Article (Scientific journals)
A Class of Methods for the Analysis of Blade Tip Timing Data from Bladed Assemblies Undergoing Simultaneous Resonances—Part II: Experimental Validation
Gallego-Garrido, Jon; Dimitriadis, Grigorios; Carrington, Ian B. et al.
2007In International Journal of Rotating Machinery, 2007, p. 10
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Keywords :
Rotating Machinery; Blade Tip Timing
Abstract :
[en] Blade tip timing is a technique for the measurement of vibrations in rotating bladed assemblies. In Part I of this work a class of methods for the analysis of blade tip timing data from bladed assemblies undergoing two simultaneous synchronous resonances was developed. The approaches were demonstrated using data from a mathematical simulation of tip timing data. In Part II the methods are validated on an experimental test rig. First, the construction and characteristics of the rig will be discussed. Then, the performance of the analysis techniques when applied to data from the rig will be compared and analysed. It is shown that accurate frequency estimates are obtained by all the methods for both single and double resonances. Furthermore, the recovered frequencies are used to calculate the amplitudes of the blade tip responses. The presence of mistuning in the bladed assembly does not affect the performance of the new techniques.
Disciplines :
Mechanical engineering
Aerospace & aeronautics engineering
Author, co-author :
Gallego-Garrido, Jon;  Rolls-Royce PLC > Experimental Vibrations
Dimitriadis, Grigorios ;  Université de Liège - ULiège > Département d'aérospatiale et mécanique > Intéractions fluide structure et aérodynamique expérimentale
Carrington, Ian B.;  University of Manchester > School of Mechanical, Aerospace and Civil Engineering
Wright, Ian;  University of Manchester > School of Mechanical, Aerospace and Civil Engineering
Language :
English
Title :
A Class of Methods for the Analysis of Blade Tip Timing Data from Bladed Assemblies Undergoing Simultaneous Resonances—Part II: Experimental Validation
Publication date :
2007
Journal title :
International Journal of Rotating Machinery
ISSN :
1023-621X
eISSN :
1542-3034
Publisher :
Hindawi Publishing Corporation
Volume :
2007
Pages :
10 p.
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 19 December 2008

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