Calculation of Route Doses for Korean-based International Airline Routes using CARI-6 and Estimation of Aircrew Exposure

CARI-6를 이용한 국제선 노선별 선량 및 항공승무원의 피폭선량 평가

  • Hong, J.H. (Dept. of Nuclear Engineering, Hanyang University) ;
  • Kwon, J.W. (Dept. of Nuclear Engineering, Hanyang University) ;
  • Jung, J.H. (Dept. of Nuclear Engineering, Hanyang University) ;
  • Lee, J.K. (Dept. of Nuclear Engineering, Hanyang University)
  • 홍종호 (한양대학교 원자력공학과) ;
  • 권정완 (한양대학교 원자력공학과) ;
  • 정제호 (한양대학교 원자력공학과) ;
  • 이재기 (한양대학교 원자력공학과)
  • Published : 2004.06.30


Dose rate characteristics of cosmic radiation field at flight altitudes were analyzed and the route doses to the personnels on board due to cosmic-ray were calculated for Korean-based commercial international airline routes using CARI-6. Annual individual doses to aircrew and the collective effective dose of passengers were estimated by applying the calculated route doses to the flight schedules of aircrew and the air travel statistics of Korea. The result shows that the annual doses to aircrew, around 2.62 mSv, exceed the annual dose limit of public and are comparable to doses of the group of workers occupationally exposed. Therefore it is necessary to consider the frequent flyers as well as the aircrew as the occupational exposure group. The annual collective dose to 11 million Korean passengers in 2001 appeared to be 136 man-Sv. The results should be modified when the dose rates of cosmic radiation at high altitude are revised by taking into account the changes in the radiation weighting factors for protons and neutrons as given in ICRP 92.


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