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Article Dans Une Revue IEEE Transactions on Nuclear Science Année : 2019

Impact of the Earth’s magnetic field secular drift on the low altitude proton radiation belt from years 1900 to 2050

Résumé

The effects of the space radiation environment on spacecraft systems and instruments are significant design considerations for space missions. In order to meet these challenges and have reliable, cost-effective designs, the radiation environment must be understood and accurately modeled. The low altitude proton environment varies slowly in time due to the secular drift of the Earth's main magnetic field and due to the evolution of the solar cycle. The purpose of this paper is to extend the OPAL model capabilities by introducing a prediction of the Earth's main magnetic field model up to year 2050. Impact on low altitude spacecraft radiation specification for next space missions is then assessed.
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Dates et versions

hal-02129936 , version 1 (15-05-2019)

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S. Bourdarie, A. Fournier, A. Sicard, G. Hulot, Julien Aubert, et al.. Impact of the Earth’s magnetic field secular drift on the low altitude proton radiation belt from years 1900 to 2050. IEEE Transactions on Nuclear Science, 2019, pp.1-1. ⟨10.1109/TNS.2019.2897378⟩. ⟨hal-02129936⟩

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