Enhancement and Stabilization of Pulsed Streamer Discharge in Water by Adding Carbon Nanotubes

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概要

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• 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.

• 2010-08-25

著者

• SUEHIRO Junya

  Department of Electrical and Electronic Systems Engineering Graduate School of Information Science a

• IMASAKA Kiminobu

  Department of Electrical and Electronic Systems Engineering, Graduate School of Information Science

• Sun Wei

  Department Of Dermatology Nippon Medical School

• Kato Yuki

  Department Of Applied Mathematics And Physics Tottori University

• Khaled Usama

  Department of Electrical Engineering, Graduate School of Information Science and Electrical Engineering, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan

• Tomita Hironari

  Department of Electrical Engineering, Graduate School of Information Science and Electrical Engineering, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan

• Sun Wei

  Department of Electrical Engineering, Graduate School of Information Science and Electrical Engineering, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan

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