Din avgränsning ger 50 träffar.
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2014:30 Modelling Approaches to C-14 in Soil-Plant Systems and in Aquatic Environments
carbon biogeochemistry already exists in the fields of plant physiology and aquatic ecology and therefore is it beneficial to draw on this to identify the important issues. A paper describing the BIOPROTA C-14 ... C-14 model inter-comparisons, and plans for the forward programme was published in Radiocarbon Journal. Further studies on C-14 (including modelling, model inter-comparisons, and experimental work) have...
Innehållstyp: Publikationer -
2014:16 Recent Research on EMF and Health Risk, Ninth report from SSM’s Scientific Council on Electromagnetic Fields, 2014
The objective of the report is to cover the previous year’s research in the area of electromagnetic fields (EMF). The report gives the Authority an overview and provides an important basis for risk assessment ... is number nine in the series and covers studies published up to and including September 2013. It covers different areas of EMF (static, low frequency intermediate and radio frequent fields) and different...
Innehållstyp: Publikationer -
2014:40 Technical Note, Review of Performance Confirmation Programs and Potential Roles in SSM’s Current Review of SKB’s License Application – Main Review Phase
The initial license application of a repository concept for disposal of radioactive waste is based on extensive site characterization, baseline monitoring, development of disposal designs and engineered ... the integration of a series of models representing processes controlling the containment, release and migration of radionuclides from the repository to the accessible surface environment. This information...
Innehållstyp: Publikationer -
2014:28 Numerical simulation of ductile crack growth in residual stress fields
The study has shown on the capability of the cell model in capturing the effects on ductile tearing from limited pre-load levels and a residual stress field. Some of the conclusions are as follows: No distinctive ... compressive, at room temperature of 1.5 or 3 % total strain. The cell model gives good predictions of the experimentally generated JR-curves for pre-load levels up to 3% in compression and tension. As for...
Innehållstyp: Publikationer -
2014:57 Technical Note, Issues in the Corrosion of Copper in a Swedish High Level Nuclear Waste Repository: Phase III. Role of Sulphide Ion in Anodic and Cathodic Processes
important findings of this research project show that: In the case when the bentonite buffer between the copper canister and the granitic rock is not damaged, we can neglect the possibility of general corrosion ... corrosion damage being a threat to canister integrity over a 100,000 year storage period. However, if the bentonite buffer is damaged for any reason, and does not act as an engineered barrier, it is predicted...
Innehållstyp: Publikationer -
2014:26 Improved reference and relative dosimetry of small radiation therapy photon beams
Data tables on detector corrections for beam output measurements are provided for a large number of detectors (small air and liquid ionization chambers, silicon diodes, TLD and alanine) manufactured by ... have been calculated with the PENELOPE Monte Carlo system at an uncertainty of 0.1%. Their comparison with other published data has enabled the determination of the overall uncertainty in the data available...
Innehållstyp: Publikationer -
2014:35 Technical Note, Modelling comparison of alternative biosphere models with LDF models and evaluation of selected parameter values used in the biosphere dose assessment - Main review phase
This report has been prepared as part of the SSM’s Main Review Phase of SKB’s SR-Site performance assessment of the long-term safety of the KBS-3 geological disposal facility (GDF) proposed for construction ... methodology employed in the dose assessment calculations of SR-Site; specifically issues of transport, accumulation and transfers of radionuclides in the near surface environment and the way in which doses to...
Innehållstyp: Publikationer -
2014:07 Technical Note, Review of the geological mapping and geophysical measurement techniques for the determination of critical properties around deposition holes -Main Review Phase
This Technical Note reports the findings of a detailed evaluation of the geological and geophysical methods proposed by SKB with respect to their ability, resolution, performance, reliability and robustness ... focusing on the detection of discriminating fractures intersecting deposition hole positions that may impact long-term safety by enabling either shear movements in excess of those the canisters are designed...
Innehållstyp: Publikationer -
2014:34 Technical Note, Modelling Comparison of Simple Reference Biosphere Models with LDF Models – Main Review Phase
development of simple reference biosphere models as a means of exploring the Landscape Dose Factor (LDF) approach adopted by SKB in the SR-Site safety assessment for the proposed final disposal of spent nuclear ... fuel at the Forsmark site. The models are developed and described in a systematic manner, based on international guidance reflected in the International Atomic Energy Agency’s BIOMASS approach. The context...
Innehållstyp: Publikationer -
2014:09 Further Development of the Core Simulator CORE SIM: Extension to coupled capabilities for BWRs
requires a set of input data from a commercial static core simulator. The driving perturbation can be specified both as a perturbation in thermo-hydraulic parameters or directly as a perturbation in macroscopic ... distribution of the noise in coolant density, pressure, enthalpy, inlet velocity, fuel temperature and neutron flux is obtained. In this work, some results of the noise simulations, performed for the case of a homogeneous...
Innehållstyp: Publikationer
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