Uncertainties and sensitivities in the performance of geologic nuclear waste isolation systems

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The Department, Available from National Technical Information Service , Columbus, Ohio, Springfield, VA
Radioactive waste disposal in the ground -- United S
StatementW.G. Sutcliffe ... [et al.] : prepared by Lawrence Livermore National Laboratory under contract no. W-7405-Eng-48 with the U.S. Department of Energy
ContributionsSutcliffe, W. G, Lawrence Livermore National Laboratory, Battelle Memorial Institute. Office of Nuclear Waste Isolation
The Physical Object
Pagination2 v. :
ID Numbers
Open LibraryOL14881067M

Uncertainties and sensitivities in the performance of geologic nuclear waste isolation systems. Columbus, Ohio: The Department ; Springfield, VA: Available. Risk and Uncertainty in Nuclear Waste Management Kristin Shrader-Frechette O’Neill Family Professor, Department of Philosophy and Department of Biological Sciences University of Notre Dame Notre Dame, IN [email protected] 1.

Introduction Risks and uncertainties associated with nuclear-waste managem ent are massive. TREATMENT OF UNCERTAINTIES IN THE PERFORMANCE ASSESSMENT OF GEOLOGIC HIGH-LEVEL RADIOACTIVE WASTE REPOSITORIES Evaristo J. Bonano and Robert M. Cranwell Waste Management Systems Division Sandia National Laboratories Albuquerque, New Mexico ABSTRACT Federal regulations governing the disposal of high-level.

assessment of the post-closure performance of nuclear waste repositories in geologic formations. This assessment is concerned with aspects of the nuclear program which previously have not been addressed. The nature of the isolation systems (e.g., involving.

The permanent disposal of high-level radioactive waste is one of the major technical hurdles that must be addressed if electrical power production by nuclear energy is to remain viable. The main challenge is that the waste must be effectively isolated from interactions with the biosphere for hundreds of thousands of years.

Description Uncertainties and sensitivities in the performance of geologic nuclear waste isolation systems PDF

A number of permanent disposal options have been proposed and reviewed Cited by: Geologic repositories for other waste types have been implemented (e.g., low-level and intermediate-level waste in Scandinavia and transuranic waste at the Waste Isolation Pilot Plant in the United States), but highly active, long-lived, heat-generating waste has not yet been disposed of permanently.

Regulatory geologists are concerned with predicting the performance of sites proposed for waste disposal or for remediation of existing pollution problems. Geologic modeling of these sites requires large-scale expansion of knowledge obtained from very limited sampling.

This expansion induces considerable uncertainty into the geologic models of rock properties that are required for modeling the. Clifford W.

Hansen, Jon C. Helton, Cédric J. Sallaberry, Use of replicated Latin hypercube sampling to estimate sampling variance in uncertainty and sensitivity analysis results for the geologic disposal of radioactive waste, Reliability Engineering & System Safety, /.

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Geological Repository Systems for Safe Disposal of Spent Nuclear Fuels and Radioactive Waste, Second Edition, critically reviews state-of-the-art technologies and scientific methods relating to the implementation of the most effective approaches to the long-term, safe disposition of nuclear waste, also discussing regulatory developments and.

Performance Assessment (PA) is the use of mathematical models to simulate the long-term behavior of engineered and geologic barriers in a nuclear waste repository; methods of uncertainty analysis.

Most nations with commercial nuclear power reactors have a nuclear waste program or have plans to establish such a program in the near future. The concept underlying these national programs is that a nation with commercial nuclear reactors will retain its own HLW (spent fuel if once-through or the waste residue if reprocessing is used) and will.

Geologic isolation of high-level nuclear waste from the biosphere requires special consideration in countries at high latitudes (>40°N) owing to the possibility of future episodes of continental glaciation (Talbot ).

It is now widely recognized that Pleistocene continental glaciations have had a profound effect on rates of sediment erosion (Cuffey & Paterson ) and deformation.

Anderson's 33 research works with citations and reads, including: Scenario development for the Waste Isolation Pilot Plant Compliance Certification Application. @article{osti_, title = {Radioactive waste isolation in salt: special advisory report on the status of the Office of Nuclear Waste Isolation's plans for repository performance assessment}, author = {Ditmars, J D and Walbridge, E W and Rote, D M and Harrison, W and Herzenberg, C L}, abstractNote = {Repository performance assessment is analysis that identifies events and processes that.

Post-closure performance assessment (PA) calculations suggest that deep borehole disposal of cesium (Cs)/strontium (Sr) capsules, a U.S.

Department of Energy (DOE) waste form (WF), is safe, resulting in no releases to the biosphere o, years when the waste is placed in a 3–5 km deep waste. Performance Assessment (PA) is the use of mathematical models to simulate the long-term behavior of engineered and geologic barriers in a nuclear waste repository; methods of uncertainty analysis are used to assess effects of parametric and conceptual uncertainties.

Nuclear waste is one of the key environmental concerns regard-ing the use of nuclear energy. As early as it was stated that ‘‘Unless a solution can be found for the permanent disposal of radioactive waste and spent fuel, there will not be the consensus needed to go ahead with nuclear power as an energy source.

Development and demonstration of spent nuclear fuel (SNF) and high-level waste (HLW) PA methodology for the U.S. Nuclear Regulatory Commission (NRC) [9,10]; Development and demonstration of low-level waste (LLW) PA for the NRC [11]; Evaluation of two generic geologic repositories for disposal of HLW and SNF stored at Idaho.

Search term. Advanced Search Citation Search. Login / Register. UNCERTAINTY AND SENSITIVITY ANALYSIS IN PERFORMANCE ASSESSMENT FOR THE WASTE ISOLATION PILOT PLANT J.C. Helton Department of Mathematics Arizona State University Tempe, AZ ABSTRACT (3 S,T I The Waste Isolation Pilot Plant (WIPP) is under development by the ment of Energy (DOE) for the geologk (deep underground) disposal of transuranic (TRU) waste.

Predictive Geology: With Emphasis on Nuclear-Waste Disposal covers the proceedings of papers presented at sessions sponsored by the International Association for Mathematical Geology. The topics that this book tackles are issues relevant to nuclear-waste disposal.

Inthe Government of Canada asked the NWMO to study possible approaches for the long-term management of Canada's used nuclear fuel. The study focused on three approaches identified by the government – deep geological disposal, storage at nuclear reactor sites, and above ground centralized storage – as well as a number of other approaches.

Nuclear Data Sensitivity, Uncertainty and Target Accuracy Assessment for Future Nuclear Systems G. Aliberti a, *, G. Palmiotti a, M. Salvatores a, T.K.

Kim a, T.A. Taiwo a, M. Anitescu a, I. Kodeli b, E. Sartori b, J.C. Bosq c, J. Tommasi c a Argo neN at il Lb y,uc E D vs 97 0 S. C I 6 43 U. The Energy Geosciences Division of Berkeley Lab has just released the Fifth Worldwide Review on International Approaches for Nuclear Waste Disposal in Geological Formations: Geological Challenges in Radioactive Waste Isolation.

Details Uncertainties and sensitivities in the performance of geologic nuclear waste isolation systems PDF

This book summarizes state-of-the-art radioactive waste disposal approaches in geological formations, with contributions from authors representing 23 countries. Since. of waste systems. Although the tools and techniques are refined for each programmatic area, general approaches and similar issues are encountered in all areas.

KEY WORDS: Performance assessment, nuclear waste, risk-informed regulation. INTRODUCTION This paper provides a summary of performance assessment activities at the U. Nuclear Regulatory. Uncertainty in the analysis of geologic waste disposal is generally considered to have three primary components: (1) computer code/model uncertainty, (2) model parameter uncertainty, and (3) scenario uncertainty.

Computer code/model uncertainty arises from problems associated with determination of appropriate parameters for use in model construction, mathematical formulatin of models, and.

tive waste disposal systems are often assembled based on information extracted from an international database of features, events, and processes (FEPs) for geologic disposal of radioactive waste (Nuclear Energy Agency, ).

For an exploratory application of this procedure, the number of. This report documents the Waste Isolation Pilot Plant shaft sealing system design. The seals are designed to limit the release ofradionuclides and hazardous constituents from an underground nuclear waste repository in salt.

Design concepts documented in this report will form the basis for no-migration variance petition modeling. In addition, these. So business ventures related to geology, such as mineral exploration and mining, are naturally associated with higher risks than more traditional entrepreneurial ventures in industry and economy.

There are also a number of dangerous natural hazards, e.g. earthquakes, volcanic activities, and inundations, that are the direct result of geological.

and for computationally efficient performance assessments of proposed nuclear-waste disposal systems. The ultimate goal is to support predictive simulation-based, risk-informed decision making about the management of future U.S.

nuclear waste. Reliable evaluation of nuclear data will play a major role in reduction of nuclear systems simulation uncertainties via the use of advanced sensitivity analysis (SA), uncertainty quantification (UQ), and data assimilation (DA) methodologies.

This follows since nuclear data have proven to constitute a major source of neutronics uncertainties.Radioactive waste or waste means high-level radioactive waste and other radioactive materials, including spent nuclear fuel, that are received for emplacement in the geologic repository.

Reasonably maximally exposed individual means the hypothetical person meeting the criteria specified at .11 2 Nuclear Waste Management 11 3 Nuclear Waste Management 11 4 Nuclear Waste 11 5 Nuclear Waste Management 11 6 Nuclear Waste 11 7 Nuclear Waste 11 8 Nuclear Waste 11 9 Nuclear Waste Management 11 10 Office of Nuclear Waste Isolation's.