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전산해석을 이용한 실리카-페놀 열방어구조물의 용융을 포함한 삭마 현상 예측
김평기(P. K. Kim),노성준(S. J. Noh),김규홍(K. H. Kim),박경민 한국전산유체공학회 2014 한국전산유체공학회 학술대회논문집 Vol.2014 No.5
Ablation model for silica-phenolic Thermal Protection System(TPS) was developed in this study. Also, computational analysis for such TPS was conducted using the developed model. In order to analyze ablation phenomenon inside the solid, mass and energy balance equations were used as the governing equations. The total recession is modeled to be the sum of recession by reaction and melting. CFD analysis was conducted to predict the minimum radius of TPS for various flight Mach number which can protect the vehicle. This study can aid in preliminary designs of TPS since the minimum radius of TPS can be predicted.