Din avgränsning ger 2043 träffar.
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2013:16 Technical Note, Assessment of PWR fuel depletion and of neutron multiplication factors for intact PWR fuel copper canisters – main review phase
fuel copper canisters Main review phase Author: Dennis Mennerdahl 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 -
In vitro approach för att öka förståelse av mekanismer och risk av strålinducerad cancer - Andrzej Wojcik.pdf
is the level of risk after low radiation doses? The current radiation protection policy is based on the assumption that the risk of radiation-induced cancer increases linearaly with dose Epidemiological ... understand cellular effects of radiation related to cancer risk Cellular effects of low doses of mixed fields (gamma and alpha) delivered under low dose rates Why? Because natural and occupational exposures...
Innehållstyp: Dokument -
2017:18 FEM analysis of the mechanical integrity for the canister intended for storage of spent nuclear fuel with regard to copper creep ductility
5383 ... nuclear fuel with regard to copper creep ductility 2017:18 Author: Calle Engman SSM 2017:18 SSM 2017:18 SSM perspective Background For final storage of spent nuclear fuel it is suggested by ... study the containment ability of canisters copper shell by means of creep brittleness. The safety SSM 2017:18 function of the copper shell is to provide an approximately 50 mm thick corrosion barrier...
Innehållstyp: Dokument -
2004:04 (Volume 2) 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 -
2004:07 The Stability of Magnetite and its Significance as a Passivating Film in the Repository Environment (pdf, 915 kB)
to corrode. Earlier studies have indicated that a passivating film of magnetite (Fe3O4) is formed on the iron. If this is valid also in high chloride and sulphide concentrations is though not shown. ... project was to investigate, by a literature study, if magnetite could be formed as a passivating film on iron in the expected repository conditions. The possibility to form other types of passivating films...
Innehållstyp: Dokument -
2002:20 Expert Opinion in SR 97 and the SKI/SSI Joint Review of SR 97
166 kB ... Stephen C. Hora, University of Hawaii at Hilo Hawaii, USA This review focuses both on SR-97 and on the joint SKI/SSI review of SR-97. The purpose of the review is to provide guidance to SSI ... site selection parameters. 4. Providing a basis for deriving preliminary functional requirements on the canister and other barriers. The first of these purposes is the most direct. Feasibility is...
Innehållstyp: Dokument -
01:44 Recharge-area Nuclear Waste Repository in Southeastern Sweden (pdf 1,58 Mb)
discharge areas (coastal locations), where times and paths are expected to be short in any case. Effects on SKI’s activities With this research project, SKI has pointed at an important factor in repository ... comparison site, that improve substantially on the Hultsfred site. Three techniques are introduced for illuminating important aspects of the three-dimensional flow field in a numerical model. (1) A technique...
Innehållstyp: Dokument -
2013:08 Licensing of safety critical software for nuclear reactors
organisations –Revision 2013 SSM 2013:08 Background This report is the 5th revision of the report. The task force was formed in 1994 as a group of experts on safety critical software. The members ... members come from regulatory authorities and/or their technical support organization. Bo Liwång, SSM, has been a member since the work started in 1994. For full information of the historical background...
Innehållstyp: Dokument -
2012:70 Process Parameters Affecting Inhomogeneity of Material Microstructure
Parameters Affecting Inhomogeneity of Material Microstructure 2012:70 Author: Martin M. Morra SSM perspective Background It is well known that the production methods used for manufacturing of austenitic ... microstructures are little known, just as how they occur and how common they are. Knowledge is today missing on how modern production methods and their process parameters affect the microstructure and the corrosion...
Innehållstyp: Dokument -
2005:29 DECOVALEX III PROJECT Thermal-Hydro-Mechanical Coupled Processes in Safety Assessments
laboratory experiments. DECOVALEX II, started in 1996, built on the experience gained in DECOVALEX I by modeling larger tests conducted in the field. DECOVALEX III, started in 1999 following the completion ... thermal-hydrologic-mechanical (THM) coupling on the performance of the near-field of a nuclear waste repository (BMT1); b) the effect of upscaling THM processes on the results of performance assessment (BMT2);...
Innehållstyp: Dokument