Hostname: page-component-cd9895bd7-mkpzs Total loading time: 0 Render date: 2024-12-22T10:53:21.006Z Has data issue: false hasContentIssue false
  • English
  • Français

Some observations on the dynamic response to wing motion of the vortex burst phenomenon

Published online by Cambridge University Press:  04 July 2016

D. I. Greenwell  and
N. J. Wood
D. I. Greenwell
Affiliation:
School of Mechanical Engineering, University of Bath, Bath, UK
N. J. Wood
Affiliation:
School of Mechanical Engineering, University of Bath, Bath, UK
Get access Rights & Permissions [Opens in a new window]

Abstract

The “post-stall” manoeuvre capabilities of current and projected combat aircraft have prompted a resurgence of interest in the dynamic response to wing motion of the vortex burst at high angles of attack. A large number of experimental studies have been reported, but these have tended to be restricted to a limited range of motion profiles and a single specific wing configuration. Presumably due to the complexity of the phenomenon, no attempt appears to have been made to undertake a systematic study of the burst response for a range of wing planforms and motion profiles. Hence, a survey was made of the published data and a semi-empirical correlation derived using a system identification methodology. For preliminary performance studies, the dynamic response of the vortex burst is modelled adequately by a second order lag transfer function. The physical significance of this system model and the implications for the design of a systematic experimental study are discussed.

Type
Research Article
Information
The Aeronautical Journal , Volume 98 , Issue 972 , February 1994 , pp. 49 - 59
Copyright
Copyright © Royal Aeronautical Society 1994 

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

1. Wentz, W.H. and Kohlman, D.L. Vortex breakdown on slender sharp-edged wings, J Aircr, March 1971, 8, (3), pp 156–161.Google Scholar
2. Kraus, W. X-31, discussion of steady-state and rotary derivatives, AGARD CP-497, November 1991.Google Scholar
3. Soltani, M.R., Bragg, M.B. and Brandon, J.M. Measurements on an oscillating 70° delta wing in subsonic flow, J Aircr, March 1990, 27, (3), pp 211–217.Google Scholar
4. Hanff, E.S. and Huang, X.Z. Effect of vortex behaviour on loads acting on a 65° delta wing oscillating in roll at high incidence, Israel Annual Conference on Aviation Astronautics, February 1992.Google Scholar
5. Tavares, T.S. and McCune, J.E., Aerodynamics of manoeuvring slender wings with leading-edge separation, AIAA J, June 1993, 31, (6), pp 977–986.Google Scholar
6. Huyer, S.A. and Luttges, M.W. The vortex kinematics associated with an oscillating delta wing, AIAA 91-1797, 1991.Google Scholar
7. Atta, R. and Rockwell, D. Leading-edge vortices due to low Reynolds number flow past a pitching delta wing, AIAA J, June 1990, 28, (6), pp 995–1004.Google Scholar
8. Torlund, P.-A. Wind tunnel force measurements and visualisation on a 60° delta wing in oscillation, stepwise motion and gusts, AGARD CP-497, November 1991.Google Scholar
9. Wolffelt, K.W. Investigation of the movement of vortex burst position with dynamically changing angle of attack for a schematic delta wing in a watertunnel with correlation to similar studies in windtunnel,AGARD CP-413.Google Scholar
10. David, M. Water Tunnel Investigation of the Vortex Dynamics of Periodically Pitched Wings, MSc Thesis, USAF Institute of Technology, December 1988 Google Scholar
11. Guglieri, G. and Quagliotti, F.B. Experimental investigation of vortex dynamics on delta wings, AIAA 92-2731, 1992.Google Scholar
12. Guglieri, G., Onorato, M. and Quagliotti, F.B. Vortex breakdown study on a 65° delta wing tested in static and dynamic conditions, ICAS-92-4.10.2, 1992.Google Scholar
13. Brandon, J.M. and Shah, G.H. Effect of large-amplitude pitching motions on the unsteady aerodynamic characteristics of flat-plate wings, AIAA 88-4331, August 1988.Google Scholar
14. Brandon, J.M. Dynamic stall effects and applications to high performance aircraft, AGARD R-776.Google Scholar
15. LeMay, S.P., Batill, S.M. and Nelson, R.C. Vortex dynamics on a pitching delta wing, J Aircr, February 1990, 27, (2), pp 131–138.Google Scholar
16. Thompson, S.A., Batill, S.M. and Nelson, R.C. Unsteady surface pressure distributions on a delta wing undergoing large amplitude pitching motions, AIAA 90-0311, January 1990.Google Scholar
17. Thompson, S.A., Batill, S.M. and Nelson, R.C. Delta wing surface pressures for high angle of attack manoeuvres, AIAA 90-2813, 1990.Google Scholar
18. Thompson, S.A. The Unsteady Aerodynamics of a Delta Wing Undergoing Large Amplitude Pitching Motions, PhD Thesis, University of Notre Dame, April 1992.Google Scholar
19. Soltani, M.R. An Experimental Study of the Relationship Between Forces and Moments and Vortex Breakdown on a Pitching Delta Wing, PhD Thesis, University of Illinois, 1992.Google Scholar
20. Woodgate, L. Measurements of the oscillatory pitching-moment derivatives on a sharp-edged delta wing at angles of incidence for which vortex breakdown occurs, ARC R&M 3628, Part III, July 1968.Google Scholar
21. Maltby, R.L., Engler, P.B. and Keating, R.F.A. Some exploratory measurements of leading-edge vortex positions on a delta wing oscillating in heave, ARC R&M 3410, July 1963.Google Scholar
22. Staufenbiel, R., Steckemetz, B. and Zhu, S. Vortical flows around delta wings in unsteady maneuvers and gusts, ICAS-88-3.11.2, 1988.Google Scholar
23. Zhu, S. and Staufenbiel, R. Evaluation of dynamic behaviour of an aircraft with delta wing configuration at high alpha, AIAA 89-3366, 1989.Google Scholar
24. Hanff, E.S. and Huang, X.Z. Roll-induced cross-loads on a delta wing at high incidence, AIAA 91-3223, September 1991.Google Scholar
25. Huang, X.Z. and Hanff, E.S. Prediction of leading-edge vortex breakdown on a delta wing oscillating in roll, AIAA 92-2677, June 1992.Google Scholar
26. Arena, A.S. and Nelson, R.C. The effect of asymmetric vortex wake characteristics on a slender delta wing undergoing wing rock motion, AIAA 89-3348, 1989.Google Scholar
27. Arena, A.S. and Nelson, R.C. Unsteady surface pressure measurements on a slender delta wing undergoing limit cycle wing rock, AIAA 91-0434, 1991.Google Scholar
28. Jun, Y.W. and Nelson, R.C. Leading edge vortex dynamics on a delta wing undergoing a wing rock motion, AIAA 87-0332, January 1987.Google Scholar
29. Prudnikov, Y.A., Karavayev, E.A. and Rokhmistrov, O.V. Wing rock of lifting systems, ICAS 92-4.7.1, 1992.Google Scholar
30. Ng, T.T. and Malcolm, G.N. Effect of leading edge roundness on a delta wing in wing-rock motion, AIAA 90-3080, 1990.Google Scholar
31. Gilliam, F., Wissler, J., Robinson, M. and Walker, J. Visualisation of unsteady separated flow about a pitching delta wing, AIAA 87-0240, January 1987.Google Scholar
32. Hebbar, S.K., Platzer, M.F. and Kwon, H.M. Vortex breakdown studies of canard-configured X-31A like fighter aircraft model, J Aircr, May-June 1993, 30, (3), pp 405–408.Google Scholar
33. Thompson, S.A., Batill, S.M. and Nelson, R.C. Separated flowfield on a slender wing undergoing transient pitching motions, J Aircr, August 1991, 28, (8), pp 489–495.Google Scholar
34. Miau, J.J., Chang, R.C, Chou, J.H. and Lin, C.K. Non uniform motion of leading-edge vortex breakdown on ramp pitching delta wings, AIAA J, July 1992, 30, (7), pp 1691–1702.Google Scholar
35. Reynolds, G.A. and Abtahi, A.A. Instabilities in leading-edge vortex development, AIAA 87-2424, August 1987.Google Scholar
36. Reynolds, G.A. and Abtahi, A.A. Three-dimensional vortex development, breakdown and control, AIAA 89-0998, March 1988.Google Scholar
37. Magness, C.L., Robinson, O. and Rockwell, D. Control of leading-edge vortices on a delta wing, AIAA 89-0999, March 1989.Google Scholar
38. Magness, C.L. Unsteady Response of the Leading-Edge Vortices on a Pitching Delta Wing, PhD Thesis, LeHigh University, May 1991.Google Scholar
39. Miller, L.S. and Gile, B.E. Effects of blowing on delta wing vortices during dynamic pitching, J Aircr, May-June 1993, 30, (3), pp 334–339.Google Scholar
40. Li, F.-H. Static and Dynamic Flow Visualisation Studies of Two Double-Delta Wing Models at High Angles of Attack, MS Thesis, USN Postgraduate School, March 1992 Google Scholar
41. Hebbar, S.K., Platzer, M.F. and Cavazos, O.V. Pitch rate/sideslip effects on leading-edge extension vortices of an F/A-18 aircraft model, J Aircr, 1992, 29, (4), pp 720–723.Google Scholar
42. Lambourne, N.C., Bryer, D.W. and Maybrey, J.F.M. The behaviour of the leading-edge vortices over a delta wing following asudden change of incidence, ARC R&M 3645, March 1969.Google Scholar
43. Lee, K.T. Controlled Vortical Flow on Delta Wings Through Unsteady Leading-Edge Blowing, PhD Thesis, Stanford University, August 1989.Google Scholar
44. Parmenter, K. and Rockwell, D. Transient response of leading-edge vortices to localised suction, AIAA J, June 1990, 28, (6), pp 1131–1133.Google Scholar
45. Gu, W., Robinson, O. and Rockwell, D. Control of vortices on a delta wing by leading-edge injection, AIAA J, July 1993, 31, (7), pp 1177–1189.Google Scholar
46. Scott, W.B. X-31 completes post-stall test, Av Week Space Technol, 17 May 1993, pp 29–30.Google Scholar
47. Whitford, R. Design for Air Combat, Jane's Publishing, 1987.Google Scholar
48. Portnoy, H. Unsteady motion of vortex breakdown positions on delta wings, ICAS-88-6.8.3, 1988 Google Scholar
49. Lowson, M.V. Some experiments with vortex breakdown, Aeronaut J, May 1964, 68, (5), pp 343–346.Google Scholar
50. Healey, M. Principles of Automatic Control, Hodder and Stoughton, 1975.Google Scholar
51. Ericsson, L.E. Flow physics of critical states for rolling delta wings, AIAA 93-3683, 1993.Google Scholar
52. Kegelman, J. and Roos, F. Effect of leading-edge shape and vortex burst on the flowfield of a 70° sweep delta wing, AIAA 89-0086, January 1986.Google Scholar
53. Ericsson, L.E. Critical issues in high-alpha vehicle dynamics, AIAA 91-3221, September 1991.Google Scholar
54. Jumper, E.J., Nelson, R.C. and Cheung, K. A simple criterion for vortex breakdown, AIAA 93-0866, January 1993.Google Scholar
55. Lambourne, N.C. and Bryer, D.W. The bursting of leading-edge vortices — some observations and discussions of the phenomenon, ARC R&M 3282, April 1961.Google Scholar
56. Panton, R.L. Effects of a contoured apex on vortex breakdown, J Aircr, March 1988, 27, (3), pp 285–288.Google Scholar