Construction of a generic PSA model for Swedish BWRs
| dc.contributor.author | Hurtig, Roger | |
| dc.contributor.department | Chalmers tekniska högskola / Institutionen för teknisk fysik | sv |
| dc.contributor.department | Chalmers University of Technology / Department of Applied Physics | en |
| dc.date.accessioned | 2019-07-03T13:48:11Z | |
| dc.date.available | 2019-07-03T13:48:11Z | |
| dc.date.issued | 2015 | |
| dc.description.abstract | The focus of this study is to develop and document a generic PSA model, based on SSM deterministic design requirements. The objective is to be able to use this model as a benchmark tool in the evaluation of new methods for probabilistic safety analysis, or in the evaluation of new design requirements. Three designs that fulfill SSMF 2008:17 design requirements were constructed and implemented into the computer code RiskSpectrum. The results from RiskSpectrum were compared to the results available in the safety reports of Oskarshamn 1, 2 and 3. The conclusions of this thesis are that the results show consistency between construction 1, 2 and 3. Sensitivity analysis of the probabilistic results demonstrates that the PSA models 1, 2 and 3 are robust. A robust concept can operate without failure under a variety of conditions. The study also indicates that models based SSMFS 2008:17 design requirements can lead to a design that is fire resistant. Both construction 1 and 3 live up to the requirements that are essential to represent the generic PSA model, however, construction 3 is more suitable as a benchmark tool as extraordinary fire mitigation measures do not need to be taken into consideration. Lesson to be learned is that one generic design/construction that fulfills SSMFS 2008:17 requirements may satisfactorily describe the plant and provide results with a sufficient level of details. Therefore future efforts should be directed towards the development and use of generic design/PSA models. | |
| dc.identifier.uri | https://hdl.handle.net/20.500.12380/222080 | |
| dc.language.iso | eng | |
| dc.relation.ispartofseries | CTH-NT - Chalmers University of Technology, Nuclear Engineering : 310 | |
| dc.setspec.uppsok | PhysicsChemistryMaths | |
| dc.subject | Teknisk fysik | |
| dc.subject | Engineering physics | |
| dc.title | Construction of a generic PSA model for Swedish BWRs | |
| dc.type.degree | Examensarbete för masterexamen | sv |
| dc.type.degree | Master Thesis | en |
| dc.type.uppsok | H | |
| local.programme | Nuclear engineering, MSc |
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