We study the guided waves in a structure which consists of two overlapping steel plates, with the overlapping section grouted. This geometry is often encountered in support structures of large industrial offshore constructions, such as wind turbine monopiles. It has been recognized for some time that the guided wave technology offers distinctive advantages for the ultrasonic inspections and health monitoring of structures of this extent. It is demonstrated that there exist advantageous operational regimes of ultrasonic transducers guaranteeing a good inspection range, even when the structures are totally submerged in water, which is a consideration when the wind turbines are deployed off shore.
Guided waves in a monopile of an offshore wind turbine
Geführte Schallwellen in einem Einmast-Offshore-Windkraftwerk
Ultrasonics ; 51 , 1 ; 57-64
2011
8 Seiten, 12 Bilder, 15 Quellen
Article (Journal)
English
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