Semi-empirical modeling of turbulent anisotropy for airfoil self noise predictions

16th AIAA/CEAS Aeroacoustics Conference (31st AIAA Aeroacoustics Conference)

Volumn , Issue , 2010, Pages

  Kamruzzaman, M ^a,b   Lutzt, Th ^a,b   Herrig, A ^a,b   Kramer, E ^a,c  

^a UNIVERSITY OF STUTTGART   (Germany)

^b Aircraft Aerodynamics ^*  (Germany)

^c Head of the Institute   (Germany)

Author keywords

[No Author keywords available]

Indexed keywords

AMPLITUDE SCALING; ANISOTROPIC FLOWS; ANISOTROPIC TURBULENCE; DISSIPATION RATES; EXPERIMENTAL DATA; HIGH REYNOLDS NUMBER; KOLMOGOROV; LENGTH SCALE; NEAR WAKE; NEW MODEL; NOISE PREDICTION METHODS; NOISE PREDICTIONS; NOISE SPECTRA; POST PROCESSING; RANS SIMULATION; SCALING FACTORS; SCALING FUNCTIONS; SEMI-EMPIRICAL; SEMI-EMPIRICAL MODELING; SPECTRA MODELING; TURBULENCE ANISOTROPY; TURBULENCE PARAMETERS; TURBULENT BOUNDARY-LAYER; TURBULENT VELOCITY; TWO-POINT; VELOCITY SPECTRUM;

ACOUSTIC NOISE MEASUREMENT; AIRFOILS; ANISOTROPY; NAVIER STOKES EQUATIONS; REYNOLDS NUMBER; TURBULENCE;

AEROACOUSTICS;

EID: 78649562402     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: None     Document Type: Conference Paper

References (16)

1. Kamruzzaman, M., Lutz, T., Ivanov, A., Herrig, A., Würz, W., and Krämer, E., "Evaluation of Measured Anisotropic Turbulent Two-point Correlation Data for the Accurate Prediction of the Turbulence Noise Sources," AIAA-2009-3313-818, 15th AIAA/CEAS Aeroacoustics Conference Proc., Miami, USA, 10-13 May 2009.
2. Blake, W., Mechanics of Flow-Induced Sound and Vibration Vol. I and II, Academic Press, INC., 1986.
3. Lutz, T., Herrig, A., Würz, W., Kamruzzaman, M., and Krämer, E., "Design and Wind-Tunnel Verification of Low-Noise Airfoils for Wind Turbines," AIAA Journal, Vol. 45, No. 4, 2007, pp. 779-792, see also: AIAA Paper 2006-3322.
4. Kamruzzaman, M., Lutz, T., and Krämer, E., "An Approach to RANS Based Prediction of Airfoil Trailing Edge Far-Field Noise," Conf. Proc., Wind Turbine Noise-2007, Lyon, France, September 2007.
5. 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.
6. Kamruzzaman, M., Lutz, T., Herrig, A., and Krämer, E., "RANS Based Prediction of Airfoil Trailing Edge Far-Field Noise: Impact of Isotropic & Anisotropic Turbulence," AIAA-2008-2867-685, 14th AIAA/CEAS Aeroacoustics Conference Proc., Vancouver, Canada, 5-7 May 2008.
7. Kamruzzaman, M., Herrig, A., Lutz, T., Würz, W., Krämer, E., and Wagner, S., "Comprehensive Evaluation and Assessment of Trailing Edge Noise Prediction Based on Dedicated Measurements," Conf. Proc., Wind Turbine Noise-2009, Aalborg, Denmark, Accepted for Pub. in Int. J. of Noise Control Eng., June 2009.
8. Wortmann, F. X. and Althaus, D., "Der Laminarwindkanal des Instituts für Aero- und Gasdynamik an der Technischen Hochschule Stuttgart," Zeitschrift für Flugwissenschaften, Vol. 12, No. 4, April 1964, pp. 129-134.
9. Lumley, J. L. and Newman, G., "The return to isotropy of homogeneous turbulence." Journal of Fluid Mechanics, Vol. 82, No. 1, 1977, pp. 161-178.
10. Pope, S. B., Turbulent Flows, Cambridge University Press, 2000.
11. Hinze, J. O., Turbulence, McGraw-Hill, 1975.
12. Elsner, J. W. and Elsner, W., "On the Measurement of Turbulence Energy Dissipation," Journal of Meas. Sci. Tecnology, Vol. 7, 1996, pp. 1334-1348.
13. Gamard, S. and George, K., "Reynolds Number Dependence of Energy Spectra in the Overlap Region of Isotropic Turbulence," Kluwer Academic Publishers, The Netherlands, 2002.
14. Tennekes, H. and Lumley, J. L., A First Course in Turbulence, The MIT Press, March 15, 1972.
15. Batchelor, G. K., The Theory of Homogeneous Turbulence, Cambridge University Press, 1953, ISBN 0-521-04117-1.
16. Wilson, D. K., "Anisotropic Turbulence Models for Acoustic Propagation Through the Neutral Atmospheric Surface Layer," Report: Arl-tr-1519, Army Research Laboratory, Adelphi, MD 20783-1197, US, February 1998.