Sébastien Paris, Jean-Baptiste Gouriet, Jimmy Freitas Monteiro, Johan Steelant

DOI Number XXX-YYY-ZZZ

Conference Number HiSST-2022-92

This paper deals with the qualification tests of the COTS Aeroguard® thermal protection
panels used as internal Thermal Control System (TCS) inside the Hexafly-Int glider and as
external Thermal Protection System (TPS) of its service module dedicated to the insertion
into the atmosphere. Three different set of tests were performed: (i) Oven tests so as to
qualify the thermal behaviour of the TCS especially when submitted to depressurization
inside the vehicle which is supposed to reduce by an order f the magnitude the thermal
conductivity of the panels (ii) Centrifuge tests so as to assess the mechanical strength of
different types of fixations between the airframe and the TCS during the boosted ascent
phase of the flight (iii) Wind tunnel tests so as assess the strength of ESM external thermal
protection panels. The main results are: (i) Insulation properties of the internal TCS is
much less as expected and will lead to a redesign of the TCS (ii) The fixations based on
lateral traps made with Velcro are far from the most resistant with respect to g-loads (iii)
External panels of the ESM are able to withstand the aerodynamic load.

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In Categories: 1.Events, HiSST 2022, Testing and Evaluation
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