http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
FOD로 인한 로터블레이드 파손이 천음속 축류압축기의 유동 특성에 미치는 영향에 대한 수치적 연구
이상훈(Sanghun Lee),정수인(Sooin Jeong),최병익(Byoungik Choi),김혜빈(Hyebin Kim),김귀순(Kuisoon Kim) 한국추진공학회 2023 한국추진공학회지 Vol.27 No.6
Foreign Object Debris(FOD) refers to a material that may damage engine parts. FODs vary in size and material, and collision conditions cannot be specified. Therefore, in this research, the NASA Stage37 axial compressor FOD damaged model was specified through two assumptions, and CFD was conducted. The axial compressor damaged by FOD decreases mass flow rate, total pressure ratio, and maximum efficiency. The breakage of the blade induces a bow shock wave in front of the rotor, widens the area of stator trailing edge separation, and it promotes a compressor to reach surge point more quickly.