Acoustic Emission for the Detection of Shaft-to-Seal Rubbing in Large Power Generation Turbines

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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-to-rotor rubbing.

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Periodical:

Advanced Materials Research (Volumes 13-14)

Pages:

433-438

Citation:

Online since:

February 2006

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