A novel potential-flow boundary integral formulation for helicopter rotors in BVI conditions

Collection of Technical Papers - 11th AIAA/CEAS Aeroacoustics Conference

Volumn 3, Issue , 2005, Pages 1546-1555

  Gennaretti, Massimo ^a,b   Bernardini, Giovanni ^a  

^a ROMA TRE UNIVERSITY   (Italy)

^b Mechanical and Industrial Eng Dept   (Italy)

Author keywords

[No Author keywords available]

Indexed keywords

ACOUSTIC FIELDS; BOUNDARY VALUE PROBLEMS; HELICOPTER ROTORS; PRESSURE EFFECTS; VORTEX FLOW; WAKES; WIND TUNNELS;

BLADE PRESSURE; BLADE-VORTEX INTERACTION (BVI); STANDARD DIRECT PANEL METHOD; THICKNESS EFFECTS;

INTEGRAL EQUATIONS;

EID: 29244433221     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.2514/6.2005-2924     Document Type: Conference Paper

References (16)

1. Tung, C., Yu, Y.H., and Low, S.L., "Aerodynamic Aspects of Blade-Vortex Interaction (BVI)," AIAA Paper 96-2010, Proceedings of the 27th AIAA Fluid Dynamics Conference, New Orleans, LA, 1996.
2. Lim, J.W., Yu, Y.H., and Johnson, W., "Calculation of Rotor Blade-Vortex Interaction Airloads Using a Multiple-Trailer Free-Wake Model," Journal of Aircraft, Vol. 40, No. 6, 2003, pp. 1123-1130.
3. Munsky, B., Gandhi, F., and Tauszig, L., "An Analysis of Helicopter Blade-Vortex Interaction Noise with Flight Path or Attitude Modification," Proceedings of the 58th Annual Forum of the American Helicopter Society, Montréal, Canada, 2002.
4. Liu, L., Patt, D., and Friedmann, P.P., "Simultaneous Vibration and Noise Reduction in Rotorcraft Using Aeroelastic Simulation," Proceedings of the 60th Annual Forum of the American Helicopter Society, Baltimore, MD, 2004.
5. Beaumier, P., and Delrieux, Y., "Description and Validation of the ONERA Computational Methods for the Prediction of Blade-Vortex Interaction Noise," Aerospace Science and Technology, Vol. 9, 2005, pp. 31-43.
6. Ahmed, S.R., and Vidjaja, V.T., "Unsteady Panel Method Calculation of Pressure Distribution on B0 105 Model Rotor Blades," Journal of the American Helicopter Society, Vol. 43, No. 1, 1998, pp. 47-56.
7. Morino, L., "A General Theory of Unsteady Compressible Potential Aerodynamics," NASA CR-2464, 1974.
8. Morino, L., and Bharadvaj, B.K., "A Unified Approach for the Potential and Viscous Free-Wake Analysis of Helicopter Rotors," Vertica, Vol. 12, No. 1/2, 1988, pp. 147-154.
9. Morino, L., and Gennaretti, M., "Boundary Integral Equation Methods for Aerodynamics", Computational Nonlinear Mechanics in Aerospace Engineering, edited by S.N. Atluri, Progress in Aeronautics & Astronautics, Vol. 146, AIAA, Washington, DC, 1992, pp. 279-320.
10. Gennaretti, M., Luceri, L., and Morino, L., "A Unified Boundary Integral Methodology for Aerodynamics and Aeroacoustics of Rotors," Journal of Sound and Vibrations, Vol. 200, No. 4, 1997, pp. 467-489.
11. Morino, L., and Bernardini, G., "Singularities in Discretized BIE's for Laplace's Equation; Trailing-Edge Conditions in Aerodynamics," Mathematical Aspects of Boundary Element Methods, edited by M. Bonnet, A.M. Sändig, and W.L. Wendland, Chapman & Hall/CRC, London, UK, 2000, pp. 240-251.
12. Leishman, J.G., Principles of Helicopter Aerodynamics, Cambridge University Press, 2000.
13. Ananthan, S., Leishman, J.G., and Ramasamy, M., "The Role of Filament Stretching in the Free-Vortex Modeling of Rotor Wakes," Proceedings of the 58th Annual Forum of the American Helicopter Society, Montréal, Canada, 2002.
14. Splettstoesser, W.R., Junker, B., Schultz K.J., Wagner, W., Weitemeyer, W., Protopsaltis, A. and Fertis, D., "The HELINOISE aeroacoustic rotor test In the DNW-test documentation and representative results," DLR-Mitt 93-09, 1993.
15. Schultz K.J., Splettstoesser, W., Junker, B., Wagner, W., Schoell, E., Arnaud, G., Mercker. E., Pengel, K. and Fertis, D., "A Parametric Wind Tunnel Test on Rotorcraft Aerodynamics and Aeroacoustics (HELISHAPE) - Test Documentation and Representative Results," Proceedings of the 22nd European Rotorcraft Forum, Brighton, U.K., 1996.
16. Ffowcs Williams, J.E., and Hawkings, D.L., "Sound Generation by Turbulence and Surfaces in Arbitrary Motion," Philosophical Transactions of the Royal Society, Vol. A264, No. 1151, 1969, pp. 321-542.