Gas-Turbine Engine Testing TRIZ Cases
- Aircraft Engine Blade Damage Detection via Tip Timing
Measuring blade-tip passage times with multiple sensors to calculate deflection and identify potential damage in aircraft engine mobile blades.
- Rotor Crack Detection Using Clearance Sensors
Segmented clearance sensors monitor lockwire tabs to locate cracks in high-temperature gas turbine rotors.
- Rotating Component Defect Detection via Clearance Signal Segmentation
A processing system analyzes clearance signals between a rotating component and stationary casing to identify defects using segmented signal windows.
- Gas Turbine Vane Embedded Optical Tip-Timing Probe
Embedded optical fibers in airfoils resolve aerodynamic disturbances and vibration from periscope probes while maintaining dual measurement capability.
- Turbine Test Rig Torque Arm Hydraulic Cylinder Yaw Force Compensation
Symmetrical hydraulic cylinders coupled via fluid hoses balance reaction torque to eliminate unwanted yaw forces that falsify turbine test results.
- Steerable Endoscope Cam Track for Turbine Inspection
Cam mechanisms maneuver the tool through tortuous spaces, eliminating manual blade removal and reducing inspection downtime.
- Turbomachine Test Vane Modular Insert System
Segmented vane design allows quick insert swaps, reducing assembly time and machining costs for turbine testing.
- APU Turbine Vane Fracture Detection via Start Time Deviation
Calculating start time deviation indices detects APU turbine vane fractures and rotor shaft jams before maintenance costs rise.
- Turbomachine Airflow Sampling System for Corrosion Monitoring
Extraction system isolates corrosive measurement from main inlet flow to prevent distortion waves and projectile hazards.
- Turbine Blade Angular Position Detection Without Phonic Wheel
Detecting turbine blade angular positions using prime-numbered rotor wheels and time interval calculations to identify individual blades.
- Heat Engine Monitoring via Confidence Band Extrapolation
A processing device establishes statistical confidence bands from historical heat engine data to detect operational deviations.
- As-Manufactured Blade Tip Timing Correlation via Optical Topography
Optical topography measurements feed as-manufactured finite element models to improve strain gauge correlation accuracy.
- Adaptive Vibration Data Averaging for Aircraft Displays
Dynamic averaging windows reduce recovery time by adjusting sample counts when vibration deltas exceed thresholds.
- Acoustic Bypass Airflow Measurement for Gas Turbine Thrust Control
A bypass airflow measurement system uses acoustic transmitters and receivers to determine average airflow velocity across the duct.
- Turbine Engine Health Check via Reduced Rotational Speed
Reduced rotational speed quantifies aircraft aerodynamic effects during health checks, ensuring accurate operating margins independent of external conditions.