501 ナノ秒パルスコロナ放電により誘起される環境保全非熱プラズマの数値シミュレーション(2)(OS5-1 機能性流体工学の先端融合化,OS5 機能性流体工学の先端融合化,オーガナイズドセッション)

概要

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Numerical analyses are conducted on a nanosecond positive pulse dielectric barrier discharge-induced nonthermal plasma (NTP) for pollution control. In the numerical analysis, commercial simulation software, CFD-ACE+ solver, is used. In the one-dimensional simulation, a streamer progressing from the positive electrode to the grounded one is well simulated. At the end of the pulse, the electron temperature and electron number density in the coaxial-type plasma reactor finally reach approximately 1.7 eV and 10-<15> m^<-3>, respectively. During the single pulse, the peak concentration of ozone is approximately 40 ppm near the surface of the glass barrier. Further, in the two-dimensional simulation result, the streamers propagations (1st and 2nd) can be first simulated well numerically.
2007-11-17