Ohmic and neutral beam heated detached plasmas on TFTR

C. E. Bush, J. Schivell, J. D. Strachan, R. V. Budny, S. Cohen, B. Grek, A. Janos, D. W. Johnson, D. Manos, D. K. Mansfield, D. Mueller, H. H. Towner, R. M. Wieland, S. Yoshikawa

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16 Scopus citations


Detached plasmas have been proposed as a means of distributing power losses uniformly on walls in ITER and other reactor scenarios. Ohmically and neutral beam injection (NBI) heated detached plasma studies are being carried out on TFTR in order to help determine the practicality of this concept. NBI heated detached plasmas with up to 8.5 MW of beam power have been maintained detached for up to 300 ms. A confinement related delay in the radiated power is observed at low beam power. H-mode-like events have been observed for several beam heated detached plasmas and radiative emissivities as high as 0.8 MW/m3 have been realized. These results are especially of interest to ITER and other reactor design studies.

Original languageEnglish (US)
Pages (from-to)786-791
Number of pages6
JournalJournal of Nuclear Materials
Issue numberC
StatePublished - Dec 3 1990

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics
  • General Materials Science
  • Nuclear Energy and Engineering


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