FusionPapers
図版検索トレンドwiki日本の研究
© 2026 FUSIONPAPERS
About法務情報
トップに戻る

Time-dependent coupling of electron energy distribution function, vibrational kinetics of the asymmetric mode of CO2 and dissociation, ionization and electronic excitation kinetics under discharge and post-discharge conditions

L D Pietanza, G Colonna, G DAmmando, M Capitelli2017年Plasma Physics and Controlled FusionIF 2.2出版社

A time-dependent self-consistent model based on the coupling of the Boltzmann equation for the electron energy distribution function (EEDF) with the non-equilibrium vibrational kinetics of the asymmetric mode, as well as a simplified global model, have been implemented for a pure CO2 plasma. The simplified time-dependent global model takes into account dissociation and ionization as well as the reverse of these processes. It also takes into account the excitation/de-excitation of an electronic excited state at 10.5 eV. The model has been applied to describe the discharge and post-discharge conditions typically met in an atmospheric-pressure dielectric barrier discharge (DBD) and in a moderate-pressure microwave discharge. The reported results show the strong coupling between the excited state and the electron energy distribution kinetics due to superelastic (vibrational and electronic) collisions. Moreover, the dissociation rate from a pure vibrational mechanism can become competitive with the corresponding rate from the direct electron impact mechanism at high values of vibrational temperature.

日本語訳

純粋なCO2プラズマに対して、電子エネルギー分布関数(EEDF)に関するボルツマン方程式と、非対称モードの非平衡振動動力学との連成に基づく時間依存自己無撞着モデル、ならびに簡略化されたグローバルモデルを実装した。この簡略化された時間依存グローバルモデルは、解離と電離、およびこれらの逆過程を考慮する。また、10.5 eVにおける電子励起状態の励起・脱励起も考慮する。本モデルは、大気圧誘電体バリア放電(DBD)および中圧マイクロ波放電において典型的に遭遇する放電時および放電後条件の記述に適用された。報告された結果は、超弾性(振動および電子)衝突による電子励起状態と電子エネルギー分布動力学との間の強い連成を示している。さらに、純粋な振動機構による解離率は、高い振動温度において、直接電子衝突機構による対応する解離率と競合し得ることが示された。

この論文にはまだAI要約がありません。

関連論文

Activation of vibrational-induced CO2 dissociation in cold non-equilibrium plasma

2023Plasma Physics and Controlled Fusion

Time dependent selfconsistent electron energy distribution functions during nano-second repetitive discharges in reacting N2/H2 mixtures

2020Plasma Physics and Controlled Fusion

Kinetic theory of low-temperature plasmas in molecular gases

2000Plasma Physics and Controlled Fusion

Vibrational kinetics, electron dynamics and elementary processes in H2 and D2 plasmas for negative ion production: modelling aspects

2006Nuclear Fusion

Electron-impact dissociation cross sections of vibrationally excited He molecular ion

2016Plasma Physics and Controlled Fusion

Fluid modelling of capacitively coupled radio-frequency discharges: a review

2012Plasma Physics and Controlled Fusion

Self-consistent electron energy distribution functions, vibrational distributions, electronic excited state kinetics in reacting microwave CO2plasma: An advanced model

2020Physics of Plasmas

Electric and magnetic dissociation and ionization of molecular ions and neutral atoms

1960Nuclear Fusion

Excited-state kinetics and radiation transport in low-temperature plasmas

2015Plasma Physics and Controlled Fusion

Electron-CO excitation and ionization cross sections for plasma modeling

2019Plasma Physics and Controlled Fusion