Improved Modelling and Assessment of the Performance of Firefighting Means in the Frame of a Fire PSA
An integrated deterministic and probabilistic safety analysis (IDPSA) was carried out to assess the performances of the firefighting means to be applied in a nuclear power plant. The tools used in the analysis are the code FDS (Fire Dynamics Simulator) for fire simulation and the tool MCDET (Monte C...
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| Format: | Article |
| Language: | English |
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Wiley
2015-01-01
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| Series: | Science and Technology of Nuclear Installations |
| Online Access: | http://dx.doi.org/10.1155/2015/238723 |
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| author | Martina Kloos Joerg Peschke |
| author_facet | Martina Kloos Joerg Peschke |
| author_sort | Martina Kloos |
| collection | DOAJ |
| description | An integrated deterministic and probabilistic safety analysis (IDPSA) was carried out to assess the performances of the firefighting means to be applied in a nuclear power plant. The tools used in the analysis are the code FDS (Fire Dynamics Simulator) for fire simulation and the tool MCDET (Monte Carlo Dynamic Event Tree) for handling epistemic and aleatory uncertainties. The combination of both tools allowed for an improved modelling of a fire interacting with firefighting means while epistemic uncertainties because lack of knowledge and aleatory uncertainties due to the stochastic aspects of the performances of the firefighting means are simultaneously taken into account. The MCDET-FDS simulations provided a huge spectrum of fire sequences each associated with a conditional occurrence probability at each point in time. These results were used to derive probabilities of damage states based on failure criteria considering high temperatures of safety related targets and critical exposure times. The influence of epistemic uncertainties on the resulting probabilities was quantified. The paper describes the steps of the IDPSA and presents a selection of results. Focus is laid on the consideration of epistemic and aleatory uncertainties. Insights and lessons learned from the analysis are discussed. |
| format | Article |
| id | doaj-art-51825a8e46624c4c88f141e9e2f8c10b |
| institution | Kabale University |
| issn | 1687-6075 1687-6083 |
| language | English |
| publishDate | 2015-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | Science and Technology of Nuclear Installations |
| spelling | doaj-art-51825a8e46624c4c88f141e9e2f8c10b2025-02-03T05:48:24ZengWileyScience and Technology of Nuclear Installations1687-60751687-60832015-01-01201510.1155/2015/238723238723Improved Modelling and Assessment of the Performance of Firefighting Means in the Frame of a Fire PSAMartina Kloos0Joerg Peschke1GRS gGmbH, Boltzmannstraße 14, 85748 Garching, GermanyGRS gGmbH, Boltzmannstraße 14, 85748 Garching, GermanyAn integrated deterministic and probabilistic safety analysis (IDPSA) was carried out to assess the performances of the firefighting means to be applied in a nuclear power plant. The tools used in the analysis are the code FDS (Fire Dynamics Simulator) for fire simulation and the tool MCDET (Monte Carlo Dynamic Event Tree) for handling epistemic and aleatory uncertainties. The combination of both tools allowed for an improved modelling of a fire interacting with firefighting means while epistemic uncertainties because lack of knowledge and aleatory uncertainties due to the stochastic aspects of the performances of the firefighting means are simultaneously taken into account. The MCDET-FDS simulations provided a huge spectrum of fire sequences each associated with a conditional occurrence probability at each point in time. These results were used to derive probabilities of damage states based on failure criteria considering high temperatures of safety related targets and critical exposure times. The influence of epistemic uncertainties on the resulting probabilities was quantified. The paper describes the steps of the IDPSA and presents a selection of results. Focus is laid on the consideration of epistemic and aleatory uncertainties. Insights and lessons learned from the analysis are discussed.http://dx.doi.org/10.1155/2015/238723 |
| spellingShingle | Martina Kloos Joerg Peschke Improved Modelling and Assessment of the Performance of Firefighting Means in the Frame of a Fire PSA Science and Technology of Nuclear Installations |
| title | Improved Modelling and Assessment of the Performance of Firefighting Means in the Frame of a Fire PSA |
| title_full | Improved Modelling and Assessment of the Performance of Firefighting Means in the Frame of a Fire PSA |
| title_fullStr | Improved Modelling and Assessment of the Performance of Firefighting Means in the Frame of a Fire PSA |
| title_full_unstemmed | Improved Modelling and Assessment of the Performance of Firefighting Means in the Frame of a Fire PSA |
| title_short | Improved Modelling and Assessment of the Performance of Firefighting Means in the Frame of a Fire PSA |
| title_sort | improved modelling and assessment of the performance of firefighting means in the frame of a fire psa |
| url | http://dx.doi.org/10.1155/2015/238723 |
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