The structure system is not only the one of the most important item of the orbital reentry experiment, but also the most critical hardware for OREX to fly under very severe condition during reentry. New materials such as carbon/carbon heat-resisting material and ceramic tile thimble insulation materials which are planned to be used on HOPE, were experimentally applied on OREX. Though these new materials were being studied for HOPE, they had to be qualified to be suitable for OREX's flight. On the other hand, since OREX is an experimental vehicle, development of these new materials was conducted in minimum manner to be completed in a short period of time with lowest cost. By the successful experimental flight, is it confirmed that these heat-resisting material and thermal insulation materials are applicable to reentry vehicle, and that designing technique for these materials is reasonable.
熱構造系の開発と飛行結果
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