カメラ法による空気，酸素および窒素ガス中におけるリヒテンベルグ図形の研究 : 正極性インパルスの場合

概要

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Photographs of the surface discharge on the sheet film were taken with the camera fixed upon the rod electrode. In this case, the sheet film was placed on the acryl resin on the earthed plate electrode and the standard wave-shape positive impulse voltage was applied to it with the rod electrode.　　Comparing Lichtenberg Figures taken with the camera with Lichtenberg Figures on the sheet film in air, oxygen and nitrogen gases, the authors found that differences of the maximum length of the Figure from the eletrode to the exposed area existed between the Figure taken with the camera and the Figure on　the　sheet　film，and depended on the applied voltage.　　In the experiment in air using these results, it became clear that the maximum length of the figure versus applied voltage for the surface discharge on the acryl resin plate could be obtained by correcting the maximum length of the Lichtenberg Figure using a camera with the difference, and the character of that relation had the same character as that of Dust Figure.
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