Fundamental studies on switching arcs -Experimental and numerical approaches

Yasunori Tanaka, Tomoyuki Nakano, Sun Hao, Kentaro Tomita, Yuki Inada, Akiko Kumada, Kunihiko Hidaka, Takayasu Fujino, Katsumi Suzuki, Takeshi Shinkai

研究成果: Chapter in Book/Report/Conference proceedingConference contribution

2 被引用数 (Scopus)

抄録

Both experimental and numerical approaches have been done on switching arc plasmas for fundamental studies. In the experimental approaches, power-semiconductor switching has been used to control intentional current injections and voltage applications to switching arcs with a high accuracy in time. The systematic experiments provided the interruption probability property for different gas kinds and gas flow rates, as well as the dielectric recovery properties between the electrodes. Time evolutions in electron density were derived by Laser Thomson Scattering (LTS) and Shack-Hartmann (SH) method for different gases. On the other hand, for this nozzle space, numerical models were developed to simulate arc dynamic behaviors with and without local thermodynamic equilibrium (LTE) assumptions for different gases. It was found that the time evolution in electron density derived by the chemically non-equilibrium model is in good agreement with the experimental results by LTS.

本文言語英語
ホスト出版物のタイトルICEPE-ST 2017 - 4th International Conference on Electric Power Equipment- Switching Technology
出版社Institute of Electrical and Electronics Engineers Inc.
ページ1-10
ページ数10
ISBN(電子版)9781538616512
DOI
出版ステータス出版済み - 12 12 2017
イベント4th International Conference on Electric Power Equipment- Switching Technology, ICEPE-ST 2017 - Xi'an, 中国
継続期間: 10 22 201710 25 2017

出版物シリーズ

名前ICEPE-ST 2017 - 4th International Conference on Electric Power Equipment- Switching Technology
2017-December

その他

その他4th International Conference on Electric Power Equipment- Switching Technology, ICEPE-ST 2017
国/地域中国
CityXi'an
Period10/22/1710/25/17

All Science Journal Classification (ASJC) codes

  • 電子工学および電気工学
  • エネルギー工学および電力技術

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