Abstract

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 10**2 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 provided, with an evaluation of their significance to pellet acceleration technology.

Original languageEnglish (US)
Pages (from-to)183-190
Number of pages8
JournalReview of Scientific Instruments
Volume52
Issue number2
DOIs
StatePublished - Dec 1 1981

Fingerprint

Gas dynamics
pellets
Drag
Fusion reactions
generators
fusion
Hydrogen
gas dynamics
hydrogen
Cryogenics
drag
refueling
cryogenics
repetition
injection
requirements
evaluation

ASJC Scopus subject areas

  • Instrumentation
  • Physics and Astronomy (miscellaneous)

Cite this

Spherical hydrogen pellet generator for magnetic confinement fusion research. / Gilliard, R. P.; Kim, Kyekyoon; Turnbull, R. J.

In: Review of Scientific Instruments, Vol. 52, No. 2, 01.12.1981, p. 183-190.

Research output: Contribution to journalArticle

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