Influence of the Freestream Turbulence on Wall-Pressure Fluctuations Along an Airfoil Chord

Abstract

No AccessTechnical NotesInfluence of the Freestream Turbulence on Wall-Pressure Fluctuations Along an Airfoil ChordLaura Botero-Bolívar, Fernanda L. dos Santos, Cornelis H. Venner and Leandro de SantanaLaura Botero-Bolívar https://orcid.org/0000-0002-9824-1173University of Twente, Enschede 7522 NB, The Netherlands*Ph.D. Candidate, Engineering Fluid Dynamics, Department of Thermal Fluid Engineering; (Corresponding Author).Search for more papers by this author, Fernanda L. dos Santos https://orcid.org/0000-0001-8216-185XUniversity of Twente, Enschede 7522 NB, The Netherlands†Ph.D. Candidate, Engineering Fluid Dynamics, Department of Thermal Fluid Engineering.Search for more papers by this author, Cornelis H. VennerUniversity of Twente, Enschede 7522 NB, The Netherlands‡Chair Engineering Fluid Dynamics Group, Department of Thermal Fluid Engineering.Search for more papers by this author and Leandro de Santana https://orcid.org/0000-0003-3235-544XUniversity of Twente, Enschede 7522 NB, The Netherlands§Assistant Professor, Department of Thermal Fluid Engineering.Search for more papers by this authorPublished Online:10 Mar 2023https://doi.org/10.2514/1.J062567SectionsRead Now ToolsAdd to favoritesDownload citationTrack citations ShareShare onFacebookTwitterLinked InRedditEmail About References [1] Mish P. F. and Devenport W. J., “An Experimental Investigation of Unsteady Surface Pressure on an Airfoil in Turbulence—Part 1: Effects of Mean Loading,” Journal of Sound and Vibration, Vol. 296, No. 3, 2006, pp. 417–446. https://doi.org/10.1016/j.jsv.2005.08.008 CrossrefGoogle Scholar[2] Paterson R. W. and Amiet R. K., “Noise and Surface Pressure Response of an Airfoil to Incident Turbulence,” Journal of Aircraft, Vol. 14, No. 8, 1977, pp. 729–736. https://doi.org/10.2514/3.58845 LinkGoogle Scholar[3] Botero-Bolivar L., dos Santos F. L., Venner C. H. and de Santana L., “Increase of Unsteady Pressure at a Trailing Edge due to Inflow Turbulence,” AIAA Journal, Vol. 60, No. 12, 2022, pp. 6798–6813. https://doi.org/10.2514/1.J061719 LinkGoogle Scholar[4] Dogan E., Hanson R. E. and Ganapathisubramani B., “Interactions of Large-Scale Free-Stream Turbulence with Turbulent Boundary Layers,” Journal of Fluid Mechanics, Vol. 802, Sept. 2016, pp. 79–107. https://doi.org/10.1017/jfm.2016.435 CrossrefGoogle Scholar[5] Thole K. A. and Bogard D. G., “High Freestream Turbulence Effects on Turbulent Boundary Layers,” Journal of Fluids Engineering, Vol. 118, No. 2, 1996, pp. 276–284. https://doi.org/10.1115/1.2817374 CrossrefGoogle Scholar[6] Hutchins N. and Marusic I., “Large-Scale Influences in Near-Wall Turbulence,” Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences, Vol. 365, No. 1852, 2007, pp. 647–664. https://doi.org/10.1098/rsta.2006.1942 CrossrefGoogle Scholar[7] de Santana L. D., Sanders M. P., Venner C. H. and Hoeijmakers H. W., “The UTwente Aeroacoustic Wind Tunnel Upgrade,” AIAA Paper 2018-3136, 2018. https://doi.org/10.2514/6.2018-3136 LinkGoogle Scholar[8] Dos Santos F. L., Botero-Bolivar L., Venner C. H. and de Santana L. D., “Modelling the Dissipation Range of von Kármán Turbulence Spectrum,” 2021 AIAA Aviation Forum Conference, AIAA Paper 2021-2292, 2021. https://doi.org/10.2514/6.2021-2292 LinkGoogle Scholar[9] Botero L., dos Santos F. L., Venner C. and de Santana L. D., “Influence of the Free-Stream Turbulence on an Airfoil’s Wall-Pressure Fluctuations,” 28th AIAA/CEAS Aeroacoustics 2022 Conference, AIAA Paper 2022-3102, 2022. https://doi.org/10.2514/6.2022-3102 LinkGoogle Scholar[10] Drela M., “XFOIL: An Analysis and Design System for Low Reynolds Number Airfoils,” Low Reynolds Number Aerodynamics, edited by Mueller T. J., Springer, Berlin, 1989, pp. 1–12. https://doi.org/10.1007/978-3-642-84010-4_1 CrossrefGoogle Scholar[11] Glegg S. and Devenport W., Aeroacoustics of Low Mach Number Flows, Academic Press, New York, 2017, pp. 213–219. Google Scholar[12] Meijerink B., dos Santos F. L., Botero L., Venner C. and de Santana L. D., “Angle of Attack Effects on the Wall-Pressure Fluctuations of an Airfoil in Turbulence,” 28th AIAA/CEAS Aeroacoustics 2022 Conference, AIAA Paper 2022-3043, 2022. https://doi.org/10.2514/6.2022-3043 LinkGoogle Scholar Next article FiguresReferencesRelatedDetails What's Popular Articles in Advance CrossmarkInformationCopyright © 2023 by the authors. Published by the American Institute of Aeronautics and Astronautics, Inc., with permission. All requests for copying and permission to reprint should be submitted to CCC at www.copyright.com; employ the eISSN 1533-385X to initiate your request. See also AIAA Rights and Permissions www.aiaa.org/randp. TopicsAerodynamicsAeronautical EngineeringAeronauticsAerospace SciencesAircraft DesignAircraft Operations and TechnologyAircraft Wing DesignAirfoilBoundary LayersComputing, Information, and CommunicationFluid DynamicsTurbulenceVortex DynamicsWind Tunnels KeywordsFree Stream TurbulenceBoundary Layer TransitionNACA 0008Reynolds NumberWind TunnelsPower Spectral DensityWall-pressure spectrumFree-stream turbulence penetrationAerodynamic NoiseLeading-edge noiseAcknowledgmentsThis research received financial support from the European Commission through the H2020-MSCA-ITN-209 project zEPHYR (grant agreement No 860101). The authors would like to acknowledge W. Lette, E. Leusink, S. Wanrooij, and the technicians from the metal workshop of the University of Twente for their technical support and their valuable help in building the experimental setup.PDF Received20 October 2022Accepted18 February 2023Published online10 March 2023