Piezoelectric-Based Vibration Reduction of Turbomachinery Bladed Disks via Resonance Frequency Detuning

Piezoelectric-based resonance frequency detuning can alleviate unwanted vibration of turbomachinery blades, thus reducing the dangers of high-cycle fatigue while also decreasing the blade weight. This semiactive approach applies to structures that are subjected to frequency-sweep excitation and invo...

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Veröffentlicht in:	AIAA journal 2012-05, Vol.50 (5), p.1137-1144
Hauptverfasser:	Kauffman, Jeffrey L, Lesieutre, George A
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Blades Boundary conditions Continuous cycle engines: steam and gas turbines, jet engines Coupling coefficients Engines and turbines Exact sciences and technology Excitation Fracture mechanics (crack, fatigue, damage...) Frequencies Fundamental areas of phenomenology (including applications) Mechanical engineering. Machine design Modal damping Physics Reduction Solid mechanics Structural and continuum mechanics Switches Turbomachinery Vibration Vibration, mechanical wave, dynamic stability (aeroelasticity, vibration control...)
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