Spherical hydrogen pellet generator for magnetic confinement fusion research

The design and operation of a cryogenic pellet generator is described. The device is capable of producing spherical solid hydrogen pellets of sufficient size and repetition rate to meet prospective refueling requirements of near term tokamak fusion machines. It accelerates pellets to speeds in exces...

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Veröffentlicht in:	Rev. Sci. Instrum.; (United States) 1981-02, Vol.52 (2), p.183-190
Hauptverfasser:	Gilliard, R. P., Kim, K., Turnbull, R. J.
Format:	Artikel
Sprache:	eng
Schlagworte:	70 PLASMA PHYSICS AND FUSION TECHNOLOGY ACCELERATION CLOSED PLASMA DEVICES COMPARATIVE EVALUATIONS CONFIGURATION CONFINEMENT CRYOGENICS DESIGN ELEMENTS FABRICATION FUEL PELLETS FUELS HYDROGEN NONMETALS NUCLEAR REACTIONS NUCLEOSYNTHESIS PELLETS SPHERICAL CONFIGURATION THERMONUCLEAR DEVICES 060201 > Fusion Fuels-- Fabrication & Testing-- (1980-1987) THERMONUCLEAR FUELS THERMONUCLEAR REACTIONS TOKAMAK DEVICES VELOCITY
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Beschreibung
Zusammenfassung:	The design and operation of a cryogenic pellet generator is described. The device is capable of producing spherical solid hydrogen pellets of sufficient size and repetition rate to meet prospective refueling requirements of near term tokamak fusion machines. It accelerates pellets to speeds in excess of 102 m/s by gas dynamic drag techniques and has achieved initial injection into the APEX tokamak at Argonne National Laboratory. A discussion of gas dynamic drag acceleration techniques is presented with an evaluation of their significance to pellet acceleration technology.
ISSN:	0034-6748 1089-7623
DOI:	10.1063/1.1136570