Numerical Simulation of Streamer Propagation and Radical Reactions in Positive Corona Discharge in N_2/NO and N_2/O_2/NO
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概要
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Two-dimensional calculation of a positive streamer in corona discharge was carried out in the point-plane electrodes in N_2/NO(300ppm) and N_2/O_2(20%)/NO(300ppm) at atmospheric pressure. Although similar works have been already published. the distinctive features of our work are (i) the long calculation time (〜500ns) compared with other works, and (ii) the introduction of chemical reactions. The excited species with short radiative lifetime such as N_2(B^3Π_g) and N_2(C^3Π_u) are included in addition to radicals and metastable species. First, the physical property of a positive corona streamer was clarified before and after the streamer bridging between the point-plane electrodes. Second, chemical reaction processes in the early discharge stage (〜500ns) were examined. Particularly, the radical production process and its efficiency were evaluated. Third, the effect of turning off the applied voltage on positive streamer corona discharge was studied. [DOI: 10.1143/JJAP.41.844]
- 社団法人応用物理学会の論文
- 2002-02-15
著者
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Tochikubo Fumiyoshi
Departmen Of Electrical Engineering Tokyo Metropolitan University
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Arai Hideyuki
Department Of Electrical Engineering Tokyo Metropolitan University
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Arai Hideyuki
Department of Chemistry, Faculty of Science, Toyama University
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