Enhancement and stabilization of pulsed streamer discharge in water by adding carbon nanotubes

Kiminobu Imasaka, Wei Sun, Hironari Tomita, Yuki Kato, Usama Khaled, Junya Suehiro

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Effects of adding single-walled carbon nanotubes (SWCNTs) on pulsed streamer discharge characteristics in water were investigated. Adding a small amount of SWCNTs to deionized water generated stable streamer discharge. The number of streamer onset positions on a high-voltage wire electrode and the length of the streamer channels dramatically increased, in which the particles are larger than SWCNTs. The emission of the streamers became intense, and their propagation velocity increased rapidly in the SWCNT suspension. The SWCNTs' effects on the streamer discharge are discussed on the basis of a numerical calculation of the electric field around an SWCNT and a graphite powder particle. The electric field strength at the tip of a vertically standing SWCNT was strongly enhanced. The results suggested that adding SWCNTs to water could enhance and stabilize streamer discharge onset and its propagation.

Original languageEnglish
Article number086203
JournalJapanese Journal of Applied Physics
Volume49
Issue number8 PART 1
DOIs
Publication statusPublished - Aug 1 2010

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Single-walled carbon nanotubes (SWCN)
Carbon nanotubes
Stabilization
stabilization
carbon nanotubes
augmentation
water
Water
Electric fields
Deionized water
propagation velocity
electric field strength
high voltages
Graphite
graphite
wire
Wire
Powders
Electrodes
electrodes

All Science Journal Classification (ASJC) codes

  • Engineering(all)
  • Physics and Astronomy(all)

Cite this

Enhancement and stabilization of pulsed streamer discharge in water by adding carbon nanotubes. / Imasaka, Kiminobu; Sun, Wei; Tomita, Hironari; Kato, Yuki; Khaled, Usama; Suehiro, Junya.

In: Japanese Journal of Applied Physics, Vol. 49, No. 8 PART 1, 086203, 01.08.2010.

Research output: Contribution to journalArticle

Imasaka, Kiminobu ; Sun, Wei ; Tomita, Hironari ; Kato, Yuki ; Khaled, Usama ; Suehiro, Junya. / Enhancement and stabilization of pulsed streamer discharge in water by adding carbon nanotubes. In: Japanese Journal of Applied Physics. 2010 ; Vol. 49, No. 8 PART 1.
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