Description
Areas of application
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Aeroacoustics: Investigation of aeroacoustic generation and transport mechanisms
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Silencers and liners: Testing and optimization of tubular silencers and liner units
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Measurement technology: Optimization of acoustic and aerodynamic measurement technology and sensors
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Numerical validation: Validation of numerical calculation procedures and measurement methods such as RMA and beamforming
Main research areas
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Sound transport mechanisms: Research into sound transport mechanisms in pipelines and turbomachinery
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Sound fields: Generation of synthetic sound fields using an integrated sound generator unit
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Mode analysis: Analysis of mode structures and transport mechanisms at various measurement positions
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Numerical calculation: Use of the AWT as a validation platform for methods such as computational aeroacoustics (CAA)
Measurement technology used
Pressure measurement technology: Steady and unsteady measurement systems
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Microphones: High-precision pressure field microphones for acoustic analysis
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Flow analysis: CTA/CCA probes for velocity and turbulence measurements
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PIV: Endoscopic 3-component Particle Image Velocimetry for flow field measurement
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Traversing units: Radial and circumferential traversing units for high-resolution acoustic measurements
Specifications
| Mass Flow Rate | 9,2 kg/s |
| Pressure Ratio | 3,2 |
| Diameter Test Section | 0,5 m |
| Range in Reynolds Number | 3,1x105 bis 1,2x106 |
| Homogeneous, swirl-free inflow conditions | |
| Low background noise | |
| Acoustic excitation system with 16 azimuthally distributed speakers | |
