IGTC-114 Application of Advanced Carbon-Carbon Composites to Tip Turbine Structure of ATREX Engine(Organized Session II ADVANCED MATERIALS)

概要

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A feasibility study was carried out to apply a carbon/carbon (C/C) composite to a turbine disk of Air-Turbo-Ram-Jet engine. The C/C composite has not been successfully applied to such a primary structure subjected to dynamic load. The optimum design of the turbine disk made of C/C composites were explored in two kinds of structure, i.e., monolithic and joined. The monolithic structure was assumed to be composed of 3-dimensionally reinforced fabrics and the joined structure divided into 3 components. Through the discussion, the joined structure was shown to be superior to the monolithic structure. It is due to the reason that in the joined structure the optimum arrangement of reinforcing fiber can be easily made obeying the stress distribution in the turbine disk.
公益社団法人日本ガスタービン学会の論文