The compact, multiple barrel high speed pellet injector for the ignitor experiment

S. Migliori, A. Frattolillo, S. K. Combs, L. R. Baylor, G. Roveta, F. Bombarda, R. Foust, D. T. Fehling, J. M. McGill, J. B.O. Caughman, J. C. Thomas

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

2 Scopus citations

Abstract

A four barrel, double stage pellet injector for the Ignitor experiment is under construction in collaboration between the ENEA Laboratory at Frascati and the Oak Ridge National Laboratory. The goal is to reach pellet velocities up to 4 km/s. Innovative concepts at the basis of the injector design considerably reduce the requirements on the expansion volumes necessary to prevent the propulsion gas to reach the plasma chamber. The full four barrels, double stage gun and gas removal system have been built and tested, while the design and construction of the pellet injector vacuum chamber, cryogenic system, gun barrels and pellet diagnostics is underway at ORNL, where the final assembly and testing of the complete system will be carried out.

Original languageEnglish
Title of host publication21st IEEE/NPS Symposium on Fusion Engineering, SOFE'05
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Print)142440150X, 9781424401505
DOIs
StatePublished - 2005
Event21st IEEE/NPS Symposium on Fusion Engineering, SOFE'05 - Knoxville, TN, United States
Duration: Sep 26 2005Sep 29 2005

Publication series

NameProceedings - Symposium on Fusion Engineering

Conference

Conference21st IEEE/NPS Symposium on Fusion Engineering, SOFE'05
Country/TerritoryUnited States
CityKnoxville, TN
Period09/26/0509/29/05

Keywords

  • High speed pellet injector
  • Ignitor
  • Pellet injector

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