電気集じん器のコロナ放電々界におけるイオン風についての研究(第一報)

概要

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Ionic wind occurs in the corona discharging field because of the flow of many ions. It acts in complicated manner in the collecting field of the electrical precipitator. The purpose of the experiment is to find the influences of the ionic wind on the collecting forces in the corona discharging field of the electrical precipitator. The first step of sudies is to investigate the natures of the ionic wind in the corona discharging field in atmospheric air. Generally the negative corona is used in the electrical precipitation, therefore in this experiment only the negative corona is used. The 1-needle, the 7-needles or the cylinder electrode are used as the dischargnig electrode, and the wire net or the plate as the collecting electrode. The experimental considerations are on the comparison between the distribution of ionic wind velocity and that of corona current density, and the relation between ionic wind velocity and applied voltage. The results of experiments show the behavior of the ionic wind qualitatively well, and are useful to consider its effect on the collecting forces.
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