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MEASURING COSMIC-RAY EXPOSURE IN AIRCRAFT USING REAL-TIME PERSONAL DOSEMETERS

机译:使用实时个人剂量仪测量飞机的宇宙射线照射

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摘要

Aircrew exposure to radiation was measured on several long-haul flights using two small commercial electronic personal dosemeters: one was a photon dosemeter, the NRF20; the other was a neutron dosemeter, the NRY21-both manufactured by Fuji Electric Systems Co. Ltd. for radiation protection at nuclear facilities. Non-neutron doses were measured using the photon dosemeter, and neutron doses were measured using the neutron dosemeter. The measured non-neutron doses at commercial aviation altitudes agree with the EPCARD (European Program Package for the Calculation of Aviation Route Doses) dose calculation within a difference of 8 %. However, the recorded neutron doses were 5-15 times larger than the EPCARD calculation. These over-measurements are dependent on cut-off rigidities.
机译:在两次长途飞行中,机组人员使用两种小型的商用电子个人剂量仪进行了辐射暴露测量:一种是光子剂量仪NRF20;另一种是光子剂量仪NRF20。另一个是中子剂量计,NRY21,都是由富士电气系统有限公司制造的,用于核设施的辐射防护。使用光子剂量计测量非中子剂量,并使用中子剂量计测量中子剂量。在商业航空高度测量的非中子剂量与EPCARD(欧洲航空路线剂量计算程序包)剂量计算相差8%。但是,记录的中子剂量比EPCARD计算的大5-15倍。这些过大的测量取决于截止刚度。

著录项

  • 来源
    《Radiation Protection Dosimetry》 |2012年第2期|p.169-176|共8页
  • 作者单位

    National Institute of Radiological Sciences, Chiba 263-8555, Japan;

    Fuji Electric Systems Co. Ltd, Radiation Equipment Department, Hino, Tokyo 191-8502, Japan;

    Fuji Electric Systems Co. Ltd, Radiation Equipment Department, Hino, Tokyo 191-8502, Japan;

    Fuji Electric Systems Co. Ltd, Radiation Equipment Department, Hino, Tokyo 191-8502, Japan,Cyclotron and Radioisotope Center, Tohoku University,Sendai, 980-8579, Japan;

    Royal Military College of Canada, Kingston, ON, Canada K7K 7B4;

    Royal Military College of Canada, Kingston, ON, Canada K7K 7B4;

    University of New South Wales, Sydney, 2052, Australia;

    Royal Military College of Canada, Kingston, ON, Canada K7K 7B4;

  • 收录信息 美国《科学引文索引》(SCI);美国《化学文摘》(CA);
  • 原文格式 PDF
  • 正文语种 eng
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