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Effect of Inflow Conditions on the Noise Reduction Through Leading Edge Serrations

2019; American Institute of Aeronautics and Astronautics; Volume: 57; Issue: 9 Linguagem: Inglês

10.2514/1.j057831

1533-385X

Till M. Biedermann, Pasquale Czeckay, Thomas Geyer, Frank Kameier, Christian Oliver Paschereit,

Fluid Dynamics and Turbulent Flows

No AccessTechnical NotesEffect of Inflow Conditions on the Noise Reduction Through Leading Edge SerrationsTill M. Biedermann, Pasquale Czeckay, Thomas F. Geyer, Frank Kameier and Christian O. PaschereitTill M. BiedermannDusseldorf University of Applied Sciences, D-40476 Dusseldorf, Germany*Doctoral Researcher, Institute of Sound and Vibration Engineering (ISAVE); . Student Member AIAA.Search for more papers by this author, Pasquale CzeckayDusseldorf University of Applied Sciences, D-40476 Dusseldorf, Germany†Research Assistant, Institute of Sound and Vibration Engineering (ISAVE); .Search for more papers by this author, Thomas F. GeyerBrandenburg University of Technology Cottbus–Senftenberg, D-03046 Cottbus, Germany‡Research Associate, Aeroacoustics Research Group; . Member AIAA.Search for more papers by this author, Frank KameierDusseldorf University of Applied Sciences, D-40476 Dusseldorf, Germany§Professor, Institute of Sound and Vibration Engineering (ISAVE); .Search for more papers by this author and Christian O. PaschereitBerlin Technical University, D-10623 Berlin, Germany¶Professor, Institute of Fluid Dynamics and Technical Acoustics (ISTA); .Search for more papers by this authorPublished Online:24 Jun 2019https://doi.org/10.2514/1.J057831SectionsRead Now ToolsAdd to favoritesDownload citationTrack citations ShareShare onFacebookTwitterLinked InRedditEmail About References [1] Kim J. W., Haeri S. and Joseph P. F., “On the Reduction of Aerofoil–Turbulence Interaction Noise Associated with Wavy Leading Edges,” Journal of Fluid Mechanics, Vol. 792, April 2016, pp. 526–552. doi:https://doi.org/10.1017/jfm.2016.95 CrossrefGoogle Scholar[2] Turner J. M. and Kim J. 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Geyer, Felix Czwielong, Florian Krömer, Stefan Becker, Markus Merkel and Wolfram Pannert8 June 2020 What's Popular Volume 57, Number 9September 2019Special Section on Advances in Bio-inspired Propulsion CrossmarkInformationCopyright © 2019 by Till M. Biedermann, P. Czeckay, T. Geyer. 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. TopicsAeroacousticsAerodynamic PerformanceAerodynamicsAeronautical EngineeringAeronauticsBoundary LayersFlow RegimesFluid DynamicsTurbulenceVortex DynamicsWind Tunnels KeywordsLift to Drag RatioSound Pressure LevelFree Stream VelocityStrouhal NumberAerodynamic PerformanceTurbulent Boundary LayerTurbulence Length ScaleTurbulence IntensityVortex GeneratorsAirfoil ChordAcknowledgmentThe authors gratefully acknowledge T. P. Chong from Brunel University London for generously providing some of the hardware needed for the study.PDF Received15 August 2018Accepted17 May 2019Published online24 June 2019