Konferensartikel

A Modelica Library for Spacecraft Thermal Analysis

Tobias Posielek
Institute of System Dynamics and Control, DLR German Aerospace Center, Oberpfaffenhofen, Germany

Ladda ner artikelhttp://dx.doi.org/10.3384/ecp1815446

Ingår i: Proceedings of The American Modelica Conference 2018, October 9-10, Somberg Conference Center, Cambridge MA, USA

Linköping Electronic Conference Proceedings 154:5, s. 46-55

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Publicerad: 2019-02-26

ISBN: 978-91-7685-148-7

ISSN: 1650-3686 (tryckt), 1650-3740 (online)

Abstract

In spacecraft missions it is vital to maintain all spacecraft components within their required temperature limits. Thus, a model incorporating all main heat fluxes acting on the spacecraft is necessary to allow for the design of a thermal control subsystem. This paper introduces the thermal space systems library which implements common models of radiation and thermal components of a spacecraft. Special effort is put into the calculations of the angles describing the orientation of the spacecraft with respect to sun and earth. Issues occurring due to the recalculation of the angles in each time step are shown and methods for their determinations are given.

Nyckelord

space modeling, thermal modeling, angle determination

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