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On the detection of natural frequencies and mode shapes of submerged rotating disk-like structures from the casing

Autor
Presas, A.; Valentin, D.; Egusquiza, E.; Valero, M.; Seidel, U.
Tipus d'activitat
Article en revista
Revista
Mechanical systems and signal processing
Data de publicació
2015-08
Volum
60-61
Pàgina inicial
547
Pàgina final
570
DOI
https://doi.org/10.1016/j.ymssp.2015.01.013 Obrir en finestra nova
Repositori
http://hdl.handle.net/2117/85872 Obrir en finestra nova
Resum
To avoid resonance problems in rotating turbomachinery components such as impellers, it is of paramount importance to determine the natural frequencies of these parts when they are under operation. Nevertheless, most of these rotating structures are inaccessible and in some cases submerged and confined. To measure the natural frequencies of submerged impellers from the rotating frame is complicated, because sensors have to be well fixed, withstand with large pressure and centrifugal forces. Furt...
Citació
Presas, A., Valentin, D., Egusquiza, E., Valero, M., Seidel, U. On the detection of natural frequencies and mode shapes of submerged rotating disk-like structures from the casing. "Mechanical systems and signal processing", Agost 2015, vol. 60-61, p. 547-570.
Paraules clau
Hydraulic machinery, Natural frequencies detection, PZT, Rotating disk, Submerged structure
Grup de recerca
CDIF - Centre de Diagnòstic Industrial i Fluidodinàmica
FLUIDS - Enginyeria de Fluids

Participants

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