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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 대한기계학회 Journal of Mechanical Science and Technology Journal of Mechanical Science and Technology Vol.19 No.2
- 발행연도
- 2005.2
- 수록면
- 674 - 681 (8page)
이용수
초록· 키워드
오류제보하기
The unsteady evolution of trailing vortex sheets behind wings in close formation flight near the ground is simulated using a discrete vortex method The ground effect is included by an image method The method is validated by comparing computed results With other numerical results. For a lifting line with an elliptic loading, the ground has an effect of moving wing tip vortices laterally outward and suppressing the development of vortex evolution The gap between wings in close formation flight has an effect of moving up Wing tip vortices facing each other For wings flying in parallel, the ground effect causes the Wing tip vortices facing each other to move up, and it makes the Opposite wing tip vortices to move laterally outward When there is a relative height between the wings in ground effect, right-hand side wing tip vortices from a mothership move laterally inward.
목차
Abstract
1. Introduction
2. Discrete Vortex Method
3. Results and Discussion
4. Conclusions
Acknowledgment
References
참고문헌 (15)
참고문헌 신청
Betz, A, 1935, Aerodynamic Theory, Vol IV, Edited by Durand, W F, California Institute of Technology, pp 63~72
Birkhoff, G., 1962, "Helmholz and Taylor Instability," Proc Symp Appl. Math Am. Math Soc, Vol 8
Blake, W.B, 2000, "An Aerodynamic Model for Simulations of Close Formation Flight," AIAA Modeling and Simulation Technologies Conference and Exhibit, Denver, CO, AIAA-2000-4304, August 14-17
Blake, W B and Gingras, D.R, 2001, "Comparison of Predicted and Measured formation Flight Interference Effects," AIAA Atmospheric Flight Mechanics Conference and Exhibit, Montreal Canada, AIAA 2001-4136, August 6-9
Frazier, J W and Gopalarathnam, A, 2003, "Optimum Downwash Behind Wings In Formation Flight," AIAA Journal of Aircraft, Vol 40, No 4, pp 799~803
Birkhoff, G., 1962, "Helmholz and Taylor Instability," Proc Symp Appl. Math Am. Math Soc, Vol 8
Blake, W.B, 2000, "An Aerodynamic Model for Simulations of Close Formation Flight," AIAA Modeling and Simulation Technologies Conference and Exhibit, Denver, CO, AIAA-2000-4304, August 14-17
Blake, W B and Gingras, D.R, 2001, "Comparison of Predicted and Measured formation Flight Interference Effects," AIAA Atmospheric Flight Mechanics Conference and Exhibit, Montreal Canada, AIAA 2001-4136, August 6-9
Frazier, J W and Gopalarathnam, A, 2003, "Optimum Downwash Behind Wings In Formation Flight," AIAA Journal of Aircraft, Vol 40, No 4, pp 799~803
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