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Lesson learnt from mathematical modeling of primary circuit of VVER 440/213 reactors

Citace: [] PEČÍNKA, L., DUPAL, J., ZEMAN, V., SADÍLEK, J., ZHANALOVÁ, J. Lesson learnt from mathematical modeling of primary circuit of VVER 440/213 reactors. Progress in Nuclear Energy, 2003, č. č. 1-4 (sp, s. 167-175.
Druh: ČLÁNEK
Jazyk publikace: eng
Anglický název: Lesson learnt from mathematical modeling of primary circuit of VVER 440/213 reactors
Rok vydání: 2003
Autoři: Ladislav Pečínka , Jan Dupal , Vladimír Zeman , J. Sadílek , J. Zhanalová
Abstrakt EN: For the analysis of flow induced vibrations of a VVER 440/213 unit, a generalised model has been developed which consists of the reactor as a lumped mass model with 77 degrees of freedom. Linking of the loops to the reactor pressure vessel is modelled using translational and rotational stiffnesses. Main results obtained: eigenfrequencies and mode shapes of the whole system and dynamic response of the whole system generated by the main circulating pump pressure pulsations.
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