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Windtech International March April 2024 issue





Murat fig1Saving Blades Using their Acoustic Signature
It has recently been shown by the team at the University of Massachusetts Lowell that the acoustic signature generated by a turbine itself can be used to detect blade damage. This acoustics-based blade structural health monitoring approach will help minimise blade failures and lower the levelised cost of energy through a reduction in O&M costs. The proposed solution consists of low-cost, easy-to-implement acoustic sensors and a central data processing and wireless data transmission unit. The monitoring solution can be installed on both new and existing wind turbines.
By Murat Inalpolat, University of Massachusetts Lowell, USA


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