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EXPOSURE OF AIRCRAFT CREW TO COSMIC RADIATION: ON-BOARD INTERCOMPARISON OF VARIOUS DOSEMETERS

 J.-F. Bottollier-Depois, F. Trompier, I. Clairand, F. Spurny, D. Bartlett, P. Beck, B. Lewis, L. Lindborg, D. O’Sullivan, H. Roos, and L. Tommasino, Radiation Protection Dosimetry (2004) Vol 110, Nos 1-4, PP 411-415.

Document type > *Article de revue

Keywords > aircraft, cosmic radiation, dosimetry

Research Unit > IRSN/DRPH/SDE/LDRI

Authors > BOTTOLLIER-DEPOIS Jean-François, CLAIRAND Isabelle, TROMPIER François

Publication Date > 01/10/2004

Summary

 Due to their professional activity, flight crews may receive a dose of some millisieverts within a year; airline passengers may also be concerned. The effective dose is to be estimated using various experimental and calculation tools. The European project DOSMAX (Dosimetry of Aircrew Exposure during Solar Maximum) was initiated in 2000 extending to 2004 to complete studies over the current solar cycle during the solar maximum phase. In order to compare various dosemeters in real conditions simultaneously in the same radiation field, an intercomparison was organised aboard a Paris-Tokyo round-trip flight. Both passive and active detectors were used. Good agreement was observed for instruments determining the different components of the radiation field; the mean ambient dose equivalent for the round trip was 129 ± 10 µSv. The agreement of values obtained for the total dose obtained by measurements and by calculations is very satisfying.

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