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초음속 제트기 양항비 향상을 위한 주날개 형상 변화에 관한 수치해석적 연구
표기열(Kiyeol Pyo),박재원(Jaewon Park),윤성현(Sunghyun Yun),송시몬(Simon Song) 대한기계학회 2021 대한기계학회 춘추학술대회 Vol.2021 No.11
Lift to drag ratio is one of the important factors in improving jet performance. To increase the lift to drag ratio, it is necessary to reduce the resistance with the air and to change the shape of the wing well so that the flow separation does not occur easily. In this study, to increase the lift to drag ratio, the effect of the shape of the wing is confirmed using numerical analysis. We observe the difference in lift to drag ratio while changing the position of the string length and maximum thickness. As a result, the shorter the string length and the farther the maximum thickness from the leading edge, the higher the lift to drag ratio.