Stabilization of DC atmospheric pressure glow discharge by a fast gas flow along the anode surface

Kunihiko Hattori, Yutaka Ishii, Hiroyuki Tobari, Akira Ando, Masaaki Inutake

Research output: Contribution to journalArticlepeer-review

8 Citations (Scopus)

Abstract

We have investigated experimentally characteristics of an atmospheric pressure glow discharge (APGD) produced by pin-plate electrodes with a gas flow. An APGD is sustained by DC voltage applied between these electrode with main and auxiliary gas flow. The auxiliary air flow is added to the main flow in a localized region by using a tiny nozzle. It is found for the first time that the glow discharge current is significantly increased when the auxiliary nozzle is set near the anode plate. This finding is very important to clarify the mechanism of a flow-stabilized APGD. An excellent hydrophilic property is observed on a sodium silicate glass surface treated by the APGD plasma only several seconds.

Original languageEnglish
Pages (from-to)440-443
Number of pages4
JournalThin Solid Films
Volume506-507
DOIs
Publication statusPublished - 2006 May 26

Keywords

  • Atmospheric pressure glow discharge
  • Auxiliary nozzle
  • Gas flow
  • Pin-plate electrode

ASJC Scopus subject areas

  • Surfaces, Coatings and Films
  • Condensed Matter Physics
  • Surfaces and Interfaces

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