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Macro Property Measurement

Remote NDE Inspection of Steel Tanks (355)

Ultrasonic SAFT Scanning Bridge photo/graphic

Problem: Need remote inspection method to detect flaws in hard to reach areas of process and storage tasks.

Project Activity Scope (from Technical Overview Chart): Measurement and Analysis Method Development through Integrated Systems

PNNL Solution:

  • Develop portable measurement technology based on laboratory SAFT methodology
  • Tailored to inspect tank walls several feet from the transducer and in curved tank areas such as the knuckle
  • System deployed on tank side-wall detects cracks in curved knuckle region and beyond

Capabilities Employed to Meet Client Needs: Ultrasonic applications for long range inspections; Synthetic Aperture Focusing Technique (SAFT) applications in sizing flaws at a distance; C++ programming applications; signal processing and analysis.

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Contact: Al Pardini

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