"New metasurface model shows potential to control acoustic wave reflection." ScienceDaily. www.sciencedaily.com / releases / 2018 / 04 / 180403120011.htm (accessed April 5, 2026).
The Impedance Tube is a 4m long, with a 50.4mm x 50.4mm square cross-section. The setup can be used both with or without airflow. A 3m long diffusing section can be added to the facility to reduce air ...
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