Article Periodicals » Materials Evaluation » Article
Nondestructive Testing of Wind Turbine Blades using Air-coupled Ultrasonics

This paper presents the design of field implementable ultrasonic system for nondestructive testing of wind turbine blades using air coupled ultrasonic transducers, which makes this a noncontact inspection. This work focuses on inspecting the trailing edge of a wind turbine blade for fiber waviness and characterizing the trailing edge bondline. Rayleigh wave was used for detection, characterization of out-of-plane waviness or marcels. Inspection and characterization of the adhesive bondline at the trailing edge was performed using air coupled transducers in through transmission mode. The current work isolates a section of the blade where manufacturing discontinuities and in-service flaws are likely to occur and this information is used to specifically to design the field setup. This also decreases the inspection time per blade. A field implementable trailing edge scanner was designed that could be mounted on the trailing edge of the blade and moved along the length of the blade for the inspection.

Usage Shares
Total Views
55 Page Views
Total Shares
0 Tweets
0 PDF Downloads
0 Facebook Shares
Total Usage