Acoustic Emission for the detection of shaft-to-seal rubbing in large power generation turbines
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1662-8985
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Leahy M, Mba D, Cooper P, et al., (2006) Acoustic Emission for the detection of shaft-to-seal rubbing in large power generation turbines. Advanced Materials Research, Volume 13-14, 2006, pp. 433-438
Abstract
An empirical investigation is undertaken in order to assess the potential of the AE technique for the detection of seal-to-rotor rubbing in steam turbines. Rubbing was induced at various axial locations along a 4 ½ tonne test rotor, rotating at 3000 rpm and supported by 7” (178mm) journal bearings. This paper examines the capabilities of bearing mounted AE transducers for the detection of seal-torotor rubbi
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Proceedings of the 27th European Conference on Acoustic Emission Testing (EWGAE 2006), 20-22 September 2006, Cardiff, Wales, UK
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Keywords
Acoustic emissions, condition monitoring, seal rubbing