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Vibration measurements in PWR obrigheim by use of in-core accelerometers |
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| Authors: | E. Laggiard J. Fiedler J. Runkel H. Starke D. Stegemann B. Lukas D. Sommer |
| Affiliation: | * Gerencia de Ingeniería, Comisíon Nacional de Energía Atómica, CNEA, Buenos Aires, Argentina † Institute of Nuclear Engineering and Nondestructive Testing, IKPH, University of Hannover, Germany ‡ Nuclear Power Plant Obrigheim, KWO, Germany |
| Abstract: | Two accelerometers were inserted into the reactor of the NPP Obrigheim (Germany), one into the core and the other above the core. The amplitude of different components vibrations (fuel element (FE), reactor pressure vessel-core barrel (RPV/CB) and the instrument string-instrument tube (IS/IT) system) were measured. Neutron-mechanical scale factors (SFs) were calculated for the in-core detectors. |
| Keywords: | Reactor noise in-core accelerometer scale factors vibration amplitude |
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