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Aero and vibroacoustical prediction of the noise generated by turbulent boundary layers
KTH, School of Engineering Sciences (SCI), Aeronautical and Vehicle Engineering, Marcus Wallenberg Laboratory MWL.
2019 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

Flow noise is a major noise source in the transportation industry from the automotive up to the aircraft industry. The characterization of the aerodynamic excitations and of the structure transmission is of primary interest in order to improve the passenger and crew comfort. One important component of the flow noise excitation comes from the wall pressure fluctuations induced by the development of turbulent boundary layers around the vehicle.

This master thesis is focused on the validation of a method to calculate structural vibrations based on aerodynamic data by the comparison with experimental data. The analysis will be done with a flat plate configuration in a wind tunnel. The strategy yields good results and it has been validated: it could be used for more complex problems.

Place, publisher, year, edition, pages
2019. , p. 73
Series
TRITA-SCI-GRU ; 2019:020
National Category
Vehicle Engineering
Identifiers
URN: urn:nbn:se:kth:diva-261180OAI: oai:DiVA.org:kth-261180DiVA, id: diva2:1356948
External cooperation
VibraTec
Examiners
Available from: 2019-10-02 Created: 2019-10-02 Last updated: 2019-10-03Bibliographically approved

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CiteExportLink to record
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