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|Title:||Design of a low-noise aeroacoustic wind tunnel facility at Brunel University|
|Keywords:||Aeroacoustic wind tunnel;Airfoil noise study|
|Citation:||20th AIAA/CEAS Aeroacoustics Conference: June 2014|
|Abstract:||This paper represents the design principle of a quiet, low turbulence and moderately high speed aeroacoustic wind tunnel which was recently commissioned at Brunel University. A new hemi-anechoic chamber was purposely built to facilitate aeroacoustic measurements. The wind tunnel can achieve a maximum speed of about 80 ms-1. The turbulence intensity of the free jet in the potential core is between 0.1–0.2%. The noise characteristic of the aeroacoustic wind tunnel was validated by three case studies. All of which can demonstrate a very low background noise produced by the bare jet in comparison to the noise radiated from the cylinder rod/flat plate/airfoil in the air stream.|
|Appears in Collections:||Dept of Mechanical Aerospace and Civil Engineering Research Papers|
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