Aeroacoustic design and characterization of the 3D-printed, open-jet, anechoic wind tunnel of Delft University of Technology
Roberto Merino-Martínez (TU Delft - Aerospace Engineering)
Alejandro Rubio Carpio (TU Delft - Aerospace Engineering)
Lourenço Tércio Lima Pereira (TU Delft - Aerospace Engineering)
Steve van Herk (TU Delft - EMSD policy / communications/ scientific development)
Francesco Avallone (TU Delft - Aerospace Engineering)
Daniele Ragni (TU Delft - Aerospace Engineering)
Marios Kotsonis (TU Delft - Aerospace Engineering)
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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.
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