Low-speed aerodynamics and aeroacoustics of CROR propulsion systems

15th AIAA/CEAS Aeroacoustics Conference (30th AIAA Aeroacoustics Conference)

Volumn , Issue , 2009, Pages

  Stuermer, Arne ^a   Yin, Jianping ^a  

^a GERMAN AEROSPACE CENTER DLR   (Germany)

Author keywords

[No Author keywords available]

Indexed keywords

AERODYNAMICS; AIRCRAFT; AIRCRAFT PROPULSION; COMPUTATIONAL FLUID DYNAMICS; SEA LEVEL;

AERO-ACOUSTIC SIMULATION; AEROACOUSTIC ANALYSIS; AERODYNAMIC INTERACTIONS; AIRCRAFT PROPULSION SYSTEMS; CONTRA ROTATING OPEN ROTORS (CROR); NOISE GENERATION MECHANISMS; NUMERICAL APPROACHES; PROPULSION SYSTEM;

AEROACOUSTICS;

EID: 78149418560     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.2514/6.2009-3134     Document Type: Conference Paper

References (22)

1. Hager, R. D. and Vrabel, D., "Advanced Turboprop Project," Technical Report NASA SP-495, NASA, 1988.
2. Gerhold, T., Overview of the Hybrid Rans Code TAU, Vol. 89, Springer Verlag, 2005, pp. 81 - 92.
3. Yin, J. and Delfs, J., "Improvement of DLR Rotor Aeroacoustic Code (APSIM) and its Validation with Analytic Solution," 29th European Rotorcraft Forum, Friedrichshafen, Germany, 2003.
4. Stuermer, A., "Unsteady CFD Simulations of Contra-Rotating Propeller Propulsion Systems," 44th AIAA/ASME/SAE/ASEE Joint Propulsion Conference, No. AIAA 2008-5218, Hartford, CT, USA, 2008.
5. Harris, R. W. and Cuthbertson, R. D., "UDF/727 FLight Test Program," 23rd AIAA/SAE/ASME/ASEE Joint Propulsion Conference, No. AIAA 1987-1733, San Diego, CA, USA, 1987.
6. Sullivan, W. E., Turnberg, J. E., and Violette, J. A., "Large-Scale Advanced Prop-Fan (LAP) Blade Design," Technical Report NASA CR-174790, NASA, 1984.
7. Spalart, P. and Allmaras, S., "A One-Equation Turbulence Model for Aerodynamic Flows," Tech. Rep. AIAA 92-0439, 1992.
8. Edwards, J. and Chandra, S., "Comparison of Eddy-Viscosity-Transport Turbulence Models for Three-Dimensional, Shock-Separated Flows," AIAA Journal, Vol. 34, No. 4, 1996, pp. 756-763.
9. Jameson, A., "Time Dependent Calculations Using Multigrid, with Applications to Unsteady Flows Past Airfoils and Wings," 10th Computational Fluid Dynamics Conference, Honolulu, HI, USA, 1991.
10. Madrane, A., Heinrich, R., and Gerhold, T., "Implementation of the Chimera Method in the Unstructured Hybrid DLR Finite Volume TAU-Code," 6th Overset Composite Grid and Solution Technology Symposium, Ft. Walton Beach, FL, USA, 2002, pp. 524-534.
11. Madrane, A., Raichle, A., and Stuermer, A., "Parallel Implementation of a Dynamic Unstructured Chimera Method in the DLR Finite Volume TAU-Code," 12th Annual Conference of the CFD Society o fCanada, Ottawa, Ontario, Canada, 2004, pp. 524-534.
12. CentaurSoft, "http://www.centaursoft.com," web page, 2008.
13. Yin, J. and Ahmed, S., "Prediction- and its Validation- of the Acoustics of Multiblade Rotors in Forward Flight Utilizing Pressure Data from a 3-D Free Wake Unsteady Panel Method," 20th European Rotorcraft Forum, Amsterdam, The Netherlands, 1994.
14. Kuntz, M., Lohmann, D., Lieser, J., and Pahlke, K., "Comparison of Rotor Noise Predictions by a Lifting Surface Method and Euler Solutions Using Kirchhoff Equation." First Joint CEAS/AIAA Aeroacoustic Conference (16th AIAA Aeroacoustic Conference), 1995.
15. Kuntz, M., "Rotor Noise Predictions in Hover and Forward Flight Using Different Aeroacoustic Methods," Tech. Rep. AIAA-96-1695, 1996.
16. Kuntz, M., Heinrich, R., Pahlke, K., and Raddatz, J., "Unsteady Rotor Aerodynamics and Acoustics," 23rd European Rotorcraft Forum, : 16.-18.9.1997, Dresden, Deutschland., 1997.
17. Ffowcs Williams, J. and Hawkings, D., Sound Generation by Turbulence and Surfaces in Arbitrary Motion, Vol. A264, 1969, pp. 321 - 342.
18. Di Francescantonio, M. and Giles, M., "A New Boundary Integral Formulation for the Prediction of Sound Radiation," Journal of Sound and Vibration, Vol. 202(4), 1997, pp. 491-509.
19. Brentner, K. and Farassat, F., "An Analytical Comparison of the Acoustic Analogy and kirchhoff Formulation for Moving Surfaces," AIAA Journal, Vol. 36, No. 8, 1998, pp. 1379-1386.
20. Chung, J.-D., Houugh, J., and Nagel, R. T., "Interaction Between Rotors of aCounter-Rotating Propeller," 13th Aeroacoustics Conference, No. AIAA 1990-3976, Tallahassee, FL, USA, 1990.
21. Lockard, D. P., Mehdi, R. K., and Li, F., "Aeroacoustic Analysis of a Simplied Landing Gear," 10th AIAA/CEAS Aeroacoustics Conference, No. AIAA 2004-2887, Manchester, UK, 2004.
22. Lee, S., Brentner, K. S., Hennes, C. C., Flynt, B. T., Theron, J. N. T., and Duque, E. P. N., "Investigation of the Accuracy Requirements for Permeable Surfaces Used in Rotor Noise Prediction," American Helicopter Society 62rd Annual National Forum, Phoenix, Arizona, 2006.