F-1504 再使用型高燃焼圧ロケットエンジン燃焼器に関する検討(S54-1 耐熱材料・耐熱構造(1))(S54 耐熱材料・耐熱構造)

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  • F-1504 Research on high-pressure reusable rocket combustors

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Enhancing a life of a high pressure r e generatively cooled rocket combustor has been one of the essential problems to realize a reusable launch vehicle. One of the possible mechanical failure modes of copper chambers is low cycle fatigue. A compliant structure of a combustor using a FRP (Fiber Reinforced Plastic) composite outer shell is now being investigated to reduce thermal strain of an inner shell made of copper alloys. This paper gives an overview of the design concepts and the analysis results of life enhancement effect of the FRP composite outer shell.

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