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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.3
- 발행연도
- 2005.3
- 수록면
- 877 - 886 (10page)
이용수
초록· 키워드
오류제보하기
Two-dimensional incompressible Navier-stokes equations ale solved using SIMPLER method in the intrinsic curvilinear coordinates system to study the unsteady viscous flow physics over two-dimensional ellipses Unsteady viscous flows over various thickness-to-chord ratios of 0.6, 0.8, 10, and 1.2 elliptic- cylinders are simulated at different Reynolds numbers of 200, 400, and 1,000 This study is focused on the understanding the effects of Reynolds number and elliptic cylinder thickness on the drag and lift forces. The present numeric-a i solutions are compared with available experiment and numerical results and show a good agreement Through this study, it is observed that the Reynolds number and the cylinder thickness affect significantly the frequencies of the force oscillations as well as the mean values and the amplitudes of the drag and lift forces.
목차
Abstract
1. Introduction
2. Governing Equations
3. Flow Solver Development and Verification
4. Numerical Results and Discussions
5. Summary and Conclusion
Acknowledgments
References
참고문헌 (22)
참고문헌 신청
Badi, H M, Dennis, S C R and Kocabiyik, S, 2001, "Numerical Simulation of the Unsteady Flow Over an Elliptic Cylinder at Different Orientations," International Journal for Numerical Methods In Fluids, Vol 37, pp 905~931
Beiger, E and Wille, R, 1972, "Periodic Flow Phenomena," Ann Rev. Fluid Mech, Vol 4, pp 313~340
Blackburn, H M and Henderson, R D, 1999, "A Study of Two-Dimensional Flow Past an Oscillating Cylinder," Journal of Fluid Mechanics, Vol 385, pp 255~286
Chou, M H and Huang, W, 1996, "Numerical Study of High-Reynolds-Number Flow Past a Bluff Object," International Journal for Numerical Methods in Fluids, Vol 23, pp 711~732
D’Alessio, S J D, Dennis, S C R and Nguyen, P. 1999, "Unsteady Viscous Flow Past an lmpulsively Started Oscillating and Translating Elliptic Cylinder," Journal of Engineering Mathematics, Vol 35, pp 339~357
Beiger, E and Wille, R, 1972, "Periodic Flow Phenomena," Ann Rev. Fluid Mech, Vol 4, pp 313~340
Blackburn, H M and Henderson, R D, 1999, "A Study of Two-Dimensional Flow Past an Oscillating Cylinder," Journal of Fluid Mechanics, Vol 385, pp 255~286
Chou, M H and Huang, W, 1996, "Numerical Study of High-Reynolds-Number Flow Past a Bluff Object," International Journal for Numerical Methods in Fluids, Vol 23, pp 711~732
D’Alessio, S J D, Dennis, S C R and Nguyen, P. 1999, "Unsteady Viscous Flow Past an lmpulsively Started Oscillating and Translating Elliptic Cylinder," Journal of Engineering Mathematics, Vol 35, pp 339~357
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