Journal of Sensors and Sensor Systems
Journal of Sensors and Sensor Systems
JSSS
Articles | Volume 7, issue 1
Articles | Volume 7, issue 1
https://doi.org/10.5194/jsss-7-113-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/jsss-7-113-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 3.0 License.
Articles | Volume 7, issue 1
Regular research article
 | 
01 Mar 2018
Regular research article |  | 01 Mar 2018

Aeroacoustic analysis using natural Helmholtz–Hodge decomposition

Daniel Haufe, Johannes Gürtler, Anita Schulz, Friedrich Bake, Lars Enghardt, and Jürgen Czarske

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Latest update: 29 Oct 2025
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Short summary
The analysis of aeroacoustic phenomena is crucial for deeper understanding of the damping mechanisms of a sound-absorbing bias flow liner. Simultaneous three-component velocity measurements of the superposed sound field and the flow field in a 3-D region of interest with over 4000 measurement points are presented. The natural Helmholtz–Hodge decomposition is applied to separate both fields from the measured velocity field in the spatial domain. This reveals new insight into the aerodynamic flow.
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