Thermal control of SUNRISE, a balloon-borne solar telescope

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Thermal control of SUNRISE, a balloon-borne solar telescope

Pérez-Grande, I / Sanz-Andrés, A / Bezdenejnykh, N / Farrahi, A / Barthol, P / Meller, R

SUNRISE is a balloon-borne solar telescope flown with a long-duration balloon by NASA's Columbia Scientific Balloon Facility team from Esrange (Swedish Space Corporation), on 8 June 2009. SUNRISE has been a challenging mission from the thermal point of view because of its size and power dissipation. Thus, a dedicated thermal analysis has been carried out to find a solution that allows all the devices to be kept within their appropriate temperature ranges, without exceeding the allowable temperature gradients, critical for optical devices. In this article, the thermal design of SUNRISE is described. A geometrical mathematical model and a thermal mathematical model of the whole system have been set up for the different load cases in order to obtain the temperature distribution and gradients in the system. Some trade-offs have been necessary to fulfil all the thermal requirements. The thermal hardware used to achieve it is described. Finally, the temperatures obtained with the models have been compared with flight data.

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Dokumentinformationen

Titel :

Thermal control of SUNRISE, a balloon-borne solar telescope

Beteiligte:

Pérez-Grande, I (Autor:in) / Sanz-Andrés, A (Autor:in) / Bezdenejnykh, N (Autor:in) / Farrahi, A (Autor:in) / Barthol, P (Autor:in) / Meller, R (Autor:in)

Erschienen in:

Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering ; 225 , 9 ; 1037-1049

Erscheinungsdatum :

2011-09-01

Format / Umfang :

13 pages

ISSN :

0954-4100 , 2041-3025

DOI :

https://doi.org/10.1177/0954410011401711

Medientyp :

Aufsatz (Zeitschrift)