Articles | Volume 6, issue 2
Wind Energ. Sci., 6, 367–376, 2021
https://doi.org/10.5194/wes-6-367-2021

Special issue: Wind Energy Science Conference 2019

Wind Energ. Sci., 6, 367–376, 2021
https://doi.org/10.5194/wes-6-367-2021
Research article
05 Mar 2021
Research article | 05 Mar 2021

Condition monitoring of roller bearings using acoustic emission

Daniel Cornel et al.

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Cited articles

Al-Ghamd, A. M. and Mba, D.: A comparative experimental study on the use of acoustic emission and vibration analysis for bearing defect identification and estimation of defect size, Mech. Syst. and Signal Pr., 20, 1537–1571, https://doi.org/10.1016/j.ymssp.2004.10.013, 2006. 
Barteldes, S., Walther, F., and Holweger, W.: Wälzlagerdiagnose und Detektion von WEC mit Barkhausen-Rauschen und Hochfrequenz-Impuls-Messung, https://doi.org/10.13140/2.1.3910.3047, 2014. 
Bongardt, C.: Wälzlagergraufleckigkeit, Dissertation, Verlagsgruppe Mainz GmbH, Aachen, ISBN 978-3-95886-089-6, 2015. 
Bruzelius, K. and Mba, D.: An initial investigation on the potential applicability of Acoustic Emission to rail track fault detection, NDT&E Int., 37, 507–516, https://doi.org/10.1016/j.ndteint.2004.02.001, 2004. 
Caesarendra, W., Kosasih, B., Tieu, A. K., Zhu, H., Moodie, C. A. S., and Zhu, Q.: Acoustic emission-based condition monitoring methods: Review and application for low speed slew bearing, Mech. Syst. Signal Pr., 72–73, 134–159, https://doi.org/10.1016/j.ymssp.2015.10.020, 2016. 
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Short summary
Roller bearing failures in wind turbines' gearboxes lead to long downtimes and high repair costs. This paper should form a basis for the implementation of a predictive maintenance system. Therefore an acoustic-emission-based condition monitoring system is applied to roller bearing test rigs. The system has shown that a damaged surface can be detected at least ~ 4 % (8 h, regarding the time to failure) and possibly up to ~ 50 % (130 h) earlier than by using the vibration-based system.