Control of the area irradiated by the sheet-type plasma jet in atmospheric pressure

26th Symposium on Plasma Sciences for Materials

物理学;材料科学

Kawasaki, T.^1 ; Kawano, K.^1 ; Mizoguchi, H.^1 ; Yano, Y.^1 ; Yamashita, K.^1 ; Sakai, M.^1 ; Uchida, G.^2 ; Koga, K.^3 ; Shiratani, M.^3

Department of Mechanical and Electrical Engineering, Faculty of Engineering, Nippon Bunri University, 1727 Ichigi, Oita 870-0397, Japan^1

Joining and Welding Research Institute, Osaka University, 11-1 Mihogaoka, Ibaraki, Osaka 567-0047, Japan^2

Department of Electronics, Faculty of Information Science and Electrical Engineering, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan^3

关键词: Area control;    Asymmetric electrodes;    Atmospheric air;    Chemical reagents;    Dielectric plates;   

Others  :  https://iopscience.iop.org/article/10.1088/1742-6596/518/1/012016/pdf
DOI  :  10.1088/1742-6596/518/1/012016

学科分类：材料科学（综合）

来源: IOP

【 摘 要 】

The sterilization effect has been investigated using the sheet-type plasma jet, which was generated between asymmetric electrodes with dielectric plates in gas flow released into the atmospheric air. In this paper, it is indicated there is a possibility that the plasma jet irradiation area can be controlled only by supplied gases without changing a generator structure. The irradiation area control was evaluated from both the sterilization area size and the oxidizing substances distribution. The oxidizing substance distribution was obtained using the chemical reagent prepared in our laboratory. The width of the sheet-type plasma jet was able to be controlled by N2 addition into He gas. As a result, the width of the sterilization area was able to be controlled within the range of 2 to 12 mm at a constant height without changing the generator structure. On the other hand, the evaluation from the oxidizing substances distribution indicated that the irradiation area cannot be controlled in one direction.