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Auralization of outdoor fan noise in shielded areas
RISE, SP – Sveriges Tekniska Forskningsinstitut.
RISE, SP – Sveriges Tekniska Forskningsinstitut.ORCID iD: 0000-0003-1095-3211
2016 (English)In: Proceedings of the INTER-NOISE 2016 - 45th International Congress and Exposition on Noise Control Engineering: Towards a Quieter Future, 2016, p. 2939-2949Conference paper, Published paper (Refereed)
Abstract [en]

In a situation where traffic, railway or aircraft noise sources are not present, as it happens in shielded areas, other sources might become relevant in terms of annoyance. This is the case of typical turbomachinery elements, such as fans, compressors or turbines, where sound is generated aerodynamically. As a part of the Sonorus project, where all noise sources in urban environments are considered, the goal of this research is to develop an auralization tool that generates a time domain signal depending on the fan working conditions and the propagation scenario. In this paper, a computational aero-acoustics solver is used to simulate the flow field generated by an axial fan, and the acoustic field is calculated using the Ffowcs-Williams and Hawkings method. The information contained in this acoustic field is used to generate an audio signal for auralization purposes. The model results are evaluated by comparisons with recordings and measurements.

Place, publisher, year, edition, pages
2016. p. 2939-2949
Keywords [en]
Aero-acoustics, Auralization, Fan noise, Quiet areas, Sound synthesis, Acoustic fields, Acoustic noise, Acoustic variables control, Aeroacoustics, Aerodynamics, Architectural acoustics, Computational aeroacoustics, Fans, Noise pollution, Aircraft noise, Auralizations, Model results, Time-domain signal, Urban environments, Audio acoustics
National Category
Natural Sciences
Identifiers
URN: urn:nbn:se:ri:diva-27613Scopus ID: 2-s2.0-84994609166ISBN: 9781510829886 (print)OAI: oai:DiVA.org:ri-27613DiVA, id: diva2:1059676
Conference
45th International Congress and Exposition on Noise Control Engineering: Towards a Quieter Future (INTER-NOISE 2016), August 21-24, 2016, Hamburg, Germany
Available from: 2016-12-22 Created: 2016-12-21 Last updated: 2020-12-01Bibliographically approved

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Larsson, Krister

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CiteExportLink to record
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Citation style
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  • de-DE
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