Метод оцінки критеріїв затоплення проммайданчика Запорізької АЕС у разі позапроектних землетрусів
Flooding of the NPP site because of a beyond design basis earthquake followed by a tsunami was one of the principal causes of the Fukushima Daiichi accident. The National Stress-Test Report of Ukraine indicates that such events are unlikely to occur at sites of Ukrainian NPPs. However, the methodolo...
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| Datum: | 2013 |
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| Hauptverfasser: | , , , , |
| Format: | Artikel |
| Sprache: | Ukrainian |
| Veröffentlicht: |
State Scientific and Technical Center for Nuclear and Radiation Safety
2013
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| Online Zugang: | https://nuclear-journal.com/index.php/journal/article/view/452 |
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| Назва журналу: | Nuclear and Radiation Safety |
Institution
Nuclear and Radiation Safety| Zusammenfassung: | Flooding of the NPP site because of a beyond design basis earthquake followed by a tsunami was one of the principal causes of the Fukushima Daiichi accident. The National Stress-Test Report of Ukraine indicates that such events are unlikely to occur at sites of Ukrainian NPPs. However, the methodology used in stress tests has been insufficiently proved as long as it considers quasistationary processes of propagation of a possible flooding wave.
The paper offers a hydrodynamic model of possible flooding of the Zaporizhzhya NPP site during beyond design basis earthquakes and tornadoes. Unlike the quasistationary approach of stress tests, the model takes into account the dynamic nature of flooding processes and direct effects of external hazards on the Kakhovka Reservoir.
The results of the hydrodynamic modeling are possible conditions and criteria of flooding for the Zaporizhzhya NPP site under external hazards. |
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