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Proceedings Paper

Space radiation parameters for EUI and the Sun Sensor of Solar Orbiter, ESIO, and JUDE instruments
Author(s): Laurence Rossi; Lionel Jacques; Jean-Philippe Halain; Etienne Renotte; Tanguy Thibert; Denis Grodent
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Paper Abstract

This paper presents predictions of space radiation parameters for four space instruments performed by the Centre Spatial de Liège (ULg – Belgium); EUI, the Extreme Ultra-violet Instrument, on-board the Solar Orbiter platform; ESIO, Extreme-UV solar Imager for Operations, and JUDE, the Jupiter system Ultraviolet Dynamics Experiment, which was proposed for the JUICE platform. For Solar Orbiter platform, the radiation environment is defined by ESA environmental specification and the determination of the parameters is done through ray-trace analyses inside the EUI instrument. For ESIO instrument, the radiation environment of the geostationary orbit is defined through simulations of the trapped particles flux, the energetic solar protons flux and the galactic cosmic rays flux, taking the ECSS standard for space environment as a guideline. Then ray-trace analyses inside the instrument are performed to predict the particles fluxes at the level of the most radiation-sensitive elements of the instrument. For JUICE, the spacecraft trajectory is built from ephemeris files provided by ESA and the radiation environment is modeled through simulations by JOSE (Jovian Specification Environment model) then ray-trace analyses inside the instrument are performed to predict the particles fluxes at the level of the most radiation-sensitive elements of the instrument.

Paper Details

Date Published: 4 August 2014
PDF: 15 pages
Proc. SPIE 9150, Modeling, Systems Engineering, and Project Management for Astronomy VI, 91501H (4 August 2014); doi: 10.1117/12.2052703
Show Author Affiliations
Laurence Rossi, Univ. de Liège (Belgium)
Lionel Jacques, Univ. de Liège (Belgium)
Jean-Philippe Halain, Univ. de Liège (Belgium)
Etienne Renotte, Univ. de Liège (Belgium)
Tanguy Thibert, Univ. de Liège (Belgium)
Denis Grodent, Univ. de Liège (Belgium)


Published in SPIE Proceedings Vol. 9150:
Modeling, Systems Engineering, and Project Management for Astronomy VI
George Z. Angeli; Philippe Dierickx, Editor(s)

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