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논문 기본 정보
- 자료유형
- 학술대회자료
- 저자정보
- 발행연도
- 2013.5
- 수록면
- 153 - 158 (6page)
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초록· 키워드
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This study aims to understand the effect of turbulence intensity and roughness on the flow around an airfoil. The numerical simulation was made on a two dimensional NACA0015 airfoil with a chord length of 0.12m. The Reynolds number used in this study was 80,000 and 360,000. In addition, in order to make a precise simulation, the value of y+ was almost set to 1, which is known to be most desirable for a near-wall modeling. Generally, the lift coefficient of the airfoil tends to increase as the angle of attack increases and it decreases substantially at the stall angle and then it decreases. As expected, the lift coefficient increases rapidly from 0 to 10 degs and then after the sudden drop of the lift (i.e., the stall) at around 10 to 16 degs. Finally, the numerical results has shown to be consistent with the experimental data.
목차
Abstract
1. 서론
2. 수치해석
3. 실험 장치 및 해석
4. 계산결과 및 분석
5. 결론
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UCI(KEPA) : I410-ECN-0101-2014-500-003294244