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An open-source implementation of analytical turbulence-airfoil interaction noise model

An open-source implementation of analytical turbulence-airfoil interaction noise model
An open-source implementation of analytical turbulence-airfoil interaction noise model
An open-source implementation of the Amiet model for turbulence-airfoil interaction noise implemented in Python programming language is presented. The proposed implementation, named amiet_tools, allows the user to calculate the unsteady surface pressure jump and the radiated acoustic pressure due to a single or multiple turbulent gusts interacting with a flat plate airfoil. Secondary effects such as the acoustic near-field, finite-span effects, subcritical gusts contribution, and sound refraction at a planar shear layer are available for simulating a realistic open-jet wind tunnel test setup. Prediction results are presented and compared to measured acoustic pressures obtained in an open-jet wind tunnel with a planar spiral microphone array, and good agreement is obtained over a wide range of frequencies. A link for downloading the package codes and sample experimental data is included. It is expected the proposed implementation can be adopted as a quick benchmark for more advanced analytical airfoil noise models and experimental measurements.
Casagrande Hirono, Fabio
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Joseph, Phillip
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Fazi, Filippo
e5aefc08-ab45-47c1-ad69-c3f12d07d807
Casagrande Hirono, Fabio
ef8c2e33-96ec-467b-874d-74f0f9bb5f09
Joseph, Phillip
9c30491e-8464-4c9a-8723-2abc62bdf75d
Fazi, Filippo
e5aefc08-ab45-47c1-ad69-c3f12d07d807

Casagrande Hirono, Fabio, Joseph, Phillip and Fazi, Filippo (2020) An open-source implementation of analytical turbulence-airfoil interaction noise model. AIAA 2020 Aviation Forum, ,. 15 - 19 Jun 2020. 21 pp . (doi:10.2514/6.2020-2544).

Record type: Conference or Workshop Item (Paper)

Abstract

An open-source implementation of the Amiet model for turbulence-airfoil interaction noise implemented in Python programming language is presented. The proposed implementation, named amiet_tools, allows the user to calculate the unsteady surface pressure jump and the radiated acoustic pressure due to a single or multiple turbulent gusts interacting with a flat plate airfoil. Secondary effects such as the acoustic near-field, finite-span effects, subcritical gusts contribution, and sound refraction at a planar shear layer are available for simulating a realistic open-jet wind tunnel test setup. Prediction results are presented and compared to measured acoustic pressures obtained in an open-jet wind tunnel with a planar spiral microphone array, and good agreement is obtained over a wide range of frequencies. A link for downloading the package codes and sample experimental data is included. It is expected the proposed implementation can be adopted as a quick benchmark for more advanced analytical airfoil noise models and experimental measurements.

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Hirono_Joseph_Fazi_ Open-Source Implementation of Airfoil Noise
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Published date: 15 June 2020
Venue - Dates: AIAA 2020 Aviation Forum, ,, 2020-06-15 - 2020-06-19

Identifiers

Local EPrints ID: 441573
URI: http://eprints.soton.ac.uk/id/eprint/441573
PURE UUID: c638732f-d5ff-4211-bf35-b4575519941f
ORCID for Fabio Casagrande Hirono: ORCID iD orcid.org/0000-0003-4167-6720

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Date deposited: 18 Jun 2020 16:30
Last modified: 05 Nov 2020 17:33

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