A study on carbon and hydrogen co-deposition behavior in methane-hydrogen mixed plasma

S. Kasahara, Kazunari Katayama, T. Fujiki, S. Ishikawa, Satoshi Fukada, M. Nishikawa

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Tritium retention in carbon deposition is known to be a serious problem in a fusion reactor. In the present study, co-deposition behavior of carbon and hydrogen was investigated by using methane-hydrogen mixed plasma. It has been shown that formation of the carbon deposition was suppressed at temperatures higher than 150°C. However, a small amount of carbon deposition was observed even at a high temperature of 300 °C. From mass balance calculation, it was estimated that a majority of carbon decomposed in the plasma was transported to the vacuum pumping system.

Original languageEnglish
Pages (from-to)1487-1490
Number of pages4
JournalFusion Science and Technology
Volume60
Issue number4
DOIs
Publication statusPublished - Jan 1 2011

Fingerprint

Methane
Hydrogen
Carbon
methane
Plasmas
carbon
hydrogen
Tritium
fusion reactors
mass balance
Fusion reactors
tritium
pumping
Vacuum
Temperature
vacuum

All Science Journal Classification (ASJC) codes

  • Civil and Structural Engineering
  • Nuclear and High Energy Physics
  • Nuclear Energy and Engineering
  • Materials Science(all)
  • Mechanical Engineering

Cite this

A study on carbon and hydrogen co-deposition behavior in methane-hydrogen mixed plasma. / Kasahara, S.; Katayama, Kazunari; Fujiki, T.; Ishikawa, S.; Fukada, Satoshi; Nishikawa, M.

In: Fusion Science and Technology, Vol. 60, No. 4, 01.01.2011, p. 1487-1490.

Research output: Contribution to journalArticle

Kasahara, S. ; Katayama, Kazunari ; Fujiki, T. ; Ishikawa, S. ; Fukada, Satoshi ; Nishikawa, M. / A study on carbon and hydrogen co-deposition behavior in methane-hydrogen mixed plasma. In: Fusion Science and Technology. 2011 ; Vol. 60, No. 4. pp. 1487-1490.
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