Nonlinear Signatures in the Transient Dynamics of Turbo-Machinery

Nonlinear Signatures in the Transient Dynamics of Turbo-Machinery

The paper reports the process of discrimination between signatures due to four possible causes in turbo-generator dynamics. These four aspects, rotor dynamics, structural dynamics, electro dynamics and fluid dynamics, have different systematic effects in the time-frequency response of the structure...

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Veröffentlicht in:Key engineering materials 2003-01, Vol.245-246, p.279-288
Hauptverfasser: Roberts, S., Brandon, J.A.
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description The paper reports the process of discrimination between signatures due to four possible causes in turbo-generator dynamics. These four aspects, rotor dynamics, structural dynamics, electro dynamics and fluid dynamics, have different systematic effects in the time-frequency response of the structure which make it possible to resolve the effects by identifying coupled behaviour between frequency components, transducer types and transducer locations.
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