Design For In-Line Pipe Inspection Using Ultrasonic Guided Waves

Open Access
Lindsey, Matthew Scott
Graduate Program:
Mechanical Engineering
Master of Science
Document Type:
Master Thesis
Date of Defense:
Committee Members:
  • Dr Joseph Rose, Thesis Advisor
  • Joseph Lawrence Rose, Thesis Advisor
  • Jack Brenizer Jr., Thesis Advisor
  • design
  • pipe inspection
  • guided waves
  • ultrasonic
Inline pipe inspection tools and techniques can richly utilize Ultrasonic Guided Wave technology. This technology could also be used to supplement other in line inspection devices currently in use. Different applications and types of defect detection will be explored. This was done by experimentation and the use of different sensor designs. The impact of different sensor designs for the inspection of deep gas storage well and gas distribution lines were explored. Results from the different sensors will be presented and analyzed. The technology and sensors developed were implemented into prototype designs of in line guided wave inspection tools. The designs were able to classify and size different defects using both circumferential and longitudinal direction guided waves. Circular pitting depth was estimated using pulse echo and through transmission type sensors. A result of different hardware designs, improved methods, and analysis techniques allowed the initial prototypes to successfully detect and size defects.