Slat noise in high-lift systems
This paper reviews several decades' worth of research on the topic of slat noise arising from
high-lift systems of commercial aircraft. A high-lift system is commonly used for providing …
high-lift systems of commercial aircraft. A high-lift system is commonly used for providing …
Surface integral methods in computational aeroacoustics—From the (CFD) near-field to the (Acoustic) far-field
AS Lyrintzis - International journal of aeroacoustics, 2003 - journals.sagepub.com
A review of recent advances in the use of surface integral methods in Computational
AeroAcoustics (CAA) for the extension of near-field CFD results to the acoustic far-field is …
AeroAcoustics (CAA) for the extension of near-field CFD results to the acoustic far-field is …
An efficient, two-dimensional implementation of the Ffowcs Williams and Hawkings equation
DP Lockard - Journal of Sound and Vibration, 2000 - Elsevier
This paper describes a two-dimensional formulation of the Ffowcs Williams and Hawkings
equation in the frequency domain. By assuming subsonic rectilinear motion of all acoustic …
equation in the frequency domain. By assuming subsonic rectilinear motion of all acoustic …
Broadband slat noise prediction based on CAA and stochastic sound sources from a fast random particle-mesh (RPM) method
R Ewert - Computers & Fluids, 2008 - Elsevier
The application of a low-cost computational aeroacoustics (CAA) approach to a slat noise
problem is studied. A fast and efficient stochastic method is introduced to model the …
problem is studied. A fast and efficient stochastic method is introduced to model the …
Detached-eddy simulations over a simplified landing gear
LS Hedges, AK Travin, PR Spalart - J. Fluids Eng., 2002 - asmedigitalcollection.asme.org
The flow around a generic airliner landing-gear truck is calculated using the methods of
Detached-Eddy Simulation, and of Unsteady Reynolds-Averaged Navier-Stokes Equations …
Detached-Eddy Simulation, and of Unsteady Reynolds-Averaged Navier-Stokes Equations …
Time-accurate simulations and acoustic analysis of slat free shear layer
MR Khorrami, BA Singer, ME Berkman - AIAA journal, 2002 - arc.aiaa.org
A detailed computational aeroacoustic analysis of a high-lift ow eld is performed. Time-
accurate Reynolds averagedNavier–Stokes computations simulate the free shear layer that …
accurate Reynolds averagedNavier–Stokes computations simulate the free shear layer that …
Aeroacoustic phased array testing in low speed wind tunnels
CS Allen, WK Blake, RP Dougherty, D Lynch… - Aeroacoustic …, 2002 - Springer
Abstract This chapter on Aeroacoustic Phased Array Testing in Low Speed Wind Tunnels
provides comprehensive coverage of practical aspects for successfully deploying acoustic …
provides comprehensive coverage of practical aspects for successfully deploying acoustic …
Aeroacoustic experiments in the NASA Langley low-turbulence pressure tunnel
MM Choudhari, DP Lockard, MG Macaraeg, BA Singer… - 2002 - ntrs.nasa.gov
A phased microphone array was used in the NASA Langley Low-Turbulence Pressure
Tunnel to obtain acoustic data radiating from high-lift wing configurations. The data included …
Tunnel to obtain acoustic data radiating from high-lift wing configurations. The data included …
Experimental investigation on the effect of slat geometrical configurations on aerodynamic noise
Relatively few studies have addressed the slat noise dependence on gap, overlap and
deflection angle, although slat noise level and spectral content are topics of increasing …
deflection angle, although slat noise level and spectral content are topics of increasing …
Effect of three-dimensional shear-layer structures on slat cove unsteadiness
MM Choudhari, MR Khorrami - AIAA journal, 2007 - arc.aiaa.org
WITH the advent of quieter, ultrahigh-bypass-ratio engines, flow unsteadiness in the vicinity
of various airframe components has emerged as an important contributor to the noise …
of various airframe components has emerged as an important contributor to the noise …