Description
Areas of application
- Non-contact vibration excitation: Acoustic excitation in turbomachinery test rigs.
- Experimental aeroelastic investigations: Analysis of flutter behavior and vibration characteristics.
- Blade vibration excitation with piezo actuators: controllable excitation during operation.
Functionality and advantages
- Acoustic blade vibration excitation:
- Non-contact excitation of the blades to avoid influence on vibration characteristics.
- High flexibility in excitation frequency, intensity and vibration modes.
- Combination with optical tip timing for precise measurements.
- Piezo actuators:
- Electrical excitation via slip rings to control the first bending mode.
- Variable excitation intensity and frequency for detailed analysis.
Technical details
- Acoustic excitation:
- High flexibility and non-contact vibration excitation.
- Combination with optical measuring systems for a completely non-contact environment.
- Piezo actuators:
- Power supply for precise control of frequency and intensity.
- Suitable for use in low-speed axial vibrators (NGAV).
