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タイトルPerformance characteristics of forced constricted type plasma jet generator with divergent nozzle anode for processing
作成者Osaki, Katashi
Fujimoto, Satoru
Fukumasa, Osamu
Kobayashi, Akira
作成者ヨミオオサキ, カタシ
フジモト, サトル
フクマサ, オサム
コバヤシ, アキラ
作成者別表記大崎, 堅
藤本, 聡
福政, 修
作成者所属山口大学大学院理工学研究科(工学)
内容記述(抄録等)In order to increase a jet power and an operating duration time of the forced constricted type plasma jet generator developed by authors, newly designed divergent nozzle anodes were developed. The diameter of nozzle anode changed in two steps, i.e. the inner diameter increased stepwise from the inlet towards the exit. The effects of the nozzle configuration on the characteristics of the arc and plasma jet were studied experimentally. The anode spot always attached at the taper section between the inlet region and the exit region. The arc voltage decreased by 3.2-9.1 V compared with that of a cylindrical nozzle anode, but a stable operating arc current expand up to 200 A. A stable and high power plasma jet was maintained over a long time at 200 A in arc current. The most suitable length of the inlet region was 2 mm, when the diameter of the inlet and exit regions was 6 and 8 mm, respectively.
本文言語eng
著者キーワードPlasma jet
Arc plasma
Arc constriction
Plasma jet generator
Nozzle anode
資料タイプtext
出版者Elsevier
NII資料タイプ学術雑誌論文
査読の有無査読あり
ISSN0042-207X
NCIDAA00879589
掲載誌名Vacuum
73
3-4
開始ページ365
終了ページ371
発行日2004
DOIinfo:doi/10.1016/j.vacuum.2003.12.056
関連情報URL(IsPartOf)http://www.sciencedirect.com/science/journal/0042207X
著者版/出版社版その他
リポジトリID2008010123
地域区分山口大学
URIhttp://www.lib.yamaguchi-u.ac.jp/yunoca/handle/2008010123