This paper seeks to provide an insight into the design and development of the thermal test model (TTM) of X-Sat, a 120 kg class micro-satellite, being developed at the Centre. This model was specifically constructed for carrying out a thermal balance test (TBT) in a 4 m diameter vertical thermal vacuum chamber.

    Design/methodology/approach

    The construction of the thermal model followed a structural mock-up model which was modified thermally to suit the purpose. Specific and careful consideration was given to the geometry and, more importantly, thermal characteristics such as thermal mass, surface properties, etc. to mimic the actual satellite configuration as closely as possible. Test plans were devised to qualify the fabricated components to meet the out-gassing and other thermal requirements for the model. Design and qualification of supporting frame and linkages for TBT are also covered.

    Findings

    It is possible to simulate the thermal characteristics of a micro-satellite in orbit under a different mission scenario through proper scaling and using alternative material options while developing TTM.

    Originality/value

    The paper discusses in detail the simplified cost-effective approach of constructing TTM and also outlines the various issues to be considered for a TBT. It provides valuable information needed for micro-satellite designers.


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    Title :

    Design and development of thermal test model of a micro-satellite for thermal balance test




    Publication date :

    2008-01-25


    Size :

    8 pages




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English





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