The purpose of this paper is to show the capabilities of MicrodB's acoustic imagery algorithm to characterize rotating sources. First part will explain the main specificity of the treatment. In the second part, possibilities of analysis and validations on simple tests will be demonstrated. In the last part, an industrial application will be studied : a Technofan extract fan with a 10000 RPM rotational speed will be analysed. Both fixed and rotating sources will be separated, allowing the localization of rotating sources on the blades
A linear microphone array is shown to be a simple tool to locate aerodynamic sound sources on a hori...
This paper dealswith the experimental validation of an analytical trailing-edge noisemodel dedicated...
Sound radiated by a computer cooling fan consists of tones which are phase locked with the rotation,...
International audienceThe purpose of this paper is to show the capabilities of MicrodB's acoustic im...
This paper summarizes a case study example on the methodology used for phased array microphone measu...
The sound generated by rotating machines is a topic that is more and more considered. In fact, this ...
Axial fans operate in large numbers, often in the close vicinity of humans, therefore reducing their...
The localization and quantification of turbomachinery rotating sound sources is an important challen...
An Acoustic Camera was applied to examine modifications of fan blade designs regarding their noise e...
Characterising the aeroacoustic noise sources generated by a rotating wind turbine blade provides us...
With the objective to improve the understanding of the dominant fan noise source mechanisms a compre...
The aim of this paper is to present two acoustic beamforming methods developed for rotating sources,...
We describe a mechanical/acoustic study of a short-ducted axial flow fan. The purpose is to compare ...
This paper presents an experimental technique developed to assess the performance of a family of axi...
A time-domain beamforming method based on microphone array measurements is applied to identify the l...
A linear microphone array is shown to be a simple tool to locate aerodynamic sound sources on a hori...
This paper dealswith the experimental validation of an analytical trailing-edge noisemodel dedicated...
Sound radiated by a computer cooling fan consists of tones which are phase locked with the rotation,...
International audienceThe purpose of this paper is to show the capabilities of MicrodB's acoustic im...
This paper summarizes a case study example on the methodology used for phased array microphone measu...
The sound generated by rotating machines is a topic that is more and more considered. In fact, this ...
Axial fans operate in large numbers, often in the close vicinity of humans, therefore reducing their...
The localization and quantification of turbomachinery rotating sound sources is an important challen...
An Acoustic Camera was applied to examine modifications of fan blade designs regarding their noise e...
Characterising the aeroacoustic noise sources generated by a rotating wind turbine blade provides us...
With the objective to improve the understanding of the dominant fan noise source mechanisms a compre...
The aim of this paper is to present two acoustic beamforming methods developed for rotating sources,...
We describe a mechanical/acoustic study of a short-ducted axial flow fan. The purpose is to compare ...
This paper presents an experimental technique developed to assess the performance of a family of axi...
A time-domain beamforming method based on microphone array measurements is applied to identify the l...
A linear microphone array is shown to be a simple tool to locate aerodynamic sound sources on a hori...
This paper dealswith the experimental validation of an analytical trailing-edge noisemodel dedicated...
Sound radiated by a computer cooling fan consists of tones which are phase locked with the rotation,...
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