Identification of acoustical sources inside the duct could significantly guide the low-noise
design of turbine engines. Current methods of inner duct source identification are executed …

This article discusses aeroacoustic imaging methods based on correlation measurements in
the frequency domain. Standard methods in this field assume that the estimated correlation …

In our contribution, we examine the use of Neuronal Networks for beamforming in the
frequency domain. While conventional beamformers and deconvolution algorithms are often …

The interaction between two contra-rotating co-axial propellers leads to variations in noise
strength during the rotation and presents challenges for traditional acoustic measurement …

Flow-induced noise is widely encountered in engineering domains, and noise source
localization is the first step to understand the generation mechanisms. A large part of …

This paper investigates using an Iterated Bayesian Focusing Algorithm and out-duct array
measurements to identify multiple broadband sources placed in a cylindrical duct. The …

This paper presents an alternative energy function for global optimization (GO)
beamforming, tailored to acoustic broadband sources. Given that properties, such as the …

Sound propagation in closed test section wind tunnels suffers from reflections and
diffraction, which compromise acoustic measurements. In this article, it is proved possible to …

The localization of rotating sound sources using beamforming methods is of interest, for
example, in the development of low-noise fans. There are various rotating beamforming …

In light of the growing market of urban air mobility, it is crucial to accurately detect the
stationary or moving noise sources within the complex scattering environments caused by …