Sensors & Electronics
Macro Property Measurement
Non-Contact Valve Seat Inspection (110)
Acceptable valve without critical scratches
Problem: Provide non-contact method to detect defects in valve seats that would effect valve performance
Project Activity Scope (from Technical Overview Chart): Measurement and Analysis Method Development through Measurement & Analysis System Applications
PNNL Solution:
- Employed fiber-optic borescope system to inspect interior surface of valve housings for scratch defects
- Designed illumination system to provide optimal defect detection
- Used video image enhancement to improve critical scratch detection
- Successfully demonstrated method
Reject valve with critical scratch defectCapabilities Employed to Meet Client Needs: Optical system design; lighting techniques; digital image acquisition equipment; fiber-optic borescope applications; video image processing techniques including evaluation of alternative defect detection algorithms; mechanical design; testing methodology and data analysis; system fabrication and assembly; computer interface design.
Selected Links to Related Information:
- Similar Technology Examples (Same or Different Application)
Contact: Tim Peters
