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Auxiliary Analyses In Support Of Performance Assessment Of A Hypothetical Low Level Waste Facility Two Phase Flow And Contaminant Transport In Unsaturated Soils Nureg Cr 6114 Vol 2 Usnrc May 1995
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Book Synopsis Auxiliary Analyses in Support of Performance Assessment of a Hypothetical Low-Level Waste Facility, Two-Phase Flow and Contaminant Transport in Unsaturated Soils, NUREG/CR-6114, Vol. 2, U.S.N.R.C., May 1995 by :
Download or read book Auxiliary Analyses in Support of Performance Assessment of a Hypothetical Low-Level Waste Facility, Two-Phase Flow and Contaminant Transport in Unsaturated Soils, NUREG/CR-6114, Vol. 2, U.S.N.R.C., May 1995 written by and published by . This book was released on with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Auxiliary Analyses in Support of Performance Assessment of a Hypothetical Low-level Waste Facility by :
Download or read book Auxiliary Analyses in Support of Performance Assessment of a Hypothetical Low-level Waste Facility written by and published by . This book was released on 1995 with total page 146 pages. Available in PDF, EPUB and Kindle. Book excerpt: A numerical model of multiphase air-water flow and contaminant transport in the unsaturated zone is presented. The multiphase flow equations are solved using the two-pressure, mixed form of the equations with a modified Picard linearization of the equations and a finite element spatial approximation. A volatile contaminant is assumed to be transported in either phase, or in both phases simultaneously. The contaminant partitions between phases with an equilibrium distribution given by Henry's Law or via kinetic mass transfer. The transport equations are solved using a Galerkin finite element method with reduced integration to lump the resultant matrices. The numerical model is applied to published experimental studies to examine the behavior of the air phase and associated contaminant movement under water infiltration. The model is also used to evaluate a hypothetical design for a low-level radioactive waste disposal facility. The model has been developed in both one and two dimensions; documentation and computer codes are available for the one-dimensional flow and transport model.
Download or read book Radioactive Waste Management written by and published by . This book was released on 1995-11 with total page 366 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Auxiliary Analyses in Support of Performance Assessment of a Hypothetical Low-level Waste Facility by :
Download or read book Auxiliary Analyses in Support of Performance Assessment of a Hypothetical Low-level Waste Facility written by and published by . This book was released on 1994 with total page 69 pages. Available in PDF, EPUB and Kindle. Book excerpt: Stochastic subsurface hydrologic theory is applied to data for a hypothetical low-level radioactive waste site to demonstrate the features of the hydraulic parameter estimation process, as developed by Gelhar and others. Effective values of hydraulic conductivity, macrodispersivity, and macrodispersivity enhancement are estimated from the data in this manner. A two-dimensional saturated flow and transport finite-element computer code is used to model the site. Four different isotope inputs and two types of input configurations contribute to an evaluation of model sensitivities. These sensitivities of the mean concentrations and the uncertainties around the mean are explored using an analytical model as an example. Results indicate that the spatial heterogeneity of isotope sorption, through its contribution to longitudinal dispersivity enhancement, has a large effect on the magnitude of concentration predictions, especially for isotopes with short half-lives in comparison to their retarded mean travel times. This observation emphasizes the need for accurate site data measurements that compliment the parameter estimation process. A comparison of simplified analytical screening models with the numerical model predictions shows that the analytical models tend to underestimate concentration levels at low times, potentially as a result of oversimplification of the flow field. Future models could address aspects that are neglected in this report, such as three-dimensionality or unsaturated flow and transport.
Author :U.S. Nuclear Regulatory Commission. Division of Technical Information and Document Control Publisher : ISBN 13 : Total Pages :596 pages Book Rating :4.3/5 (91 download)
Book Synopsis Regulatory and Technical Reports by : U.S. Nuclear Regulatory Commission. Division of Technical Information and Document Control
Download or read book Regulatory and Technical Reports written by U.S. Nuclear Regulatory Commission. Division of Technical Information and Document Control and published by . This book was released on 1980 with total page 596 pages. Available in PDF, EPUB and Kindle. Book excerpt: Includes indexes.
Book Synopsis Nuclear Waste Management by : Man-Sung Yim
Download or read book Nuclear Waste Management written by Man-Sung Yim and published by Springer Nature. This book was released on 2021-12-09 with total page 850 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book lays a comprehensive foundation for addressing the issue of safety in the lifecycle of nuclear waste. With the focus on the fundamental principles, the book covers key technical approaches to safety in the management of spent nuclear fuel, reprocessed high-level waste, low-level waste, and decommissioning wastes. Behaviors of nuclear waste in natural and engineered systems in relation to safety assessment are also described through the explanation of fundamental processes. For any country involved with the use of nuclear power, nuclear waste management is a topic of grave importance. Although many countries have heavily invested in nuclear waste management, having a successful national program still remains a major challenge. This book offers substantial guidance for those seeking solutions to these problems. As the problem of nuclear waste management is heavily influenced by social factors, the connection between technical and social issues in nuclear waste management is also discussed. The book is a core text for advanced students in nuclear and environmental engineering, and a valuable reference for those working in nuclear engineering and related areas.
Book Synopsis NCRP Report by : National Council on Radiation Protection and Measurements
Download or read book NCRP Report written by National Council on Radiation Protection and Measurements and published by . This book was released on 1966 with total page 498 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Semiannual Progress Report for the Period ... by : C.J. Rodden
Download or read book Semiannual Progress Report for the Period ... written by C.J. Rodden and published by . This book was released on 1962-07 with total page 66 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Nuclear Regulatory Commission Issuances by : U.S. Nuclear Regulatory Commission
Download or read book Nuclear Regulatory Commission Issuances written by U.S. Nuclear Regulatory Commission and published by . This book was released on 1979 with total page 950 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Topical Report Review Status written by and published by . This book was released on 1981 with total page 238 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Federal agency comments by : United States. General Accounting Office
Download or read book Federal agency comments written by United States. General Accounting Office and published by . This book was released on 1978 with total page 192 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Fiscal Year ... Budget by : United States. Department of Education
Download or read book The Fiscal Year ... Budget written by United States. Department of Education and published by . This book was released on 1995 with total page 124 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis NRC Regulatory Agenda by : U.S. Nuclear Regulatory Commission
Download or read book NRC Regulatory Agenda written by U.S. Nuclear Regulatory Commission and published by . This book was released on 1982 with total page 224 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Operating Experience Feedback for Nuclear Installations by : International Atomic Energy Agency
Download or read book Operating Experience Feedback for Nuclear Installations written by International Atomic Energy Agency and published by . This book was released on 2018 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: A robust operating experience programme prevents or minimizes the risk of future events by learning from events that have already occurred. This Safety Guide provides recommendations for establishing, implementing, assessing and continuously improving an operating experience programme for nuclear installations. The publication is primarily aimed at operating organizations and regulatory bodies responsible for nuclear installation and describes their roles and responsibilities in the overall operating experience programme. However, this publication is also of relevance to other organizations involved in the design, construction, commissioning, operation and decommissioning of nuclear installations, including technical support organizations, vendor companies, research establishments and universities.
