an inductive mechanism. A generally spheroidal vacuum vessel houses a toroidally shaped flux ring or core which contains poloidal and toroidal field generating coils. A plasma discharge occurs with the pulsing of the toroidal field coil, and the plasma is caused to expand away from the core and toward the center of the vacuum vessel. When the plasma is in an expanded state, a portion of it is pinched off in order to form a separate, detached spheromak plasma configuration. The detached plasma is supported by a magnetic field generated by externally arranged equilibrium field coils.

Assignee:
Dept. of Energy
Patent Number(s):
None
OSTI ID:
6519599
Country of Publication:
United States
Language:
English