The high-frequency, high-amplitude pitch problem: Airfoils, plates and wings

39th AIAA Fluid Dynamics Conference

Volumn , Issue , 2009, Pages

  Ol, Michael V ^a  

^a AIR FORCE RESEARCH LABORATORY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

COUNTER ROTATING; FLAT PLATE; GUST RESPONSE; HIGH FREQUENCY HF; IS PROBLEMS; LARGE AMPLITUDE; LEADING-EDGE VORTICES; LOW REYNOLDS NUMBER; MICRO UAVS; PITCH PROBLEMS; PITCH RATE; PIVOT POINT; QUANTITATIVE FLOW VISUALIZATION; QUASI-STEADY; REDUCED FREQUENCY; REYNOLDS NUMBER EFFECT; TRAILING EDGES; TRAILING VORTEX; UNSTEADY AERODYNAMICS; VORTEX SYSTEMS;

ASPECT RATIO; DRAG REDUCTION; FLOW VISUALIZATION; FLUID DYNAMICS; REYNOLDS NUMBER; VORTEX FLOW;

AIRFOILS;

EID: 78349287365     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: None     Document Type: Conference Paper

References (36)

1. Reich, G., and Wojnar, O. "Aerodynamic Performance of a Notional Perching MAV Design". AIAA 20090063.
2. Willis, D.J., Persson, P.-O., Israeli, E.R., Peraire, J., Swartz, S., and Breuer, K.S. "Multifidelity Approaches for the Computational Analysis and Design of Effective Flapping Wing Vehicles". AIAA 2008-0518.
3. Fry, S.N., Sayaman, R., and Dickinson, M.H. "The Aerodynamics of Free-Flight Maneuvers in Drosophila". Science, Vol. 300, No. 495, 2003.
4. Wood, R.J. "First Takeoff of a Biologically Inspired At-Scale Robotic Insect". IEEE Transactions on Robotics, Vol. 24, No. 2, April 2008.
5. Visbal, M.R. "High-Fidelity Simulation of Transitional Flows Past a Plunging Airfoil". AIAA 2009-0391.
6. McCroskey, W.J. "The Phenomenon of Dynamic Stall". NASA TM 81264, 1981.
7. Platzer, M., Jones, K., Young, J., and Lai, J. "Flapping Wing Aerodynamics: Progress and Challenges". AIAA J., Vol. 46, No. 9, pp. 2136-2149, 2008.
8. Graham, G.M., and Yeow, K.F. "Two Dimensional Post Stall Maneuver of a NACA 0015 Airfoil at High Pitching Rates". AIAA-1990-2810.
9. Graham, G.M., and Islam, M. "Time-Average Loading on a Two-Dimensional Airfoil in Large Amplitude Motion". J. Aircraft, Vol. 29, No. 4, pp. 709-711, 1991.
10. Strickland, J.H., and Graham, G. "Dynamic Stall Inception Correlation for Airfoils Undergoing Constant Pitch Rate Motions". AIAA J., Vol. 24, No. 4, pp. 678-680, 1986.
11. Chandrasekhara, M.S., Ahmed, S., and Carr, L.W. "Schlieren Studies of Compressibility Effects on Dynamic Stall of Transiently Pitching Airfoils". J. Aircraft, Vol. 30, No. 2, pp. 213-220, March-April 1993.
12. Chandrasekhara, M.S., Carr, L.W., and Wilder, M.C. "Interferometric Investigations of Compressible Dynamic Stall over a Transiently Pitching Airfoil". AIAA J., Vol. 32, No. 3, pp. 586-593, March 1994.
13. Walker, J.M., Helin, H.E., and Strickland, J.H. "An Experimental Investigation of an Airfoil Undergoing Large-Amplitude Pitching Motions". AIAA J., Vol. 23, No. 8, pp. 1141-1142, August 1985.
14. Stephen, E., Walker, J., Roh, J., Eldred, T., and Beals, M. "Extended Pitch Axis Effects on the Flow about Pitching Airfoils". AIAA 1989-0025.
15. Daley, D.G., and Jumper, E.J. "Experimental Investigation of Dynamic Stall for a Pitching Airfoil". J. Aircraft, Vol. 21, No. 10, pp. 831-832, October 1984.
16. Oshima, H., and Ramaprian, B. R. "Velocity Measurements over a Pitching Airfoil". AIAA J., Vol. 35, No. 1, January 1997.
17. Conger, R. N., and Ramaprian, B.R. "Pressure Measurements on a Pitching Airfoil in a Water Channel". AIAA-1993-0184.
18. Acharya, M., and Metwally, M.H. "Unsteady Pressure Field and Vorticity Production over a Pitching Airfoil". AIAA J, Vol. 30, No. 2, February 1992.
19. Karim, M. A., and Acharya M. "Control of the Dynamic-Stall Vortex over a Pitching Airfoil by Leading-Edge Suction". AIAA 1993-3267.
20. Koochesfahani, M., and Vanco, S. "Initial Acceleration Effects on Flow Evolution Around Airfoils Pitching to High Angles of Attack", AIAA J., Vol. 30, No. 8, pp 1529-1531, 1993.
21. Schreck, S.J., Faller, W.E., Robinson, M.C. "Unsteady Separation Processes and Leading Edge Vortex Precursors: Pitch Rate and Reynolds Number Influences". J. Aircraft, Vol. 39, No. 5, September-October 2002.
22. Shih, C., Lourenco, L., Van Dommelen, L., and Krothapalli, A., "Unsteady Flow Past an Airfoil Pitching at a Constant Rate", AIAA J., Vol. 30, No. 5, pp. 1153-1161, 1992.
23. Crisler, W., Krothapalli, A., and Lourenco, L. "PIV Investigation of High Speed Flow over a Pitching Airfoil". AIAA 1994-0533.
24. Ghosh Choudhuri, P., and Knight, D. "Effects of Compressibility, Pitch Rate, and Reynolds Number on Unsteady Incipient Boundary Layer Separation over a Pitching Airfoil". AIAA 1995-0782.
25. Okongo'o, N., and Knight, D.D. "Implicit unstructured Navier-Stokes Simulation of Leading Edge Separation over a Pitching Airfoil". AIAA 1997-0657.
26. Visbal, M.R., and Shang, J.S. "Investigation of the Flow Structure around a Rapidly Pitching Airfoil". AIAA J., Vol. 27, No. 8, pp. 1044-1051, 1989.
27. Visbal, M.R. "Dynamic Stall of a Constant-Rate Pitching Airfoil". J Aircraft, Vol. 27, No. 5, pp. 400-407, 1990.
28. Morgan, P.E., and Visbal, M.R. "Simulation of Unsteady Three-Dimensional Separation on a Pitching Wing". AIAA 2001-2709.
29. McGowan, G., Gopalarathnam, A, Ol, M., and Edwards, J. "Analytical, Computational, and Experimental Investigations of Equivalence Between Pitch and Plunge Motions for Airfoils at Low Reynolds Numbers". AIAA 2008-0535.
30. Ol, M., Dong, H., and Webb, C. "Motion Kinematics vs. Angle of Attack Effects in High-Frequency Airfoil Pitch/Plunge.
31. http://www.cookecorp.com/cooke/php/products/technical1- en01030201&view=detail&cam=53.html.
32. Willert, C.E., and Gharib, M. "Digital Particle Image Velocimetry," Experiments in Fluids, Vol. 10, No. 4, January, 1991.
33. Jeon, D. Ph.D. Thesis, Caltech, 2000.
34. Ol, M. "Vortical Structures in High Frequency Pitch and Plunge at Low Reynolds Number". AIAA 20074233.
35. Ol, M., Bernal, L., Kang, C.-K., and Shyy, W. "Shallow and Deep Dynamic Stall for Flapping Low Reynolds Number Airfoils". Experiments in Fluids, Vol. 46, Issue 5, pp. 883-901, May 2009.
36. Leishman, J.G. Principles of Helicopter Aerodynamics. Cambridge Aerospace Series, 2002.