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Reliability Evaluation of Constant Pressure Mechanism on Phased Array Ultrasonic Testing for Wind Turbine Blade  

Nam, Mun Ho (Samyong Inspection Engineering co., LTD)
Chi, Su Chung (Samyong Inspection Engineering co., LTD)
Lim, Sun (Department of Engineering, Korea Electronic Technology Institute)
Lim, Seung Hwan (Department of Engineering, Korea Electronic Technology Institute)
Jeong, Ye Chan (Department of Engineering, Korea Electronic Technology Institute)
Publication Information
Journal of Applied Reliability / v.17, no.3, 2017 , pp. 236-245 More about this Journal
Abstract
Purpose: There is no established inspection system for composite wind blade during the fabrication stage even though the blades are one of the most important part at wind generation system, but phased array ultrasonic testing method has been continuously studied about wind turbine blade with composite. When wind turbine blade with complex shape by phased array probe is inspected, it is necessary to study for system keeping constant pressure using pressure device. Methods: In this paper, we propose constant pressure device for inspecting wind turbine blade by phased array ultrasonic test method. Design of the device controller is based on Hunt-Crossley model. We evaluate reliability of phased array ultrasonic inspection result that applicated constant pressure device. Result: Defect indication is precise and its error is small when constant pressure mechanism based on Hunt-Crossley model was used. Conclusion: When inspection is progressed using constant pressure mechanism, the reliability of composite wind blade inspection can be improved.
Keywords
Phased Array Ultrasonic Testing; Wind Turbine Blades; Composite; Hunt-Crossley Model; Inspection; Reliability Evaluation; Constant Pressure;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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