Numerical analysis of temperature distribution in the long DC arc thermal plasma for waste treatment

Sooseok Choi, Tian Ming Li, Takayuki Watanabe, Takashi Nakayama, Koji Otsuki

研究成果: ジャーナルへの寄稿記事

2 引用 (Scopus)

抄録

Numerical analysis has been conducted to characterize thermal plasma generated by a novel long direct current (DC) arc discharge system for waste treatment. Effects of arc current, gas flow rate, confinement tube diameter, and electrode gap distance on the temperature distribution of thermal plasma were investigated. From the numerical results, the design variables were expected to control over waste treatment processes effectively in the long DC arc thermal plasma. A broad high temperature distribution with low power consumption was predicted in the case of large diameter of the plasma confinement tube, because the less intrusion of cold gas into the arc column leads to the expanding of current density profile in the radial direction. In the downstream region, the fraction of low temperature area to cross sectional area that hinders the decomposition of wastes was decreased with increasing the electrode gap distance.

元の言語英語
ページ(範囲)201-208
ページ数8
ジャーナルJOURNAL OF CHEMICAL ENGINEERING OF JAPAN
46
発行部数3
DOI
出版物ステータス出版済み - 3 28 2013
外部発表Yes

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Plasma Gases
Waste treatment
Numerical analysis
Temperature distribution
Plasmas
Plasma confinement
Electrodes
Flow of gases
Electric power utilization
Current density
Gases
Flow rate
Decomposition
Hot Temperature
Temperature

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Chemical Engineering(all)

これを引用

Numerical analysis of temperature distribution in the long DC arc thermal plasma for waste treatment. / Choi, Sooseok; Li, Tian Ming; Watanabe, Takayuki; Nakayama, Takashi; Otsuki, Koji.

:: JOURNAL OF CHEMICAL ENGINEERING OF JAPAN, 巻 46, 番号 3, 28.03.2013, p. 201-208.

研究成果: ジャーナルへの寄稿記事

Choi, Sooseok ; Li, Tian Ming ; Watanabe, Takayuki ; Nakayama, Takashi ; Otsuki, Koji. / Numerical analysis of temperature distribution in the long DC arc thermal plasma for waste treatment. :: JOURNAL OF CHEMICAL ENGINEERING OF JAPAN. 2013 ; 巻 46, 番号 3. pp. 201-208.
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