外部電界中における微粒子の荷電に関する実験的研究 -PSLおよびDOP粒子の荷電特性の実験結果- An Experimental Study on Charging of Fine Particle in External Electric Field -Experimental Results of Charging Characteristics on PSL and DOP Particles-

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Many studies on particle charging theory in submicron region were reported previously, however, experimental studies on particle charging were only a few. Therefore, in this study, monodisperse Polystyrene latex (hereafter, PSL) aerosol (particle diameter, <I>D</I><SUB>p</SUB> = 0.401, 0.791, 1.001 μm) and polydisperse Dioctylphthalate (hereafter, DOP) aerosol (<I>D</I><SUB>p</SUB> = 0.8 μm) were charged by a corona type particle charger, which were charged by positive ions, and then, the amount of charge was measured by two kinds of methods; a differential mobility analyzer (hereafter, DMA) and electrical aerosol detector with an induced type Faraday cage (hereafter, EAD). In the present experiment, charging characteristics of particle, that is, the relation between number of charges on particle ions and charging time, was investigated with parameters which were particle diameter, ion concentration and strength of electric field. An extensive experiment in electric field was carried out by changing frequency of square wave of applied voltage and particle diameter on PSL. The experimental results were compared with the combined field and diffusion charging theory in the continuum region, that is, Liu-Kapadia's theory. It was found that the experimental results were agreed with the theory.

収録刊行物

  • エアロゾル研究 = Journal of aerosol research  

    エアロゾル研究 = Journal of aerosol research 14(1), 46-54, 1999-03-20 

    日本エアロゾル学会

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各種コード

  • NII論文ID(NAID)
    10002783307
  • NII書誌ID(NCID)
    AN10041511
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    09122834
  • NDL 記事登録ID
    4685633
  • NDL 雑誌分類
    ZP5(科学技術--化学・化学工業--化学工学)
  • NDL 請求記号
    Z17-1062
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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