Our Facilities and Software
Learn about our facilities and tools.
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Rotor noise test platform
A rotor aerodynamic and aeroacoustic measurement platform is developed in AANTC to study the aerodynamics and aeroacoustic of the rotors. The rotor locations are accurately controlled by a high-resolu....
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Airfoil noise measurement platform
An airfoil noise measurement platform is developed in AANTC based on the anechoic wind tunnel. A microphone array with 56 microphone is used for sound source detection. The diameter is 0.7m and the fr....
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Phased Microphone Array
Phased microphone array is used in AANTC to detect the aerodynamic sound sources. The array contains 56 Brüel & Kjær microphones and different beamforming algorithms are available for data processing.....
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Spinning mode duct test rig
A duct mode detection facility is developed in AANTC to evaluate the noise reduction in engine ducts. It is also used for duct mode detection method. The rig has a diameter of 200 mm, the flow speed i....
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Impedance tubes
Different impedance tubes are used to measure the acoustic impedance of sound absorption materials. It can characterize the sound transmission loss and surface impedance as well. The working frequenci....
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Grazing flow tube
There are two flow tube facilities in AANTC to study the effects of grazing flows on acoustic liners. Impedance eduction methods are conducted for different types of sound absorption materials. The di....
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