Identification of noise sources on a realistic landing gear using numerical phased array methods applied to computational data

The aerodynamic sound sources on a realistic landing gear are investigated using numerical phased array methods, based on array data extracted from compressible Detached-Eddy Simulations of the flo ...

[1]  Yueping Guo,et al.  A statistical model for landing gear noise prediction , 2003 .

[2]  Pieter Sijtsma,et al.  CLEAN Based on Spatial Source Coherence , 2007 .

[3]  Yang-Hann Kim,et al.  Sound Visualization and Manipulation: Kim/Sound Visualization and Manipulation , 2013 .

[4]  Luc Mongeau,et al.  An acoustic analogy formulation for moving sources in uniformly moving media , 2011, Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences.

[5]  Gunilla Efraimsson,et al.  Numerical investigation of a realistic nose landing gear , 2014 .

[6]  Werner Dobrzynski,et al.  Almost 40 Years of Airframe Noise Research: What Did We Achieve? , 2010 .

[7]  Eleonora Neri,et al.  The Reduction of Main Landing Gear Noise , 2016 .

[8]  Ennes Sarradj,et al.  Acoustic and aerodynamic design and characterization of a small-scale aeroacoustic wind tunnel , 2009 .

[9]  Philippe R. Spalart,et al.  Initial noise predictions for rudimentary landing gear , 2011 .

[10]  Ennes Sarradj,et al.  A fast signal subspace approach for the determination of absolute levels from phased microphone array measurements , 2010 .

[11]  Bastien Caruelle,et al.  LAGOON: further analysis of aerodynamic experiments and early aeroacoustics results , 2009 .

[12]  Eleonora Neri,et al.  Aeroacoustic Source Separation on a Full Scale Nose Landing Gear Featuring Combinations of Low Noise Technologies , 2015 .

[13]  Susann Boij,et al.  Aeroacoustic study of a submerged air inlet using an IDDES/FW-H approach and sound source modelling through direct numerical beamforming , 2016 .

[14]  Jian Li,et al.  Robust Capon beamforming , 2002, Conference Record of the Thirty-Sixth Asilomar Conference on Signals, Systems and Computers, 2002..

[15]  P. Welch.  The use of fast Fourier transform for the estimation of power spectra: A method based on time averaging over short, modified periodograms , 1967 .

[16]  Susann Boij,et al.  Identifying equivalent sound sources from aeroacoustic simulations using a numerical phased array , 2017 .

[17]  Thomas F. Brooks,et al.  A Deconvolution Approach for the Mapping of Acoustic Sources (DAMAS) Determined from Phased Microphone Arrays , 2006 .

[18]  Robert P. Dougherty,et al.  Deconvolution of Sources in Aeroacoustic Images from Phased Microphone Arrays Using Linear Programming , 2013 .

[19]  J. Högbom,et al.  APERTURE SYNTHESIS WITH A NON-REGULAR DISTRIBUTION OF INTERFEROMETER BASELINES. Commentary , 1974 .

[20]  P. Spalart,et al.  A hybrid RANS-LES approach with delayed-DES and wall-modelled LES capabilities , 2008 .

[21]  E. Fares,et al.  Lattice–Boltzmann Aeroacoustic Analysis of the LAGOON Landing-Gear Configuration , 2014 .

[22]  Gert Herold,et al.  A Python framework for microphone array data processing , 2017 .

[23]  Stephane Redonnet,et al.  Landing Gear Noise Sources Identification through an Application of Array Methods to Experimental and Computational Data , 2016 .

[24]  F. Farassat,et al.  An Analytical Comparison of the Acoustic Analogy and Kirchhoff Formulation for Moving Surfaces , 1997 .

[25]  Pierre Sagaut,et al.  Large-Eddy Simulation for Acoustics: Contributors , 2007 .