상류 분사 공동 화염 지지부를 가지는 스크램제트 엔진에 관한 실험적 연구

Experimental Study on Upstream Fueled Cavity Flame-Holder Scramjet Engine

  • 정은주 (서울대학교 항공우주공학과 대학원) ;
  • 정인석 (서울대학교 항공우주공학과) ;
  • ;
  • 발행 : 2006.12.31

초록

The model cavity scramjet engine experiments are carried out using T3 free-piston shock tunnel. Upstream hydrogen fuel is injected before the cavity with different injection pressure. OH planar laser-induced fluorescence is used to investigate the combustion zone and piezoelectric pressure transducers are used to define the pressure rise due to the combustion. Main combustion region is a mixing layer which is between air and fuel. Also high OH fluorescence signal is appeared in the shear layer above the cavity in high equivalence ratio. From the OH signal in the cavity, this fuel injection system can be a role as a flame-holder.