Din avgränsning ger 2129 träffar.
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98:09 Identification of Common Cause Initiators in IRS Database
electrical systems, etc. Dependent events are usually ranked the highest on the safety significance scale, due to their potential impact on the risk. Risk contribution from independent (random) events is typically ... actual occurrences of CCIs on the basis of international operational experience collected in the IRS data base. In particular, the aim of the project is to give a guidance on where more investigations may...
Innehållstyp: Dokument -
2021:04 Calibration of models for cladding tube high-temperature creep and rupture in the FRAPTRAN-QT-1.5 program
2000-0456 Available at: www.ssm.se SSM 2021:04 SSM perspective Background The Swedish Radiation Safety Authority (SSM) follows the research on fuel performance closely. One aspect that ... risk of release of fragmented fuel into the primary coolant in case of an accident. This risk depends on complex conditions where one is the possibility and size of a rupture of the fuel rod cladding tube...
Innehållstyp: Dokument -
2005:23 DECOVALEX III PROJECT Thermal-Chemical Modeling of the Yucca Mountain Project Drift Scale Test
Measurements Report (BSC 2002a) and in Drift Scale Test As-Built Report (CRWMS M&O 1998). Information on these aspects of the DST is not repeated in this report unless directly related to the geochemical ... heaters were activated on December 3, 1997, with a planned period of 4 years of heating, followed by 4 years of cooling. After just over 4 years, the heaters were switched off on January 14, 2002, and...
Innehållstyp: Dokument -
2014:44 Technical Note, Independent evaluation of the number of critical canister positions in the KBS-3 repository at Forsmark – Main Review Phase
KBS-3 repository at Forsmark Main Review Phase Author: Joel Geier SSM perspektiv Bakgrund Strålsäkerhetsmyndigheten (SSM) granskar Svensk Kärnbränslehantering AB:s (SKB) ansökningar enligt lagen ... slutförvar för använt kärnbränsle och av en inkapslingsanläggning. Som en del i granskningen ger SSM kon- sulter uppdrag för att inhämta information och göra expertbedömningar i avgränsade frågor. I...
Innehållstyp: Dokument -
2021:28 Analysis of Radon Levels in Swedish Dwellings and Workplaces
AB, Uppsala Report number: 2021:28 ISSN: 2000-0456 Available at: www.ssm.se SSM 2021:28 SSM 2021:28 SSM perspective Background Exposure to radon is considered the second most important ... particularly where levels exceed the reference level 200 Bq/m³. In order to be able to update calculations on number of lung cancer cases, which are caused by radon, it is necessary to estimate the average radon...
Innehållstyp: Dokument -
2007:02 Strålmiljön i Sverige
public are also reported. Environmental monitoring concerning radiation has to a great extent focused on deposition and occurrence of radioactive elements originating from the atmospheric nuclear weapon ... however more dependent on behaviour, and approxi- mately 25 percent of the total exposure takes place abroad. Presently there are no time series concerning electromagnetic fields in the outdoor environment...
Innehållstyp: Dokument -
2024:10 Computational analysis of high-burnup fuel rod behaviour in PWR large-break LOCA
Uppsala 2024:10 SSM 2024:10 This report was commissioned by the Swedish Radiation Safety Authority (SSM). The conclusions and viewpoints presented in the report are those of the author(s) and do not necessarily ... necessarily coincide with those of SSM. SSM perspective Background Quantum Technologies AB (QT) has for many years developed computational models for the thermomechanical behaviour of nuclear fuel...
Innehållstyp: Dokument -
2004:04 (Volume 1) Dependency Defence and Dependency Analysis Guidance
How to analyse and protect against dependent failures. Summary report of the Nordic Working group on Common Cause Failure Analysis Gunnar Johanson Per Hellström Tuomas Makamo Jean-Pierre Bento Michael ... part of the inspection tasks of SKI. According to SKIFS 1998:1, the safety analyses shall be based on a systematic identification and evaluation of such events, event sequences and other conditions which...
Innehållstyp: Dokument -
Samlad strålsäkerhetsvärdering av AB SVAFO 2021.pdf
Föreliggande rapport redovisar den samlade strålsäkerhetsvärderingen (SSV) som Strålsäkerhetsmyndigheten (SSM) genomfört av AB Svafo:s (Svafo) verksamhet för perioden 2019-04-01 till 2021-03-31. En SSV syftar ... bedöma tillståndshavarens förmåga att driva och utveckla verksamheten på ett strålsäkert sätt SSM genomför regelbundet samlade strålsäkerhetsvärderingar av Svafo och andra kärntekniska tillståndshavare...
Innehållstyp: Dokument -
Rapport om samlad strålsäkerhetsvärdering 2024 för OKG Aktiebolag.pdf
Sammanfattning Denna rapport redovisar Strålsäkerhetsmyndighetens (SSM) årliga samlade värdering av strålsäkerheten vid OKG Aktiebolag (OKG). SSM gör samlat bedömningen att flera områden som rör OKG:s anläggning ... samt den ökande temperaturen i reaktorinneslutningen. I samband med inträffade händelser har dock SSM konstaterat en degradering av anläggningens robusthet och av djupförsvarets första nivå. Det har dessutom...
Innehållstyp: Dokument