Radiation measurements on shuttle/MIR missions

Reitz, Guenther; Beaujean, Rudolf; Deme, Sandor; Heinrich, Wolfgang; Kopp, Joachim; Luszik-Bhadra, Marlies; Strauch, Karsten
January 2000
AIP Conference Proceedings;2000, Vol. 504 Issue 1, p142
Academic Journal
Radiation exposure causes one of the major risks in extended and interplanetary missions. Measurements of the radiation environment at different locations inside the Russian Space Station MIR and on Shuttle missions were performed with passive detector packages consisting of plastic nuclear track detectors, without and combined with converter foils and thermoluminescence detectors. From these detectors absorbed doses, heavy ion particle fluences and energy deposit spectra were obtained. Particle fluence rates and energy deposit spectra separately for the radiation belt particles and the galactic cosmic radiation were recorded using a silicon detector telescope. Based on this measurements the radiation exposures of the astronauts were calculated, they range from 0.6 to 1 mSv/d. The measuring program will be continued on the International Space Station (ISS) with a detector set distributed inside the US Lab for environmental measurements and a detector set mounted at organ sites of interest inside a realistic human phantom which will be placed outside and inside the Russian service module for measurements of the depth dose distribution inside a human body. The data will allow an improved estimate of the radiation risk of astronauts. © 2000 American Institute of Physics.


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