DMA, CNCを用いたエアロゾル粒度分布の迅速測定法の一つの試み A Rapid Measurement Method for Aerosol Size Distributions Using DMA and CNC

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著者

    • 明星 敏彦 MYOJO Toshihiko
    • 労働省産業医学総合研究所人間工学特性研究部 Department of Human Engineering, National Institute of Industrial Health

抄録

To accelerate measurement of particle size distributions by a differential mobility classifier (DMA) with a condensation nuclei counter (CNC), a computer-controlled rapid stepping mode was developed as an operation method. The rod voltage of DMA was varied stepwise every 6 seconds to select particles with a given mobility. Thirty aerosol concentrations were measured within 200seconds. Our system showed a 12 second time-delay between voltage shift and aerosol concentration response. After adjustment of the time-delay, the size distribution ranging from 0.014 to 0.373 μm was determined by a stepping mode analysis (Adachi, 1990). For polystyrene latex aerosol and sodium chloride aerosol, the size distributions measured with the rapid stepping mode agreed with those measured by the ordinary stepping mode.

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(2), 154-157, 1999-06-20 

    日本エアロゾル学会

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各種コード

  • NII論文ID(NAID)
    10002783410
  • 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
    4775341
  • 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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