Reference : Validating Blade Vibration Amplitudes from Blade Tip-Timing Data Analysis
Scientific congresses and symposiums : Paper published in a book
Engineering, computing & technology : Mechanical engineering
Engineering, computing & technology : Aerospace & aeronautics engineering
Validating Blade Vibration Amplitudes from Blade Tip-Timing Data Analysis
Gallego-Garrido, Jon [University of Manchester > School of Engineering > > >]
Dimitriadis, Grigorios mailto [Université de Liège - ULiège > Département d'aérospatiale et mécanique > Intéractions fluide structure et aérodynamique expérimentale >]
Vibrations in Rotating Machinery
Professional Engineering Publishing
IMechE Conference Transactions 2004-2
Bury St Edmonds
United Kingdom
8th International Conference on Vibrations in Rotating Machinery
du 7 septembre of 9 septembre 2004
The Institution of Mechanical Engineers
United Kingdom
[en] Blade Tip timing ; Rotating Machinery
[en] Blade Tip-Timing (BTT) is a method for the measurement of blade vibration in rotating bladed assemblies such as those found in turbomachinery. BTT data needs to be analysed by specially formulated methods, to yield the vibration frequencies and amplitudes. Although such methods have been shown to recover frequencies successfully, they have not been validated experimentally for amplitude recovery. In the present paper an improved experimental procedure for amplitude measurement is described. The paper presents a comparison between the experimental observation of the blade vibration amplitudes and the answers obtained from the BTT data analysis methods, providing experimental evidence of the ability of these methods to extract the correct blade vibration amplitudes from BTT data.
Researchers ; Professionals

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