Streamer-Glow-Spark Transition in a Corona Radical Shower System During NOx Removal Operation
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- Yan Keping
- Oita University
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- Kanazawa Seiji
- Oita University
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- Ohkubo Toshikazu
- Oita University
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- Nomoto Yukiharu
- Oita University
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For nozzle-to-plate electrodes with a gap distance of 43mm, onset streamer occurs with a length of about 1.0-1.5cm when the applied voltage is increased to above the onset voltage Vc. Depending on gaseous compositions, onset streamer may become full streamer to cross the electrodes gap or transfer to the Hermstein glow with increasing the applied voltage. After streamer (peak current_??_60mA) bridging the gap, a long duration Townsend like glow discharge may be also formed, which may lead the spark breakdown. Bridging electrodes gap by streamer does not necessarily lead to spark breakdown. However, spark breakdown occurs only after streamer bridging the gap and a streamer channel, or Townsend like glow discharge, is formed between the nozzle and the plate. Moreover, spark breakdown occurs after a significant increase of the repetition rate of the self-sustained streamers. Depending on the average glow current, the time delay from streamer bridging the electrodes gap to spark breakdown ranges from 0.5 μs to 25 μs within test conditions. With regard to the attachment stability inside streamer channel, a simplified criterion for streamer-glow-spark transition is also discussed in this paper. Theoretical estimations of the time delay are in good agreement with the experiments.
収録刊行物
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- 電気学会論文誌. A
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電気学会論文誌. A 119 (7), 938-943, 1999
一般社団法人 電気学会
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詳細情報 詳細情報について
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- CRID
- 1390282679575410816
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- NII論文ID
- 130006838514
- 10004540480
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- NII書誌ID
- AN10136312
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- ISSN
- 13475533
- 03854205
- http://id.crossref.org/issn/13418939
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- NDL書誌ID
- 4780226
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- 使用不可