Autor: Berg, H. P. - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Analysis of the impact of external flooding to nuclear installations
Autorzy:: Berg, H. P.
Fröhmel, T.
Winter, C.
Powiązania:: https://bibliotekanauki.pl/articles/2069618.pdf
Data publikacji:: 2007
Wydawca:: Uniwersytet Morski w Gdyni. Polskie Towarzystwo Bezpieczeństwa i Niezawodności
Tematy:: nuclear power plant
probabilistic safety analysis
external flooding
protection
tsunami
Opis:: The German regulatory body has issued probabilistic safety assessment guidelines, elaborated for a comprehensive integrated safety review of all NPP in operation and containing a newly developed graded approach for the probabilistic assessment of external flooding. Main aspects are explained such as the underlying probabilistic considerations and the mathematical procedures for the calculation of exceedance frequencies. Exemplarily it has been investigated if extreme events such as tsunami waves could be a hazard for NPP at coastal sites in Germany.
Źródło:: Journal of Polish Safety and Reliability Association; 2007, 1; 9--16
2084-5316
Pojawia się w:: Journal of Polish Safety and Reliability Association
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Methods for the treatment of common cause failures in redundant systems
Autorzy:: Berg, H. P.
Görtz, R.
Kesten, J.
Powiązania:: https://bibliotekanauki.pl/articles/2069575.pdf
Data publikacji:: 2007
Wydawca:: Uniwersytet Morski w Gdyni. Polskie Towarzystwo Bezpieczeństwa i Niezawodności
Tematy:: nuclear power plant
probabilistic safety assessment
simulation
common cause failure
modelling
Opis:: Dependent failures are extremely important in reliability analysis and must be given adequate treatment so as to minimize gross underestimation of reliability. German regulatory guidance documents for PSA stipulate that model parameters used for calculating frequencies should be derived from operating experience in a transparent manner. Progress has been made with the process oriented simulation (POS) model for common cause failure (CCF) quantification. A number of applications are presented for which results obtained from established CCF models are available, focusing on cases with high degree of redundancy and small numbers of observed events.
Źródło:: Journal of Polish Safety and Reliability Association; 2007, 1; 1--8
2084-5316
Pojawia się w:: Journal of Polish Safety and Reliability Association
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Proposal for estimating leak and break frequencies of piping systems in probabilistic safety assessment
Autorzy:: Berg, H.-P.
Gersinska, R.
Sievers, J.
Powiązania:: https://bibliotekanauki.pl/articles/2069698.pdf
Data publikacji:: 2009
Wydawca:: Uniwersytet Morski w Gdyni. Polskie Towarzystwo Bezpieczeństwa i Niezawodności
Tematy:: leak frequencies
break frequencies
probabilistic safety assessment
piping system
nuclear power plant
Opis:: The estimation of leak and break frequencies in piping systems is part of the probabilistic safety assessment of technical plants. In this paper, the statistical method based on the evaluation of the German operational experience for piping systems with different diameters is described because an earlier estimation has been updated and extended introducing new methodical aspects and data. Major point is the inclusion of structure reliability models based on fracture mechanics calculation procedures. As an example of application the statistical estimation method for leak and break frequencies of piping systems with a nominal diameter of 50 mm (the volume control system of a German pressurized water reactor) was updated. Moreover, the evaluation of the operational experience was extended to 341 years with respect to cracks, leaks and breaks in the volume control system of German pressurized water reactors (PWR). Using the actual data base, new calculations of leak and break frequencies have been performed and the results have been compared with the previous values.
Źródło:: Journal of Polish Safety and Reliability Association; 2009, 1; 33--42
2084-5316
Pojawia się w:: Journal of Polish Safety and Reliability Association
Dostawca treści:: Biblioteka Nauki

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