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Erschienen in:
Opening Lectures—Wall-Pressure Wavenumber-Frequency Spectra: Experimental Challenges and Recent Advances Kapitel lesen Erstes Kapitel lesen

2021 | OriginalPaper | Buchkapitel

A Comparison Between Different Wall Pressure Measurement Devices for the Separation and Analysis of TBL and Acoustic Contributions

verfasst von : Quentin Leclere, Alice Dinsenmeyer, Edouard Salze, Jerome Antoni

Erschienen in: Flinovia—Flow Induced Noise and Vibration Issues and Aspects-III

Verlag: Springer International Publishing

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Abstract

The wall pressure measured by an array of flush mounted microphones subject to a flow results from two components. The first one is due to the pressure fluctuations generated by vortices convected by the flow in the turbulent boundary layer developed on the wall, and the second one results from acoustic waves that are emitted by some acoustic sources. Different type of sensor arrays can be used to characterize the first or second components, or even both. In all cases, a major difficulty is to separate as well as possible their contributions to the measurements. Different techniques are reviewed in this chapter to achieve this goal, based on either the measurement device itself or the post processing method. All approaches are implemented in a unique experimental setup, conducted in the frame of the ADAPT Clean Sky 2 project, allowing to objectively highlight their advantages and drawbacks.

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Vorheriges Kapitel Wavenumber Characterization of Surface Pressure Fluctuations on the Fuselage During Cruise Flight
Nächstes Kapitel Flow Generated Noise Produced by a Blunt Edged Plate in a Water Tunnel
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Metadaten
Titel
A Comparison Between Different Wall Pressure Measurement Devices for the Separation and Analysis of TBL and Acoustic Contributions
verfasst von
Quentin Leclere
Alice Dinsenmeyer
Edouard Salze
Jerome Antoni
Copyright-Jahr
2021
Buch
Flinovia—Flow Induced Noise and Vibration Issues and Aspects-III

Print ISBN: 978-3-030-64806-0

Electronic ISBN: 978-3-030-64807-7

Copyright-Jahr: 2021

DOI
https://doi.org/10.1007/978-3-030-64807-7_9

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