RANS/CAA based prediction of NACA 0012 broadband trailing edge noise and experimental validation

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

Volumn , Issue , 2009, Pages

  Ewert, R ^a   Appel, C ^a   Dierke, J ^a   Herr, M ^a  

^a GERMAN AEROSPACE CENTER DLR   (Germany)

Author keywords

[No Author keywords available]

Indexed keywords

ACOUSTIC ANALOGY; ACOUSTIC PERTURBATION EQUATIONS; BROADBAND SPECTRA; COMBUSTION NOISE; EXPERIMENTAL VALIDATIONS; FLOW FEATURES; IRROTATIONAL FLOW; JET NOISE; POWER LAW; PREDICTION METHODS; PREDICTION QUALITY; PREDICTION TOOLS; REYNOLDS-AVERAGED NAVIER-STOKES; SEMI-EMPIRICAL; SOUND SOURCE; SOURCE TERMS; SPATIO-TEMPORAL; STOCHASTIC METHODS; TIME DOMAIN; TRAILING EDGE NOISE; TRAILING EDGES; TURBULENT FIELDS; TURBULENT SOUNDS; UNSTEADY VORTICES;

ACOUSTIC GENERATORS; AIRFOILS; ATMOSPHERIC BOUNDARY LAYER; EXPLOSIVES; FLOW FIELDS; FORECASTING; MACH NUMBER; MATHEMATICAL OPERATORS; NAVIER STOKES EQUATIONS; REYNOLDS NUMBER; TIME DOMAIN ANALYSIS; TURBULENCE;

COMPUTATIONAL AEROACOUSTICS;

EID: 78149428651     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: None     Document Type: Conference Paper

References (21)

1. Ewert, R. and Schröder, W., "On the simulation of trailing edge noise with a hybrid LES/APE method," Journal of Sound and Vibration, Vol. 270, 2004, pp. 509-524.
2. König, D., Koh, S., Schroder, W., and Meinke, M., "Slat Noise Source Identification," 2009, AIAA Paper 2009-3100.
3. Ma, Z. and Zhang, X., "Broadband Slat Noise Attenuation with Acoustic Liner Treatment," 2008, AIAA Paper 20082964.
4. Koh, S., Groschel, E., Meinke, M., and Schröder, W., "Numerical Analysis of Sound Sources in High Reynolds Number Single Jets," 2007, AIAA Paper 2007-3591.
5. Bui, T., Ihme, M., Meinke, M., Schroder, W., and Pitsch, H., "Numerical Applicability of Different Sound Source Formulations to Compute Combustion Noise Using Acoustic Perturbation Equations for Reacting Flow," 2008, AIAA Paper 2008-2948.
6. Ewert, R., "Broadband Slat Noise Prediction based on CAA and Stochastic Sound Sources from a Random Particle-Mesh (RPM) method," Comp, and Fluids, Vol. 37(4), 2008, pp. 369-387.
7. Howe, M. S., "Trailing Edge Noise at Low Mach Numbers," Journal of Sound and Vibration, Vol. 225, No. 2, 1999, pp. 211-238.
8. Brooks, T. and Hodgson, T., "Trailing Edge Noise Prediction From Measured Surface Pressures," Journal of Sound and Vibration, Vol. 78(1), 1981, pp. 69-117.
9. Brooks, T., Pope, D., and Marcolini, M., "Airfoil Self-Noise and Prediction," Tech. rep., NASA, Reference Publication 1218, 1989.
10. Ewert, R., "Slat noise trend prediction using CAA with stochastic sound sources from a random particle-mesh method (RPM)," AIAA Paper 2006-2667, 2006.
11. Ewert, R., "RPM-the fast random particle-mesh method to realize unsteady turbulent sound sources and velocity fields for CAA applications," AIAA Paper 2007-3506, 2007.
12. Lummer, M., Delfs, J., and Lauke, T., "Simulation of the influence of trailing edge shape on airfoil sound generation," 2003, AIAA Paper 2003-3109.
13. Rubinstein, R. and Zhou, Y., "Time correlations and the frequency spectrum of sound radiated by turbulent flows," Tech. rep., NASA, NAS1-19480, 1997.
14. Siefert, M. and Ewert, R., "Sweeping Sound Generation in Jets Predicted with a Random Particle-Mesh Method," 2009, AIAA Paper 2009-3369.
15. Manoha, E., Elias, G., Troff, B., and Sagaut, P., "Towards the Use of Boundary Element Method in Computational Aeroacoustics," 1999, AIAA Paper 99-1980.
16. Oberai, A. A., Roknaldin, F., and Hughes, T. J. R., "Trailing-edge noise due to turbulent flows," Tech. rep., Boston University, Report No. 02-002, 2002.
17. Seo, J. H. and Moon, Y. J., "Aerodynamic noise prediction for long-span bodies," jsv, Vol. 306, 2007, pp. 564-579.
18. Delfs, J., "Methoden der Aeroakustik," Tech. rep., DLR, Lecture Technical University Braunschweig, 2007.
19. Ewert, R. and Schroder, W., "Acoustic Perturbation Equations Based on Flow Decomposition via Source Filtering," J. Comput. Phys., Vol. 188, 2003, pp. 365-398.
20. Amiet, R. K., "Noise due to turbulent flow past a trailing edge," Journal of Sound and Vibration, Vol. 47, 1976, pp. 387393.
21. Herr, M., "Design criteria for low-noise trailing-edges," AIAA Paper 2007-3470, 2007.