Bonn 2020 – scientific programme
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EP: Fachverband Extraterrestrische Physik
EP 3: Poster session
EP 3.4: Poster
Tuesday, March 31, 2020, 16:30–18:30, Zelt
First Steps toward the Verification of Models for the Assessment of the Radiation Exposure at Aviation Altitudes during Quiet Space Weather Conditions — Matthias Meier1, Kyle Copeland2, Daniel Matthiä1, Christopher Mertens3, and •Kai Schennetten1 — 1German Aerospace Center, Institute of Aerospace Medicine, Radiation Biology Department, 51147 Köln, Germany — 2Numerical Sciences Research Team, Protection and Survival Laboratory, FAA Civil Aerospace Medical Institute, Oklahoma City, OK, USA — 3NASA Langley Research Center, Hampton, Virginia, USA
Space weather is an important driver of the exposure of aircrew and passengers to cosmic rays at flight altitudes. The assessment of the corresponding radiation doses can be realized by measurements or model calculations that cover the whole range of the radiation field in terms of geomagnetic shielding, atmospheric shielding, and the effects of space weather. Since the radiation field at aviation altitudes is very complex in terms of particle composition and energy distribution, the accurate experimental determination of doses at aviation altitudes is still a challenging task. Accordingly, the amount of data with comparatively small uncertainties is scarce. The Community Coordinated Modeling Center (CCMC) invited FAA, DLR, and NASA to make their radiation models for aviation CARI-7A, PANDOCA, and NAIRAS available for interested users via the CCMC web site. A concomitant comparison of model calculations with measuring data provided information on the predicting capabilities and the uncertainties of the current versions of these models under quiet space weather conditions.