Effects of the Driving Frequency on Temperature in a Multiphase AC Arc

Takafumi Okuma, Hiroki Maruyama, Taro Hashizume, Manabu Tanaka, Takayuki Watanabe, Hisao Nagai, Takeshi Koiwasaki, Hiroshi Nasu

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Effects of the driving frequency on temperature in a multiphase ac arc were successfully clarified. A multiphase ac arc is one of the thermal plasmas, which is suitable for producing functional materials such as nanoparticles, in-flight glass melting, and waste treatment in terms of its large plasma volume, high-energy efficiency, and low flow velocity. The temperature and arc behavior in various driving frequencies were investigated by the observation system consisting of a high-speed video camera and bandpass filters for plasma spectroscopy. The temperature measurement was conducted on the basis of the Boltzmann plot method. The obtained results indicated that the arc behavior and its temperature field were strongly influenced by the driving frequency. An increase of the frequency led to concentrated arc region, higher arc temperature at the center of electrode region and lower arc fluctuation. The temperature and its distribution can be controlled depending on the material properties to be treated and the purpose of the process.

Original languageEnglish
Article number8357608
Pages (from-to)32-38
Number of pages7
JournalIEEE Transactions on Plasma Science
Volume47
Issue number1
DOIs
Publication statusPublished - Jan 1 2019

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alternating current
arcs
temperature
temperature distribution
waste treatment
thermal plasmas
bandpass filters
low speed
temperature measurement
flow velocity
plots
cameras
melting
high speed
flight
filters
nanoparticles
electrodes
glass
spectroscopy

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics
  • Condensed Matter Physics

Cite this

Effects of the Driving Frequency on Temperature in a Multiphase AC Arc. / Okuma, Takafumi; Maruyama, Hiroki; Hashizume, Taro; Tanaka, Manabu; Watanabe, Takayuki; Nagai, Hisao; Koiwasaki, Takeshi; Nasu, Hiroshi.

In: IEEE Transactions on Plasma Science, Vol. 47, No. 1, 8357608, 01.01.2019, p. 32-38.

Research output: Contribution to journalArticle

Okuma, T, Maruyama, H, Hashizume, T, Tanaka, M, Watanabe, T, Nagai, H, Koiwasaki, T & Nasu, H 2019, 'Effects of the Driving Frequency on Temperature in a Multiphase AC Arc', IEEE Transactions on Plasma Science, vol. 47, no. 1, 8357608, pp. 32-38. https://doi.org/10.1109/TPS.2018.2832286
Okuma, Takafumi ; Maruyama, Hiroki ; Hashizume, Taro ; Tanaka, Manabu ; Watanabe, Takayuki ; Nagai, Hisao ; Koiwasaki, Takeshi ; Nasu, Hiroshi. / Effects of the Driving Frequency on Temperature in a Multiphase AC Arc. In: IEEE Transactions on Plasma Science. 2019 ; Vol. 47, No. 1. pp. 32-38.
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