Volume 43, Issue 7 No AccessTransonic Helicopter NoiseA. S. Morgans, S. A. Karabasov, A. P. Dowling and T. P. HynesA. S. Morgans University of Cambridge, Cambridge, England CB2 1PZ, United KingdomSearch for more papers by this author, S. A. Karabasov University of Cambridge, Cambridge, England CB2 1PZ, United KingdomSearch for more papers by this author, A. P. Dowling University of Cambridge, Cambridge, England CB2 1PZ, United KingdomSearch for more papers by this author and T. P. Hynes University of Cambridge, Cambridge, England CB2 1PZ, United KingdomSearch for more papers by this authorPublished Online:2 May 2012https://doi.org/10.2514/1.6679SectionsRead Now ToolsAdd to favoritesDownload citationTrack citations ShareShare onFacebookXLinked InRedditEmail About Previous article Next article FiguresReferencesRelatedDetailsSee PDF for referencesCited byAcoustic Analogy with High-Order Time Derivatives for Far-Field Acoustic Predictions28 February 2024 | Acoustical Physics, Vol. 69, No. 6Numerical analysis on the high-speed impulsive noise propagation characteristic of helicopter rotor in the presence of strong shear flow1 Feb 2023 | Applied Acoustics, Vol. 203Numerical characterisation of noise generated by a distributed-propulsion propellerSidharath Sharma, Stephen Ambrose and Richard Jefferson-Loveday13 June 2022Aeroacoustic modeling of helicopter transonic rotor noise1 Mar 2022 | Aerospace Science and Technology, Vol. 122Blade-vortex interaction detection and extraction under deep neural network-based scale feature model27 August 2021 | The Journal of the Acoustical Society of America, Vol. 150, No. 2Deep Neural Network-Based Scale Feature Model for BVI Detection and Principal Component Extraction21 January 2020An adaptive integration surface for predicting transonic rotor noise in hovering and forward flights1 Sep 2019 | Chinese Journal of Aeronautics, Vol. 32, No. 9Development and validation of a hybrid method for predicting helicopter rotor impulsive noise14 February 2018 | Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering, Vol. 233, No. 4Uncertainty quantification for the aeroacoustics of rotating blades in the time domain1 Oct 2018 | Applied Acoustics, Vol. 139Emission surfaces and noise prediction from rotating sources1 Sep 2018 | Journal of Sound and Vibration, Vol. 429Aeroacoustic scattering of rotating sources using a frequency-domain acoustic pressure gradient formulation1 Jan 2018 | Applied Acoustics, Vol. 130Compact Assumption Applied to Monopole Term of Farassat’s FormulationsLeonard V. Lopes13 March 2017 | Journal of Aircraft, Vol. 54, No. 5Noise Predictions of Helicopter Rotors in Hover and Forward FlightYusuf Ozyoruk, Ali Unal and Ali Oguz Yuksel2 June 2017Optimization for rotor blade-tip planform with low high-speed impulsive noise characteristics in forward flight2 June 2016 | Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering, Vol. 231, No. 7Compact Assumption Applied to the Monopole Term of Farassat's FormulationLeonard V. Lopes18 June 2015The Effect of a Laminar Moving Flame Front on Thermoacoustic Oscillations of an Anchored Ducted V-Flame3 September 2014 | Combustion Science and Technology, Vol. 187, No. 3Adaptive Control of Shock Waves with a Passively Morphing Layer for Rotating Blades1 Mar 2015 | Journal of Aerospace Engineering, Vol. 28, No. 2CABARET method on unstructured hexahedral grids for jet noise computation1 Dec 2013 | Computers & Fluids, Vol. 88Solution Characteristics of the Retarded-Time Equation for Transonic Rotating SourcesHongtao Tang, Yijun Mao and Datong Qi23 July 2013 | AIAA Journal, Vol. 51, No. 8Numerical analysis on noise of rotor with unconventional blade tips based on CFD/Kirchhoff method1 Jun 2013 | Chinese Journal of Aeronautics, Vol. 26, No. 3Introduction14 September 2012Further Topics in Aerodynamic Noise14 September 2012Computational Aeroacoustics14 September 2012Monopole, Dipole, and Quadrupole Models14 September 2012Subsonic Jet Without Considering Convection14 September 2012Subsonic Jet Noise (Including Effect of Convection)14 September 2012Lighthill’s Theory of Aerodynamic Noise14 September 2012Numerical prediction of wind turbine noise1 Jul 2011 | Renewable Energy, Vol. 36, No. 7An acoustic analogy formulation for moving sources in uniformly moving media30 June 2010 | Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences, Vol. 467, No. 2125An Acoustic Analogy Formulation for Uniformly Moving Media: Formulation 1CAlireza Najafi-Yazdi, Luc Mongeau and Guillaume Bres4 November 2012Numerical investigation of nonlinear propagation distortion effects in helicopter rotor noise1 Oct 2009 | The Journal of the Acoustical Society of America, Vol. 126, No. 4New perspectives in the use of the Ffowcs Williams–Hawkings equation for aeroacoustic analysis of rotating blades3 January 2007 | Journal of Fluid Mechanics, Vol. 570A method for solving compressible flow equations in an unsteady free stream1 February 2006 | Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science, Vol. 220, No. 2 What's Popular Volume 43, Number 7July 2005 Metrics Crossmark TopicsAircraft Components and StructureAircraft Conceptual DesignAircraft DesignAircraft Operations and TechnologyAircraft Stability and ControlAircraft Wing DesignAircraftsFlight Control SurfacesHelicoptersMilitary HelicopterRotorcraftsWing ConfigurationsWing Planforms KeywordsHelicopter RotorMach NumbersAccurate Computational Fluid DynamicsSupersonic FlowControl SurfacesAspect RatioFlight TestingRotor BladesWind Tunnel TestsBlade PitchDigital Published online2 May 2012