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- W345161198 startingPage "105" @default.
- W345161198 abstract "높은 받음각 상태에 있는 연장된 앞전을 갖는 편요된 삼각날개 주위의 와류 유동 특성에 대하여 날개 윗면에서의 압력 측정을 통하여 연구하였다. 본 연구에서는 와류 유동의 물리적 현상, 특히 높은 받음각 상태에서 받음각과 옆미끄럼각이 날개 형상 주위의 공력 특성에 미치는 영향에 중점을 두었다. 실험 데이터로부터 LEX 와류가 날개와류에 유익한 효과를 부여함을 명확하게 알 수 있었다. 이는, 작은 옆미끄럼각 상태에서는 비교적 높은 받음각에 이르기까지 와류의 붕괴 없이 날개와류를 안정화시킴을 알 수 있다. 특정 범위의 받음각과 옆미끄럼각 상태에서는 롤링 모멘트가 역전되는 흥미로운 유동 현상을 관찰할 수 있었다. An experimental study of the vortical flow characteristics around a yawed delta wing with the leading edge extension at high incidence angle is undertaken by upper surface pressure measurements. A special emphasis has been put on analyzing the basic physics of vortical flows, concerning the effects of incidence and sideslip angle on the aerodynamic characteristics of the wing, especially under high angle of attack. The experimental data has been dearly demonstrated the beneficial effect of the LEX vortex on the wing vortex. It leads to an essential stabilization of the wing vortex against its breakdown until at much higher incidence angle under small sideslip. An interesting flow feature is occurrence of the rolling moment reversal at a certain range of angle of attack and sideslip angle." @default.
- W345161198 created "2016-06-24" @default.
- W345161198 date "2002-10-01" @default.
- W345161198 modified "2023-09-25" @default.
- W345161198 title "An Investigation of the Vortical Flow Characteristics over a Yawed Delta Wing with LEX at High Incidence" @default.
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- W345161198 doi "https://doi.org/10.5139/jksas.2002.30.7.105" @default.
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