This article reviews the development and application of Computational AeroAcoustics (CAA)
to acoustic propagation on subsonic mean flows, with a particular focus on methods used to …

Noise generated by civil transport aircraft during take-off and approach-to-land phases of
operation is an environmental problem. The aircraft noise problem is firstly reviewed in this …

Novel techniques are presented to reduce noise from turbofan aircraft engines by optimising
the acoustic treatment in engine ducts. The application of Computational Aero-Acoustics …

R= outer radius of the engine's secondary exhaust T= acoustical source period Uexhaust o=
steady mean-field flow, in the exhaust vicinity Uairfoil o= steady mean-flow field, in the airfoil …

THE noise environment around airports is a major cause of concern worldwide, with many
local communities exposed to high levels of aircraft noise; the effective reduction of such a …

This article reviews the application of Computational Aero-Acoustics (CAA) to the prediction
of acoustic propagation in turbofan ducts. The challenge of resolving the radiated sound …

SINCE fan broadband noise is becoming a major source of annoyance in modern
aeroengines, prediction of this component is nowadays an important industrial need and …

Turbomachinery sources are important contributors to whole aircraft noise both at takeoff
and approach. The turbomachinery contribution contains both tone and broadband …

The Council of European Aerospace Societies (CEAS) Aeroacoustics Specialists Committee
(ASC) supports and promotes the interests of the scientific and industrial aeroacoustics …

The research presented in this thesis explores the prediction of noise propagation and
radiation in turbofan engine intakes and bypass ducts, and the optimisation of noise …