System can be utilized in flight or at flight line. It monitors disk rim for surface cracks emanating from blade root interface. System consists of eddy-current sensor, mounted approximately 1 1/2 mm (1/16 in) away from face of disk, and remotely located electrical capacitance-conductance bridge and signal analyzer.
In-service turbine wheel crack monitor
1975-04-01
Miscellaneous
No indication
English
Air Turbine Starter Turbine Wheel Containment
SAE Technical Papers | 1984
|Turbine engine imminent failure monitor
AIAA | 1998
|