Lewis B J, Bennett L G I, Green A R, Butler A, Desormeaux M, Kitching F, McCall M J, Ellaschuk B, Pierre M
Department of Chemistry and Chemical Engineering, Royal Military College of Canada, P.O. Box 17000, Stn Forces, Kingston, Ontario, Canada K7K 7B4.
Radiat Prot Dosimetry. 2005;116(1-4 Pt 2):320-6. doi: 10.1093/rpd/nci024.
During 2003, a portable instrument suite was used to conduct cosmic radiation measurements on 49 jet-altitude flights, which brings the total number of in-flight measurements by this research group to over 160 flights since 1999. From previous measurements, correlations have been developed to allow for the interpolation of the dose-equivalent rate for any global position, altitude and date. The result was a Predictive Code for Aircrew Radiation Exposure (PCAIRE), which has since been improved. This version of the PCAIRE has been validated against the integral route dose measurements made at commercial aircraft altitudes during the 49 flights. On most flights, the code gave predictions that agreed to the measured data (within +/- 25%), providing confidence in the use of PCAIRE to predict aircrew exposure to galactic cosmic radiation. An empirical correlation, based on ground-level neutron monitoring data, has also been developed for the estimation of aircrew exposure from solar energetic particle (SEP) events. This model has been used to determine the significance of SEP exposure on a theoretical jet altitude flight during GLE 42.
2003年期间，使用一套便携式仪器在49次喷气式飞机高空飞行中进行了宇宙辐射测量，这使该研究小组自1999年以来的飞行中测量总数超过了160次。根据先前的测量结果，已建立了相关性，以便能够对任何全球位置、高度和日期的剂量当量率进行插值。结果产生了一个机组人员辐射暴露预测代码（PCAIRE），此后该代码不断改进。此版本的PCAIRE已根据49次飞行期间在商用飞机高度进行的积分航线剂量测量进行了验证。在大多数飞行中，该代码给出的预测与测量数据相符（在±25%范围内），这为使用PCAIRE预测机组人员受到银河宇宙辐射的情况提供了信心。还基于地面中子监测数据建立了一种经验相关性，用于估算机组人员因太阳高能粒子（SEP）事件而受到的辐射。该模型已用于确定在第42次地面增强事件（GLE 42）期间一次理论喷气式飞机高空飞行中SEP暴露的重要性。
