Unsteady panel method calculation of pressure distribution on BO 105 model rotor blades

Journal of the American Helicopter Society

Volumn 43, Issue 1, 1998, Pages 47-56

  Ahmed, S R ^a   Vidjaja, V T ^a  

^a GERMAN AEROSPACE CENTER DLR   (Germany)

Author keywords

[No Author keywords available]

Indexed keywords

COMPUTATIONAL FLUID DYNAMICS; COMPUTER SIMULATION; MATHEMATICAL MODELS; PRESSURE; SUBSONIC AERODYNAMICS; TRANSONIC FLOW; TURBOMACHINE BLADES; UNSTEADY FLOW; VISCOUS FLOW; WIND TUNNELS;

BLADE VORTEX INTERACTION; PRESSURE DISTRIBUTION; UNSTEADY PANEL METHOD;

HELICOPTER ROTORS;

EID: 0031710374     PISSN: 00028711     EISSN: None     Source Type: Journal    
DOI: 10.4050/jahs.43.47     Document Type: Article

References (35)

1. Landgrebe, A. J., "An Analytical Method for Predicting Rotor Wake Geometry," Journal of the American Helicopter Society, Vol 14, No. 4, pp. 20-32, Oct 1969.
2. Landgrebe, A. J., "An Analytical and Experimental Investigation of Helicopter Rotor Performance and Wake Geometry Characteristics," USAAMRDL TR 71 -24, Jun 1971.
3. Kocurek, J. D. and Berkowitz, L. F., "Velocity Coupling - A New Concept for Hover and Axial Flow Wake Analysis and Design," AGARD CP 334, May 1982.
4. Egolf, T. A. and Landgrebe, A. J., "Helicopter Rotor Wake Geometry and its Influence in Forward Flight, Vol. I - Generalized Wake Geometry and Wake Effect on Rotor Airloads and Performance," NASA CR-3726, Oct 1983.
5. Beddoes, T. S., "A Wake Model for High Resolution Airloads," Proceedings of the 2nd International Conference on Basic Rotorcraft Research, Tringle Park, NC, 1985.
6. Clark, D. R. and Leiper, A. C., "The Free Wake Analysis - A Method for the Prediction of Helicopter Rotor Hovering Performance," Journal of the American Helicopter Society, Vol. 15, No. 1, pp. 3-11, Jan 1970.
7. Sadler, S. G., "A Method for Predicting Helicopter Wake Geometry, Wake-Induced Flow and Wake Effects on Blade Airloads," Presented at the 27th Annual National Forum of the American Helicopter Society, May 1971.
8. Egolf, T. A., "Helicopter Free Wake Prediction of Complex Wake Structures Under Blade-Vortex Interaction Operating Conditions," Proc. 44th American Helicopter Society Annual Forum, Washington, DC, Jun 1988.
9. Johnson, W. R., "Wake Model for Helicopter Rotors in High Speed Flight," NASA CR 177507, Nov 1988.
10. Quackenbush, T., Wachspress, D. and Boschitsch, A., "Computation of Rotor Aerodynamic Loads with a Constant Vorticity Contour Free Wake Model," AIAA Applied Aerodynamics Conference, Baltimore, MD, 1991.
11. Quackenbush, T. R., Bliss, D. B. and Wachspress, D. A., "Computational Analysis of Hover Performance Using a New Free Wake Method," In Proceedings of the Second International Conference on Rotorcraft Basic Research, Feb 1988.
12. Miller, W. O. and Bliss, D. B., "Direct Periodic Solutions of Rotor Free Wake Calculations by Inversion of a Linear Periodic System," In Proceedings of the 46th Annual Forum of the American Helicopter Society, pp. 757-769, Washington, DC, May 1990.
13. Crouse, G. L. and Leishman, J. G., "A New Method for Improved Free-Wake Convergence in Hover and Low Speed Forward Flight," Presented at the 21st AIAA Aerospace Sciences Meeting and Exhibit, Reno, NV, Jan 11-14, 1993.
14. Quackenbush, T. R., "Computation of Rotor Aerodynamic Loads in Forward Flight Using a Full Span Free Wake Analysis," Continuum Dynamics, Inc., Report No. 90-05, NAS2-12838, Dec 1990.
15. Schaffar, M. and Haertig, J., "Etude de l'interaction pale/tourbillon sur un rotor monopale en vol d'avancement (fluide non visqeux et incompressible),". Institut Franco-Alemand de Recherches de Saint-Louis, ISL Rapport R 115/88, 1988.
16. Behr, R. and Wagner, S., "A Vortex-Lattice Method for the Calculation of Vortex Sheet Roll-Up and Wing-Vortex Interaction," In E. H. Hirschel, editor, Finite Approximations in Fluid Mechanics II, Vol. 25, pp. 1-13, Friedr. Vieweg & Sohn, Braunschweig und Wiesbaden, 1989.
17. Baron, A. and Boffadossi, M., "Numerical Simulation of Unsteady Rotor Wakes," 17th European Rotorcraft Forum, Berlin, Germany, Paper No. 69, 1991.
18. Ahmed, S. R. and Vidjaja, V. T., "Unsteady Panel Method Calculation of Pressure Distribution on BO 105 Model Rotor Blades and Validation with DNW-Test Data," AHS 50th Annual Forum, Washington, D.C., 1994.
19. Torok, M. S. and Berezin, C. R., "Aerodynamic and Wake Methodology Evaluation Using Model UH-60A Experimental Data," Journal of the American Helicopter Society, Vol. 39, No. 2, pp. 21-29, Apr 1994.
20. Kroll, N, "Computation of the Flow Fields of Propellers and Hovering Rotors Using Euler Equations," 12th European Rotorcraft Forum, Garmisch-Partenkirchen, Germany, Paper No. 28, Sep 1986.
21. Rai, M. M., ÆNavier-Stokes Simulations of Blade-Vortex Interaction Using High-Order Accurate Upwind Schemes," 25th AIAA Aerospace Sciences Meeting, Reno, NV, Paper No. 87-0543, Jan 1987.
22. Strawn, R. C. and Barth, T. J., "A Finite-Volume Euler Solver for Computing Rotary-Wing Aerodynamics on Unstructured Meshes," 48th AHS Forum of the American Helicopter Society, Washington, D. C., Jun 1992.
23. Hess, J. L. and Smith, A. M. O., "Calculation of Potential Flow about Arbitrary Bodies," Progress in Aeronautical Sciences, Vol. 8, Pergamon Press, Oxford, England, 1966.
24. Rubbert, P. E. and Saaris, G. R., "Review and Evaluation of a Three-Dimensional Lifting Potential Flow Analysis Method for Arbitrary Configurations," AIAA Paper 72-188, Jan 1972.
25. Giesing, J. P., "Nonlinear Two-Dimensional Unsteady Potential Flow with Lift," J. Aircraft, Vol. 5, No. 2, pp. 135-143, 1968.
26. Djojodihardjo, R. H. and Widnall, S. E., "A Numerical Method for the Calculation of Nonlinear, Unsteady Lifting Potential Flow Problems," AIAA Journal, Vol. 7, No. 10, pp. 2001-2009, 1969.
27. Summa, J. M., "Potential Flow about Three-Dimensional Streamlined Lifting Configurations with Application to Wings and Rotors," SUDAAR Rep. No. 485, Stanford University, USA, 1974.
28. Lamb, H., Hydrodynamics, Dover Publications, New York, USA, 1932.
29. Chorin, A. J. and Bernard, P. S., "Discretization of a Vortex Sheet with an Example of Roll-up," Journal of Computational Physics, No. 13, pp. 423-429, 1973.
30. Kraus, W., "Das MBB-UFE Unterschall-Panelverfahren," Messerschmitt-Bölkow-Blohm GmbH, München, Germany, Report MBB-UFE 633-70, 1970.
31. Caradonna, F. X. and Tung, C., "Experimental and Analytical Studies of a Model Helicopter Rotor in Hover," NASA TM 81232, 1981.
32. Duque, E. P. N. and Srinivasan, G. R., "Numerical Simulation of a Hovering Rotor Using Embedded Grids," AHS 48th Annual Forum and Technology Display, Washington, D. C., 1992.
33. Splettstoesser, W. R., Niesl, G., Cenedese, F. and Papanikas, D. G., "Experimental Results of the European HELINOISE Aeroacoustic Rotor Test in the DNW," 19th European Rotorcraft Forum, Cernobbio, Italy, Paper B8, 1993.
34. Ahmed, S. R., "Prediction of Blade Vortex Interaction Aerodynamics for a Higher Harmonic Controlled Rotor," 2nd AIAA/CEAS Aero acoustics Conference, State College, PA, May 6-8, 1996.
35. Splettstoesser, W. R., Kube, R., Seelhorst, U., Wagner, W., Boutier, A., Micheli, F., Mercker, E. and Pengel, K., "Key Results from a Higher Harmonic Control Aeroacoustic Rotor Test (HART) in the German-Dutch Wind Tunnel," 21st European Rotorcraft Forum, St. Petersburg, Russia, Paper No. 1-7, Aug 30-Sep 1, 1995.