A spectral simulation approach to evaluate probabilistic measurement precision of a reactor coolant pump torsional vibration shaft crack monitoring system

A prototype torsional vibration monitoring system has been installed on two reactor coolant pumps at Tennessee Valley Authority Sequoyah Power Plant Unit 1 nuclear reactor for shaft crack monitoring. The system uses a change in torsional natural frequencies as a diagnostic feature since as a crack g...

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Veröffentlicht in:	Journal of sound and vibration 2008-03, Vol.310 (4), p.1036-1056
Hauptverfasser:	Trethewey, Martin W., Friell, Joshua C., Jeya Chandra, M., Lebold, Mitchell S.
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Energy Energy. Thermal use of fuels Exact sciences and technology Fission nuclear power plants Fracture mechanics (crack, fatigue, damage...) Fundamental areas of phenomenology (including applications) Installations for energy generation and conversion: thermal and electrical energy Physics Solid mechanics Structural and continuum mechanics Vibration, mechanical wave, dynamic stability (aeroelasticity, vibration control...)
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