Closed-loop control of forebody flow asymmetry

Journal of Aircraft

Volumn 37, Issue 3, 2000, Pages 491-498

  Bernhardt, John E ^a   Williams, David R ^a  

^a ILLINOIS INSTITUTE OF TECHNOLOGY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

CLOSED LOOP CONTROL SYSTEMS; CONTROL SYSTEM ANALYSIS; CONTROL SYSTEM SYNTHESIS; FLUID STRUCTURE INTERACTION; MATHEMATICAL MODELS; MOTION CONTROL;

CONING MOTION MODEL; FOREBODY FLOW ASYMMETRY;

AIRCRAFT;

EID: 0033704554     PISSN: 00218669     EISSN: None     Source Type: Journal    
DOI: 10.2514/2.2624     Document Type: Article

References (27)

1. Herbst, W. B., "Supermaneuverability," Proceedings of the Workshop on Unsteady Separated Flow, edited by M. S. Francis and M. W. Luttges, U.S. Air Force Academy, 1983, pp. 1-9.
2. Ericsson, L. E., and Beyers, M. E., "Conceptual Fluid/Motion Coupling in the Herbst Supermaneuver," Journal of Aircraft, Vol. 34, No. 3, 1997, pp. 271-277.
3. Tobak, M., Schiff, L. B., and Peterson, V. L., "Aerodynamics of Bodies of Revolution in Coning Motion," AIAA Journal, Vol. 7, No. 1, 1969, pp. 95-99.
4. Schiff, L. B., and Tobak, M., "Results from a New Wind-Tunnel Apparatus for Studying Coning and Spinning Motions of Bodies of Revolution," AIAA Journal, Vol. 8, No. 11, 1970, pp. 1953-1957.
5. Ericsson, L. E., and Reding, J. P., "Dynamics of Forebody Flow Separation and Associated Vortices," Journal of Aircraft, Vol. 22, No. 4, 1985, pp. 329-335.
6. Yoshinaga, T., Tate, A., and Inoue, K., "Coning Motion of Slender Bodies at High Angles of Attack in Low Speed Flow," AIAA Paper 81-1899, Aug. 1981.
7. Lamont, P. J., "Pressures Around an Inclined Ogive Cylinder with Laminar, Transitional, or Turbulent Separation," AIAA Journal, Vol. 20, No. 11, 1982, pp. 1492-1499.
8. Bridges, D. H., and Hornung, H. G., "Elliptic Tip Effects on the Vortex Wake of an Axisymmetric Body at Incidence," AIAA Journal, Vol. 32, No. 7, 1994, pp. 1437-1445.
9. Dexter, P. C., and Hunt, B. L., "Effects of Roll Angle on the Flow Over a Slender Body of Revolution at High Angles of Attack," AIAA Paper 81-0358, Jan. 1981.
10. Zilliac, G., Degani, D., and Tobak, M., "Asymmetric Vortices on a Slender Body of Revolution," AIAA Paper 90-0388, Jan. 1990.
11. Moskovitz, C. A., "An Experimental Investigation of the Physical Mechanisms Controlling the Asymmetric Flow Past Slender Bodies at Large Angles of Attack," Ph.D. Thesis, Dept. of Mechanical and Aerospace Engineering, North Carolina State Univ., Raleigh, NC, June 1989.
12. Degani, D., "Numerical Investigation of the Origin of Vortex Asymmetry," AIAA Paper 90-0593, Jan. 1990.
13. Bernhardt, J., and Williams, D., "Effect of Reynolds Number on Control of Forebody Asymmetry by Suction and Bleed," AIAA Paper 93-3265, July 1993.
14. Degani, D., and Tobak, M., "Numerical Simulation of Upstream Disturbance on Flows Around a Slender Body," AIAA Paper 93-2956, July 1993.
15. Degani, D., and Tobak, M., "Experimental Study of Controlled Tip Disturbance Effect on Flow Asymmetry," Physics of Fluids A, Vol. 4, No. 12, 1992, pp. 2825-2832.
16. Malcolm, G. N., "Forebody Vortex Control - A Progress Review," AIAA Paper 93-3540, Aug. 1993.
17. Roos, F. W., and Magness, C. L., "Bluntness and Blowing for Flowfield Asymmetry Control on Slender Forebodies," AIAA Paper 93-3409, Aug. 1993.
18. Malcolm, G. N., and Ng, T. T., "Aerodynamic Control of Fighter Aircraft by Manipulation of Forebody Vortices," CP-497, AGARD Paper 15, Nov. 1991.
19. Roos, F. W., "Microblowing for High-Angle-of-Attack Vortex Flow Control on a Fighter Aircraft," AIAA Paper 96-0543, Jan. 1996.
20. Eidson, R. C., and Mosbarger, N. A., "Forebody Pneumatic Devices at Low Angles of Attack and Transonic Speed," AIAA Paper 97-0042, Jan. 1997.
21. Williams, D., and Bernhardt, J., "Proportional Control of Asymmetric Forebody Vortices with the Unsteady Bleed Technique," AIAA Paper 90-1629, June 1990.
22. Buffington, J. M., and Adams, R. J.,"Nonlinear Vortex Flow Control for High Angle of Attack Maneuvering," Control Engineering Practice, Vol. 3, No. 5, 1995, pp. 631-642.
23. Bernhardt, J., and Williams, D., "Proportional Control of Asymmetric Forebody Vortices," AIAA Journal, Vol. 36, No. 11, 1998, pp. 2087-2093.
24. Bernhardt, J., and Williams, D., "The Effect of Reynolds Number on Vortex Asymmetry about Slender Bodies," Physics of Fluids A, Vol. 5, No. 2, 1993, pp. 291-293.
25. Lanser, W. R., and Meyn, L. P., "Forebody Flow Control on a Full-Scale F/A-18 Aircraft," Journal of Aircraft, Vol. 31, No. 6, 1994, pp. 1365-1371.
26. Bernhardt, J., "Closed-Loop Control of Forebody Flow Asymmetry," Ph.D. Thesis, Dept. of Mechanical and Aerospace Engineering, Illinois Inst. of Technology, Chicago, 11, May 1996.
27. Degani, D., and Schiff, L., "Numerical Simulation of the Effect of Spatial Disturbances on Vortex Asymmetry," AIAA Paper 89-0340, Jan. 1989.