An equivalent-source model for simulating noise generation in turbofan engines

C Polacsek, G Desquesnes, G Reboul - Journal of Sound and Vibration, 2009 - Elsevier
Nowadays, computational aeroacoustics (CAA) is used for simulating wave propagation in
ducted turbofans, especially as computational fluid dynamics (CFD) is increasingly …

[PDF][PDF] Acoustic formulations for aeronautical and naval rotorcraft noise prediction based on the Ffowcs Williams and Hawkings equation

C Testa - 2008 - arcadia.sba.uniroma3.it
Noise requirements will be key design drivers in the development of the new generations of
propeller-driven aircraft, helicopters and ships. Therefore aeroacoustics and hydroacoustics …

[PDF][PDF] Applications of AUSM+ scheme on subsonic, supersonic and hypersonic flows fields

MY Younis, MA Sohail, T Rahman… - World Academy Of …, 2011 - researchgate.net
The performance of Advection Upstream Splitting Method AUSM schemes are evaluated
against experimental flow fields at different Mach numbers and results are compared with …

Thrust augmentation through after-burning in scramjet nozzles

MJ Candon, H Ogawa… - Advances in aircraft and …, 2015 - techno-press.org
Scramjets are a class of hypersonic airbreathing engine that are associated with realizing
the technology required for economical, reliable access-to-space and high-speed …

Computational analysis of tonal noise generated high-bypass ratio fan stage

AM Sipatov, MV Usanin… - … Expo: Power for …, 2005 - asmedigitalcollection.asme.org
The paper shows the procedure of estimating different fan stage geometries from the point of
the fan stage aerodynamic and acoustic efficiency by using CFX v. 5.6 gas dynamics …

Noise from high-lift leading-edge device

B Rakhshani, A Filippone - 24th AIAA Applied Aerodynamics …, 2006 - arc.aiaa.org
Noise generation from the leading edge system of the aircraft is based on features of the
flow in the slat region. Unsteady flow near the slat excites the flow field including …

Direct aeroacoustic modelling of grazing flow over porous duct liner with CE/SE method

R Hou - 2020 - theses.lib.polyu.edu.hk
There is increasing need for reducing aeroacoustic noise in various industrial applications
carrying unsteady flows such as power plants, heating ventilation and air-conditioning …

Slat aerodynamics and aeroacoustics with flow control

AK Wells - 2007 - eprints.soton.ac.uk
This study primarily investigated the flow and aeroacoustics associated with the slat of a
three-element aerofoil in approach conditions. The study assessed importance of several …

[PDF][PDF] Анализ акустических характеристик вентиляторной ступени авиационного двигателя

АМ Сипатов, НО Чухланцева, МВ Усанин - … системы в производстве, 2007 - old.istu.ru
Представлен подробный анализ различных вариантов геометрии вентиляторной
ступени с точки зрения ее аэродинамических и акустических характеристик. Все …

The Advection Upstream Splitting Method has many features. The main features are: accurate capturing of shock and contact discontinuities entropy-satisfying solution …

SK Godunov - hellenicaworld.com
AUSM AUSM ART AUSM stands for Advection Upstream Splitting Method. It is developed as a
numerical inviscid flux function for solving a general system of conservation equations. It is …