TERMIUM Plus®

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PELLET INJECTION [1 record]

Record 1 2009-04-24

English

Subject field(s)
  • Thermonuclear fusion
CONT

High-speed injection of pellets, composed of frozen hydrogen isotopes and multimillimeter in size, is commonly used for core fueling of magnetically confined plasmas for controlled thermonuclear fusion research. [...] The process and benefits of plasma fueling by pellet injection have been thoroughly documented in the literature.

French

Domaine(s)
  • Fusion thermonucléaire
CONT

Côté alimentation du plasma, on dispose de trois moyens d'injection de combustible dans la décharge : l'injection de gaz[,] l'injection de neutres [et] l'injection de glaçons, qui consiste à injecter de petites billes de deutérium ou de tritium sous forme de glace. On utilise des systèmes qui ressemblent à des pistolets à air comprimé, capables d'injecter les glaçons de deutérium à plusieurs kilomètres par seconde. Le dispositif est complexe, mais conduit à des efficacités de remplissage du plasma bien meilleures que l'injection de gaz [...]

Spanish

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