Product Info

Blade Vibration Test Rig

This example shows challenging instrumentation developed to investigate turbine blade vibrations and temperature during blade rub.

The project involved design and instrumentation of several blades with micro miniature thermocouple measuring blade tip temperature and series of strain gauges measuring modal shapes of blade vibrations following instantaneous mechanical contact with the outer housing. The system is equipped with a five-channel high speed rotary amplifier and miniature slip ring capsule allowing operation to 14,000 rpm.