周期的に静電噴霧したインジゴカルミン水溶液の脱色におけるパルス放電位相の影響

カテゴリ: 論文誌(論文単位)

グループ名: 【A】基礎・材料・共通部門

発行日: 2022/04/01

タイトル(英語): Influence of Pulsed Discharge Timing on Decolorization of Indigo-carmine Solution with Periodic Electrospray

著者名: 高橋　達也（愛媛大学大学院理工学研究科），弓達　新治（愛媛大学大学院理工学研究科），尾崎　良太郎（愛媛大学大学院理工学研究科），門脇　一則（愛媛大学大学院理工学研究科）

著者名(英語): Tatsuya Takahashi (Graduate School of Science and Engineering, Ehime University), Shinji Yudate (Graduate School of Science and Engineering, Ehime University), Ryotaro Ozaki (Graduate School of Science and Engineering, Ehime University), Kazunori Kadowaki (Graduate School of Science and Engineering, Ehime University)

キーワード: 静電噴霧，ストリーマ放電，交互拡散，インジゴカルミン，水処理　　electrospray，streamer discharge，alternating expansion，indigo-carmine，water treatment

要約(英語): This paper presents an experimental study on electrospray with pulsed streamer discharges from a syringe needle for de-colorization of a blue dye. To spread fine mists of an indigo-carmine solution from the syringe electrode with a constant frequency, a sinusoidal voltage is superimposed onto a positive dc applied voltage. The voltage ripple produce by the ac component has as an important role to repeat the electro-spray intermittently at a phase θ0=150° of the sinusoidal wave. In addition, high voltage nanosecond pulses are repeatedly superimposed at another phase θp to propagate positive streamer discharges from the syringe. Results show that the de-colorization rate of the blue dye increases with decreasing the phase lag φ=θp-θ0. If the phase lag is sufficiently reduced, the electro-spray is immediately followed by the pulsed streamer discharge, so that the streamer discharge channels can be propagated into the gap filled with the mist. We confirm that the streamer discharges from the tip of the water taylor cone can propagate with a high probability when φ=10°. These facts indicate that the timing control of the pulse superposition is very important for the water treatment with the electrospray.

本誌: 電気学会論文誌A（基礎・材料・共通部門誌） Vol.142 No.4 （2022） 特集：2021年基礎・材料・共通部門大会

本誌掲載ページ: 132-137 p

原稿種別: 論文／日本語

電子版へのリンク: https://www.jstage.jst.go.jp/article/ieejfms/142/4/142_132/_article/-char/ja/