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タイトル :Polarity Effect in DC Breakdown Voltage Characteristics of Pressurized Carbon Dioxide up to Supercritical Conditions
著者 :Kiyan, Tsuyoshi
Takade, Maya
Namihira, Takao
Hara, Masanori
Sasaki, Mitsuru
Goto, Motonobu
Akiyama, Hidenori
刊行年月日 :2008-6
収録雑誌名 :IEEE transactions on plasma science
巻 :36
号 :3, part2
開始ページ :821
終了ページ :827
要約(Abstract) :This paper deals with the effect of the polarity and gap geometry on dc breakdown voltage characteristics of a pointto- plane gap in supercritical carbon dioxide (SC CO2) that is required to design a plasma reactor. In the experiments, the gap width d and the curvature radius of the point tip r were changed in the range of 80 to 300 μm and 50 to 170 μm respectively, and the CO2 state was controlled within the gas, liquid, and SC phases. The experimental results showed that a remarkable polarity effect appeared under certain gap conditions. As a result, it was found that negative polarity and a higher stressed electrode are desired conditions for the dc plasma reactor since an active corona supplying rich chemical radicals appears in SC CO2 under such conditions.
収録種別 :雑誌掲載論文
出版社(者) :Institute of Electrical and Electronics Engineers
権利(Rights) :(c)2008 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.
URI :http://hdl.handle.net/2298/9548
このアイテムの引用には次の識別子を使用してください: http://hdl.handle.net/2298/9548