現場試験用0. 15μm単分散DOPエアロゾル発生装置の開発 Development of 0. 15 μm Monodisperse DOP Aerosol Generator for In-place Filter Test

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著者

    • 山田 裕司 YAMADA Yuji
    • 放射線医学総合研究所内部被ばく研究部 Division of Radiotoxicology, National Institute of Radiological Sciences
    • 小泉 彰 KOIZUMI Akira
    • 放射線医学総合研究所内部被ばく研究部 Division of Radiotoxicology, National Institute of Radiological Sciences

抄録

Recently the Japanese Industrial Standard on HEPA Filters for radioactive aerosols (JIS Z 4812) was revised, in which the standard particle size was changed to 0.15μm from 0.3μm. A new 0.15μm DOP aerosol generator was developed for in-place filter testing. The aerosol generator is of the vaporization-condensation type. The generated DOP aerosol were found to be quasi-monodispersive with a geometric standard deviation (σg) of less than 1.2 by laser aerosol spectrometer measurements. A typical size distribution of test aerosol was a count median diameter (CMD)=0.151μm and σg=1.15. The number concentration was 1.4×10<sup>4</sup>/cm<sup>3</sup> at an air flow rate of 7, 800m<sup>3</sup>/h. The stability, portability and operability of the new generator were also evaluated.

収録刊行物

  • 保健物理 : hoken buturi  

    保健物理 : hoken buturi 31(1), 33-39, 1996-03 

    Japan Health Physics Society

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各種コード

  • NII論文ID(NAID)
    10002135746
  • NII書誌ID(NCID)
    AN00228458
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    03676110
  • データ提供元
    CJP書誌  J-STAGE 
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