Aeroacoustic design and characterization of the 3D-printed, open-jet, anechoic wind tunnel of Delft University of Technology

Roberto Merino-Martínez; Alejandro Rubio Carpio; Lourenço Tércio Lima Pereira; Steve van Herk; Francesco Avallone; Daniele Ragni; Marios Kotsonis

doi:10.1016/j.apacoust.2020.107504

Aeroacoustic design and characterization of the 3D-printed, open-jet, anechoic wind tunnel of Delft University of Technology

Roberto Merino-Martínez^*, Alejandro Rubio Carpio, Lourenço Tércio Lima Pereira, Steve van Herk, Francesco Avallone, Daniele Ragni, Marios Kotsonis

^*Corresponding author for this work

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Abstract

The newly refurbished vertical tunnel (V-tunnel) at Delft University of Technology has been redesigned as a state-of-the-art facility for research in aeroacoustics (A-tunnel), as well as fundamental studies in laminar-turbulent transition and flow control. This manuscript focuses on the design and refurbishment aspects of the facility, including a description of the main modifications in the supporting structures and the drive system of the fan, with details of the flow conditioning and anechoic performance. A rigorous aeroacoustic and aerodynamic characterization of the facility is also presented, benchmarking the flow quality and acoustic performance of the new wind tunnel with respect to other aeroacoustic facilities across the world.

Original language	English
Article number	107504
Number of pages	16
Journal	Applied Acoustics
Volume	170
DOIs	https://doi.org/10.1016/j.apacoust.2020.107504
Publication status	Published - 15 Dec 2020

Keywords

Acoustic characterization
Aeroacoustic wind tunnel
Flow characterization
Microphone array

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10.1016/j.apacoust.2020.107504

1-s2.0-S0003682X20306083-mainFinal published version, 2.87 MBLicence: CC BY

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title = "Aeroacoustic design and characterization of the 3D-printed, open-jet, anechoic wind tunnel of Delft University of Technology",

abstract = "The newly refurbished vertical tunnel (V-tunnel) at Delft University of Technology has been redesigned as a state-of-the-art facility for research in aeroacoustics (A-tunnel), as well as fundamental studies in laminar-turbulent transition and flow control. This manuscript focuses on the design and refurbishment aspects of the facility, including a description of the main modifications in the supporting structures and the drive system of the fan, with details of the flow conditioning and anechoic performance. A rigorous aeroacoustic and aerodynamic characterization of the facility is also presented, benchmarking the flow quality and acoustic performance of the new wind tunnel with respect to other aeroacoustic facilities across the world.",

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AU - Merino-Martínez, Roberto

AU - Rubio Carpio, Alejandro

AU - Lima Pereira, Lourenço Tércio

AU - van Herk, Steve

AU - Avallone, Francesco

AU - Ragni, Daniele

AU - Kotsonis, Marios

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KW - Flow characterization

KW - Microphone array

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Aeroacoustic design and characterization of the 3D-printed, open-jet, anechoic wind tunnel of Delft University of Technology

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Keywords

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