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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
  • 2014:18 Evaluation of the Halden IFA-650 loss-of-coolant accident experiments 2, 3 and 4

    709 ... 5 Concluding remarks 27 References 30 Appendix A Input parameters for cladding models 31 I SSM 2014:18 SSM 2014:18 Abstract The Halden reactor fuel rod loss-of-coolant accident (LOCA) ... results of our computer calculations are compared with measured data for the following parameters: (i) Cladding temperature as a function of time; (ii) Cladding diameter at rupture versus axial position...

    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
  • 2005:60 Research and Service Experience with Environmentally-Assisted Cracking in Carbon and Low-Alloy Steels in High-Temperature Water

    12540 kB ... conductivity KI MPa⋅m1/2 Stress intensity factor KI,ASTM MPa⋅m1/2 ASTM E 399 limit for KI KI,i MPa⋅m1/2 KI value at crack initiation by SICC in SRL tests KIJ MPa⋅m1/2 KI value at the onset of ductile ... alloys [18, 26, 27]. 100 150 200 250 300 350 20 30 40 50 60 8 ppm DO 65 ppp SO 4 2- K I,i [ M Pa ·m 1/ 2 ] Temperature [°C] Weld filler material (0.007 wt.% S, 0.0053 wt.% Al) 100...

    Innehållstyp: Dokument
  • 2021:05 Cladding tube rupture under LOCA Data and models for rupture opening size

    . . . . . 53 A.3.2 QL1 - QL5 tests . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56 I II Summary In this report, empirical models are formulated, by which the rupture opening dimensions ... ZIRLO cladding materials in un-irradiated as well as irradiated state. III Sammanfattning I denna rapport utarbetas empiriska modeller för bestämning av ungefärliga dimensioner hos de brottöppningar...

    Innehållstyp: Dokument
  • 2004:32 A Strain-based Clad Failure Criterion for Reactivity Initiated Accidents in Light Water Reactors

    report are those of the author/authors and do not necessarily coincide with those of the SKI. I List of contents Summary........................................................................... ... Denna rapport behandlar skador hos högutbrända kärnbränslestavar under reaktivitets- olyckor (RIA) i lättvattenreaktorer. Särskilt avseende fästs vid formuleringen av ett töjningsbaserat kriterium för...

    Innehållstyp: Dokument
  • 2017:34 Human capability to cope with unexpected events

    research project on “Man’s ability to handle unexpected events”, is to gain a deeper understanding of i) how people recognize abnormal situations as such, and act during extreme and complex situations; ii) ... from their parts. About 80% of the weight (the cells) of my body die and are replaced every year, but I am still ‘myself’. This broader form of relationship between micro and macro levels, in which properties...

    Innehållstyp: Dokument
  • 2007:09 DECOVALEX-THMC - Task C

    872 kB ... characterises the lengthening deformation in the j direction due to the normal stress acting in the i direction. The uniaxial compressive strength ranges from 13 to 32 MPa and the maximal strength ... remains eff ı C İ (4.2) with the fourth-order tensor comprised of the linear elastic coefficients C and the strains İ resulting in el sw İ İ İ (4...

    Innehållstyp: Dokument
  • 2005:59 Reactive-Transport Model of Buffer Cementation (642 kB)

    642 kB ... those of the author/authors and do not necessarily coincide with those of the SKI. i Summary Thermal gradients during the early, non-isothermal period of near-field evolution in a ... systems (e.g., Lichtner, 1996): r N r iri i RCD t C r∑ = =∇•∇− 1 )()( νφ∂ φ∂ (1) In this equation Ci denotes the concentration of the i-th species (mol l-1), D stands for the diffusion...

    Innehållstyp: Dokument
  • 2001:22 Work in Support of Biosphere Assessments for Solid Radioactive Waste Disposal. 2. Biosphere FEP List and Biosphere Modelling

    Amber SSI rapport : 2001:22 oktober 2001 ISSN 0282-4434 Författarna svarar själva för innehållet i rapporten. The conclusions and viewpoints presented in the report are those of the author an do not ... vid slutförvaring av använt kärnbränsle och kärnavfall.) Med anledning av detta fick QuantiSci 1998 i uppdrag av SSI att: • utveckla arbetsmetoderna för det kommande granskningsarbetet, dels utifrån...

    Innehållstyp: Dokument