Temperature-dependent transition of discharge pattern of He/air cryoplasma

Jai Hyuk Choi, Yuri Noma, Takaaki Tomai, Kazuo Terashima

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

Dielectric barrier discharges were generated under atmospheric pressure at temperatures ranging from room temperature down to 88 K. The gas temperature of the plasma generated by the discharges was controlled by liquid nitrogen, and a mixture of helium and air was used as the discharge gas. We found that microdischarges exhibited temperature-dependent specific discharge patterns as the temperature decreased. This transition of discharge patterns was closely related to the change in the gap voltage at breakdown. A possible scenario that may explain the pattern of the transition of the microdischarges is discussed.

Original languageEnglish
Article number081504
JournalApplied Physics Letters
Volume93
Issue number8
DOIs
Publication statusPublished - 2008 Sep 15
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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