한국소음진동공학회논문집 (Transactions of the Korean Society for Noise and Vibration Engineering)

  • 제22권6호
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  • Pages.524-534
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  • 2012
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  • 1598-2785(pISSN)
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  • 2287-5476(eISSN)
한국소음진동공학회 (The Korean Society for Noise and Vibration Engineering)
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점 압력 스펙트럼에 대한 준-이론 모델을 사용한 효율적이고 정확한 평판 뒷전 소음의 예측

Efficient and Accurate Prediction of Flat Pate Trailing Edge Noise Using Semi-analytic Model for Point Pressure Spectra

  • 투고 : 2012.03.14
  • 심사 : 2012.05.16
  • 발행 : 2012.06.20
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초록

In order to predict trailing edge noise from a flat plate more effectively and accurately, the prediction algorithm based on semi-analytic model for point pressure spectrum is proposed. The semi-analytic model consists of empirical models for point pressure spectra and theoretical model to determine the boundary layer characteristics needed for the empirical models. The proposed methods are applied to predict the trailing edge noise of the flat plate located in the mean flow of speed 38 m/s, for which the measured data are available. In present study, six empirical models for point pressure spectra are utilized for the predictions of trailing edge noise and their prediction results are compared to the measured data. Through the analysis of these comparisons, it is revealed that the present method based on non-frozen formula using Efimtsov model and Smol'yakov-Tkachenko model can provide more accurate and efficient predictions of trailing edge noise.

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참고문헌

  1. Lee, G.-S., Shin, S.-H., Cheong, C. and Jung, S.-S., 2009, Localization of Acoustic Sources on Wind Turbine by Using Beam-forming Techniques, Transactions of the Korean Society for Noise and Vibration Engineering, Vol. 19, No. 8, pp. 809-815. https://doi.org/10.5050/KSNVN.2009.19.8.809
  2. Fukano, T., Kodama, Y. and Senoo, Y., 1977, Noise Generated by Low Pressure Axial Flow Fans -1: Modelling of the Turbulent Noise, Journal of Sound and Vibration, Vol. 50, No. 1, pp. 63-74. https://doi.org/10.1016/0022-460X(77)90551-X
  3. Schlinker, R. H. and Amiet, R. K., 1981, Helicopter Trailing Edge Noise, NASA CR-3470.
  4. Brooks, T. F., Marcolini, M. A. and Pope, D. S., 1989, Airfoil Self-noise and Prediction, NASA RP-1218.
  5. Ffowcs Williams, J. E. and Hall, L. H., 1970, Aerodynamic Sound Generation by Turbulent Flow in the Vicinity of a Sacattering Half Plane, Journal of Fluid Mechanics, Vol. 40, No. 4, pp. 657-670. https://doi.org/10.1017/S0022112070000368
  6. Amiet, R. K., 1976, Noise due to Turbulence Flow Past a Trailing Edge, Journal of Sound and Vibration, Vol. 47, No. 3, pp. 387-393. https://doi.org/10.1016/0022-460X(76)90948-2
  7. Howe, M. S., 1998, Acoustics of Fluid-structure Interactions, Cambridge: Cambridge University Press.
  8. Moreau, S. and Roger, M., 2009, Backscattering Correction and Further Extensions of Amiet's Trailing-edge Noise Model, Part II: Application, Journal of Sound and Vibration, Vol. 323, No. 1-2, pp. 397-425. https://doi.org/10.1016/j.jsv.2008.11.051
  9. Zhou, Q. and Joseph, P., 2007, A Frequency Domain Numerical Method for Airfoil Broadband Self-noise Prediction, Journal of Sound and Vibration, Vol. 299, No. 3, pp. 504-519. https://doi.org/10.1016/j.jsv.2006.06.061
  10. Corcos, G. M., 1964, The Structure of the Turbulent Pressure Field in Boundary Layer Flows, J. Fluid Mech, Vol. 18, No. 3, pp. 353-377. https://doi.org/10.1017/S002211206400026X
  11. Casper, J. and Farassat, F., 2004, Broadband Trailing Edge Noise Predictions in the Time Domain, Journal of Sound and Vibration, Vol. 271, No. 1-2, pp. 159-176. https://doi.org/10.1016/S0022-460X(03)00367-5
  12. Brooks, T. F. and Hodgson, T. H., 1981, Trailing Edge Noise Prediction from Measured Surface Pressures, Journal of Sound and Vibration, Vol. 78, No. 1, pp. 69-117. https://doi.org/10.1016/S0022-460X(81)80158-7
  13. Hwang, Y. F., Unknown, W. K. B. and Hambric, S. A., 2009, Comparison of Semi-empirical Models for Turbulent Boundary, Journal of Sound and Vibration, Vol. 319, No. 1-2, pp. 199-217. https://doi.org/10.1016/j.jsv.2008.06.002
  14. Schlichting, H. and Gersten, K., 2000, Boundary Layer Theory, 8th ed. Berlin: Springer.
  15. Moreau, D. J., Brooks, L. A. and Doolan, C. J., 2011, Broadband Trailing Edge Noise from a Sharp-edged Strut, J Acoust Soc Am, Vol. 129, No. 5. p. 2820. https://doi.org/10.1121/1.3569698
  16. Goldstein, M. E., 1976, Aeroacoustics, New York: McGraw-Hill Book Company.
  17. Goody, M. C., 2004, Empirical Spectral Model of Surface Pressure Fluctuations, Journal of AIAA 42.
  18. Capone, D. E., 1995, Calculation of Turbulent Boundary Layer Wall Pressure Spectra, Journal of Acoustical Society of America, Vol. 98, pp. 2226-2234. https://doi.org/10.1121/1.413337
  19. Graham, W. R., 1997, A Comparison of Models for the Wavenumber-frequency Spectrum of Turbulent Boundary Layer Pressures, Journal of Sound and Vibration, Vol. 206, No. 4, pp. 541-565. https://doi.org/10.1006/jsvi.1997.1114
  20. Amiet, R. K., 1978, Effect of the Incident Surface Pressure Field on Noise Due to Turbulence Flow Past a Trailing Edge, Journal of Sound and Vibration, Vol. 47, No. 3, pp. 387-393.
  21. Smol'yakov, A. V., 2000, Calculation of the Spectra of Pseudosound Wall Pressure Fluctuations in Turbulent Boundary Layers, Acoustical Physics, Vol. 46, No. 3, pp. 342-347. https://doi.org/10.1134/1.29890
  22. Efimtsov, B. M., 1984, Similarity Criteria for the Spectra of Wall Pressure Fluctuations in a Turbulent Boundary Layer, Soviet Physics(Acoustics), Vol. 30, No. 1, pp. 33-35.
  23. Chase, D. M., 1980, Modeling the Wavevectorfrequency Spectrum of Turbulent Boundary Layer Wall Pressure, Journal of Sound and Vibration, Vol. 70, No. 1, pp. 29-67. https://doi.org/10.1016/0022-460X(80)90553-2
  24. Smol'yakov, A. V. and Tkachenko, V. M., 1991, Model of a Field of Pseudosonic Turbulent Wall Pressures and Experimental Data, Soviet Physics(Acoustics), Vol. 37, No. 6, pp. 627-631.
  25. Eckert, E. R. G. R., DrakeJr., M., 1959, Heat and Mass Transfer, 2nd ed. New York: McGraw-Hill Book Company, Inc.
  26. Roger, M. and Moreau, S., 2005, Backscattering Correction and Further Extensions of Amiet's Trailing-edge Noise Model, Part 1: Theory, Journal of Sound and Vibration, Vol. 286, No. 3, pp. 477-506. https://doi.org/10.1016/j.jsv.2004.10.054