Measurement of neutron radiation exposure of commercial airline pilots using bubble detectors.
Neutron bubble detectors have been used over a 1-yr period by commercial airline pilots from Air Canada and Air France to measure the high-altitude neutron radiation exposure produced by galactic cosmic rays.
The present work yielded measurements of the neutron flux of 1.0 to 4.6 n/cm2. s, and the neutron dose equivalent rates of 1.7 to 7.7 muSv/h. These measurements are in agreement with previous studies using high-altitude aircraft and conventional neutron instrumentation.
The total dose equivalents for the Air Canada flights are also consistent with predictions of the CARI code.
Considering that the neutron component contributes ~50% of the total dose equivalent, this study indicates that the annual dose for the air crew member would exceed the new recommendations of the International Commission on Radiological Protection (ICRP-60) for the general public.
Mots-clés Pascal : Transport aérien, Pilote, Rayonnement particule, Source neutron, Campagne mesure, Détecteur particule, Dose limite, Politique sanitaire, Recommandation
Mots-clés Pascal anglais : Air transportation, Pilot, Particle radiation, Neutron source, Measurement campaign, Particle detector, Limit dose, Health policy, Recommendation
Notice produite par :
Inist-CNRS - Institut de l'Information Scientifique et Technique
Cote : 94-0621728
Code Inist : 001D15H. Création : 09/06/1995.