Din avgränsning ger 2171 träffar.
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01:48 Effects of Time Pressure and Noise on Non-Destructive Testing
kritiska för säkerheten och/eller tillgängligheten för kärnkraftverken. Stora variationer i provares förmåga har visats i studier, ofta har trötthet nämnts som delorsak. Inga konkreta resultat har dock presenterats ... prestationen är som högst. För enkla uppgifter ligger detta optimum högre än för mer komplexa uppgifter. I föreliggande studie genomförde tjugo provare manuell ultraljudsprovning av sex testblock med tillverkade...
Innehållstyp: Dokument -
2011:04 Evaluation of the Technical Basis for New Proposals of Fatigue Design of Nuclear Components
affected the parameters in Table 2. The results are expressed in terms of the parameter A in Eq. (2), i. e. the parameter that primarily controls the low-cycle fatigue life. The condition set up for the ... surface initial crack nucleate and propagate in the maximum shear direction. During this stage, stage I, the cracks interact strongly with the microstructure of the material. The cracks are called micro-structurally...
Innehållstyp: Dokument -
2008:18 Concerns when designing a safeguards approach for the back-end of the Swedish nuclear fuel cycle
radioaktiva avfall som produceras i kärnkraftreaktorerna bygger på ett slutförvar flera hundra meter ner i berggrunden. I detta ska det använda bränslet placeras, inneslutet i kopparkapslar, varpå slutförvaret ... tidsrymd som anläggningen är tänkt att innehålla kärnmaterial samt att det material som är placerat i förvaret kommer att vara mycket svårt att få tillgång till. Slutförvarets otillgänglighet innebär att...
Innehållstyp: Dokument -
2013:08 Licensing of safety critical software for nuclear reactors
970 ... and demonstrations of safety of software based systems; – as guidance for manufacturers and major I&C suppliers on the international market. SSM 2013:08 Document Structure From the outset, attention ... force’s position on technical positions of mutual interest. * * * SSM 2013:08 SSM 2013:08 I INTRODUCTION All government, – indeed every human benefit and enjoyment, every virtue and every...
Innehållstyp: Dokument -
2011:11 Handling Interfaces and Time-varying Properties in Radionuclide Transport Models
3637 kB ... those of the author/authors and do not necessarily coincide with those of the SSM. SSM 2011:11 i Summary This report documents studies undertaken by Quintessa during 2010 in preparation for the ... 3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 0.1 1 10 100 1000 10000 Pore Velocity (m/y) R e la ti v e I n te rf a c e C o n c e n tr a ti o n Figure 9: Average concentration on the fracture-buffer...
Innehållstyp: Dokument -
2019-12 Radiological risk assessment for the “Radon” type surface disposal facility in Chisinau, Moldova LR
focused on developing a consensus on the methodological aspects of safety assessment, especially i) specification of the assessment context, ii) description of the waste disposal system, development ... wastes were only thrown in through the opening without special placement measures. Hence Vault I, II and IV could be filled by about 30 m3 of waste each, while Vault III could be filled up by about...
Innehållstyp: Dokument -
2018:19 Licensing of safety critical software for nuclear reactors
1421 kB ... and demonstrations of safety of software based systems; – as guidance for manufacturers and major I&C suppliers on the international market. 10 Document Structure From the outset, attention ... technical reference for future improvements in its own regulatory guidance. * * * 13 I INTRODUCTION All government, – indeed every human benefit and enjoyment, every virtue and every...
Innehållstyp: Dokument -
Pronouncement concerning licence application under the Act on Nuclear Activities for proposed expanded operations at SFR.pdf
pointed out by the Authority in the attached review report (Appendix 1). The review report (Part I, section 3.4.4) describes technical issues which SSM considers should be particularly taken into ... closure. For a more detailed line of reasoning relating to the reference design, see Appendix 1, Part I, section 3.1. In the context of the pre-existing facility, SSM exercises regulatory supervision...
Innehållstyp: Dokument -
2009:01 Decommissioning of the Nuclear Reactors R2 and R2-0 at Studsvik, Sweden – General Data as called for under Article 37 of the Euratom Treaty
activity exceeds 100 Bq per week, alpha spec- trometry is performed. The charcoal filters are analyzed for I-131. Airborne activity in the exhaust air from the reactor hall is monitored in connec- tion with ... kärnreaktorerna R2 och R2-0 I Studsvik. Studsvik Nuclear AB 2006, Ar- betsrapport N-05/251. 2 Brodén, K. Miljökonsekvensbeskrivning för avveckling av reaktorverk- samheten i Studsvik. Studsvik Nuclear...
Innehållstyp: Dokument -
2006:10 Models for MOX fuel behaviour - A selective review
utvärderas och jämförs med UO2. Förekomsten av plutoniumrika områden (agglomerat) i MOX bränsle spär på komplexiteten i bränslebeteendet på detaljnivå. Vi granskar också de senaste erfarenheterna från ... av mikrostrukturen under bestrålning. Resultaten från vår undersökning indikerar att MOX bränsle i allmänhet har högre fissionsgasafrigörelse och heliumavgivning än UO2 bränsle. Denna ökning till en...
Innehållstyp: Dokument