| CHEN Wei-ru,FENG Ying-jin.An application research of the computer simulation for cosmic radiation protection at civil flying altitude[J].Chinese Journal of Radiological Medicine and Protection,2005,25(2):156-159 |
| An application research of the computer simulation for cosmic radiation protection at civil flying altitude |
| Received:March 25, 2004 |
| DOI： |
| KeyWords:Monte Carlo method Cosmic radiation environment Air crew Radiation protection |
| FundProject:国家自然科学基金资助项目(30370358;60472119) |
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| Abstract:: |
| Objective To explore a practicable process to estimate the cosmic radiation exposure doses to aircrews of civil aviation at flying altitude. Methods The effectives dose and effective dose rates of several flight routes were obtained by using European Computer Program Package for Calculation of Aviation Route Dases.EPCARD. The colculated results were discussed and compared with the experimental data. Results The calculated results were in good agreement with the measured results for a number of routes,but there were many disagreements among the measured results due to different experimenters,different instruments or different calculaion methods. Conclusion Because it is still quite difficult to measure all radiation components at flying altitudes with convenient personnel dosimeters,the effective dose is not directly measurable and either has to be fully calculated or be converted from measurements that represent an initial approximation to actual doses,and the computer estimation system is a practicable tool for calculation of cosmic radiation effective dose. |
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