Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 1991
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991esasp.324..791g&link_type=abstract
In ESA, 4th European Symposium on Space Environmental Control Systems, Volume 2 p 791-796 (SEE N92-26950 17-54)
Astronomy and Astrophysics
Astronomy
Baffles, Optimization, Radiative Heat Transfer, Spaceborne Telescopes, Temperature Control, Algorithms, Mathematical Models, Mirrors, Systems Engineering, X Ray Astronomy
Scientific paper
Observational instruments in space put hard requirements on temperature stability and thermal gradients due to their sensitive detector equipment. The thermal subsystem has to take into account that direct heating of the optical instruments is not often possible due to geometrical or technical reasons. An indirect heating concept including an optimization approach to design heated thermal baffles in front of telescope apertures is described. The optimization is formulated for arbitrary geometrical configurations, and verification aspects are discussed together with an alternative optimization approach. An application to practical problems is given in terms of tradeoff studies for the configurational design of the X-ray Multi Mirror Mission (XMM) thermal baffle.
Eckert Kai
Gessner Roland
Zilly F.
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