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  • 2005:15 Human Factors Engineering Plan for Reviewing Nuclear Plant Modernization Programs

    awareness and understanding of the potential safety impacts of large and small modifications. A modernization influences not only technical aspects but also the layout and design of the control room, teamwork ... Inspectorate (SKI) reviews aspects of Man-Technology- Organization (MTO) of nuclear power plants involved in modernization of plant systems and control rooms. The purpose of an MTO review is to help ensure...

    Innehållstyp: Dokument
  • 2005:38 A Model Study of Costs Estimates of Decontamination and Decommissioning with an Emphasis to Derive Cost Functions for Alpha-Contaminated Material Using OMEGA Code

    Kristina Kristofova, Vladimir Daniska, Frantisek Ondra, Ivan Rehak, Marek Vasko SKI English...

    Innehållstyp: Publikationer
  • 2005:64 Investigating conceptual models for physical property couplings in solid solution models of cement

    1626 kB ... Investigating conceptual models for physical property couplings in solid solution models of cement Steven Benbow Claire Watson David Savage November 2005 ISSN 1104–1374 ... Background Concrete and cement are used in constructions as well as in conditioning of waste in repositories for radioactive waste. The long-term degradation of the cement produces alkaline waters that...

    Innehållstyp: Dokument
  • 2005:09 Comment on the Long-Term Chemical and Mineralogical Stability of the Buffer (pdf 304 kB)

    304 kB ... Stability of the Buffer Randy Arthur Mick Apted Mike Stenhouse March 2005 ISSN 1104–1374 ISRN SKI-R-05/09-SE SKI Perspective Background The chemical stability of bentonite ... bentonite, used as buffer material in the KBS-3 concept, needs to be thoroughly addressed in a safety assessment context. Chemical transformations of montmorillonite and other components may influence the physical...

    Innehållstyp: Dokument
  • 2005:32e Safety and Radiation Protection at Swedish Nuclear Power Plants 2004

    that a plant-specific defence-in-depth approach will be implemented at each plant. The physical barriers are situated between the radioactive material and the plant personnel and surroundings. In the case ... case of nuclear reactors in operation, the barriers comprise the fuel itself, the fuel cladding, the reactor pressure-bearing primary system and the containment. Defence-in-depth entails applying several...

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

    642 ... Reactive-Transport Model of Buffer Cementation Randy Arthur Wei Zhou October 2005 ISSN 1104–1374 ISRN SKI-R-05/59-SE SKI Perspective Background The buffer in a KBS-3 type repository ... surface. The extent of this thermal period is limited (~1000 years), since the magnitude of the thermal gradient across the buffer will diminish with the gradually decreasing amount of decay heat from the...

    Innehållstyp: Dokument
  • 2005:41 Models for Fuel Rod Behaviour at High Burnup

    years a considerable amount of work has been performed on studying the behaviour of nuclear fuel at high burnup and to model it in computer codes. SKI has previously performed an evaluation of FRAPCON ... FRAPCON (SKI Report 02.29). The evaluation confirms the applicability of FRAPCON to high burnup fuel rods, but also reveals weaknesses in the models for pellet thermal conductivity, clad oxidation, creep...

    Innehållstyp: Dokument
  • 2005:63 Safety-Related Contractor Activities at Nuclear Power Plants - New Challenges for Regulatory Oversight

    Background In recent years, there have been a number of initiatives to reduce operating expenses and make operations at nuclear power plants more efficient. One result of these optimization ... often is the increased use of contractors and the outsourcing of certain tasks and activities. Although the use of contractors and outsourcing has been a common practice in the nuclear industry worldwide...

    Innehållstyp: Dokument
  • 2005:58 The Swedish Concept for Disposal of Spent Nuclear Fuel: Differences Between Vertical and Horizontal Waste Canister Emplacement (1,08 MB)

    1106 kB ... SKI Report 2005:58 Research The Swedish Concept for Disposal of Spent Nuclear Fuel: Differences Between Vertical and Horizontal Waste Canister Emplacement ... licence applications on a repository design in which the waste canisters are emplaced in vertical boreholes (KBS-3V). However, SKB has also indicated that it might be possible and, in some respects, beneficial...

    Innehållstyp: Dokument
  • 2005:16 Assessment of Core Failure Limits for Light Water Reactor Fuel under Reactivity Initiated Accidents

    659 kB ... SKI Report 2005:16 Research Assessment of Core Failure Limits for Light Water Reactor Fuel under Reactivity Initiated Accidents Lars Olof Jernkvist ... and purpose of the project Over the last 10 years the behaviour of nuclear fuel during reactivity initiated accidents has been studied to investigate the failure threshold as a function of burnup. Experimental...

    Innehållstyp: Dokument