Journal Article

Dose distribution in the Russian Segment of the International Space Station

M. Hajek, T. Berger, M. Fugger, M. Fürstner, N. Vana, Y. Akatov, V. Shurshakov and V. Arkhangelsky

in Radiation Protection Dosimetry

Volume 120, issue 1-4, pages 446-449
Published in print September 2006 | ISSN: 0144-8420
Published online April 2006 | e-ISSN: 1742-3406 | DOI: https://dx.doi.org/10.1093/rpd/nci566
Dose distribution in the Russian Segment of the International Space Station

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Absorbed dose and average linear energy transfer (LET) were assessed by means of 7LiF:Mg,Ti (TLD-700) thermoluminescent (TL) detectors for different panels on-board the Russian Segment of the International Space Station in the timeframe between March and November 2002 (233 d). A technique is presented to correct the measured absorbed dose values for TL efficiency in the radiation climate on-board the spacecraft. Average LET is determined from the high-temperature TL emission in the TLD-700 glow curve and used as a parameter in the TL efficiency correction. Depending on the shielding distribution, the efficiency-corrected absorbed dose varies between 154 ± 5 μGy d−1 in panel no. 327 (core block ceiling) and 191 ± 3 μGy d−1 in panel no. 110 (core block central axis, floor). The experimental data are compared with the model calculations by using detailed shielding distributions and orbit parameters as inputs.

Journal Article.  1557 words.  Illustrated.

Subjects: Nuclear Chemistry, Photochemistry, and Radiation

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