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Numerical Modeling Of The Thermal And Hydrological Environment Around A Nuclear Waste Package Using The Equivalent Continuum Approximation
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Book Synopsis Numerical Modeling of the Thermal and Hydrological Environment Around a Nuclear Waste Package Using the Equivalent Continuum Approximation by :
Download or read book Numerical Modeling of the Thermal and Hydrological Environment Around a Nuclear Waste Package Using the Equivalent Continuum Approximation written by and published by . This book was released on 1988 with total page 77 pages. Available in PDF, EPUB and Kindle. Book excerpt: In support of the investigations for an underground high-level nuclear waste repository at Yucca Mountain, Nevada, we have performed computer simulations of the immediate thermal and hydrological environment around a nuclear waste package. Calculations of this type will be needed for waste package design, performance assessment, and radionuclide transport analyses. Two dimensional computer simulations using a modified version of the TOUGH code were run for an idealized configuration derived from the COVE3 benchmarking effort consisting of a single spent fuel waste package with laterally periodic boundary conditions. The model domain extended downward to the water table and upward to the ground level. Fluid behavior in the rock was modeled using the equivalent continuum approximation. Runs were made with surface water influx rates at the surface set to 0.1, 0.5, and 1.0 mm/yr. A significant amount of code modification and development was needed in order to develop the capability to run these types of problems out to the long time spans required. 26 refs., 59 figs.
Book Synopsis Numerical Modeling of the Thermal and Hydrological Environment Around a Nuclear Waste Package Using the Equivalent Continuum Approximation by : J. J. Nitao
Download or read book Numerical Modeling of the Thermal and Hydrological Environment Around a Nuclear Waste Package Using the Equivalent Continuum Approximation written by J. J. Nitao and published by . This book was released on 1988 with total page 72 pages. Available in PDF, EPUB and Kindle. Book excerpt: In support of the investigations for an underground high-level nuclear waste repository at Yucca Mountain, Nevada, we have performed computer simulations of the immediate thermal and hydrological environment around a nuclear waste package. Calculations of this type will be needed for waste package design, performance assessment, and radionuclide transport analyses. Two dimensional computer simulations using a modified version of the TOUGH code were run for an idealized configuration derived from the COVE3 benchmarking effort consisting of a single spent fuel waste package with laterally periodic boundary conditions. The model domain extended downward to the water table and upward to the ground level. Fluid behavior in the rock was modeled using the equivalent continuum approximation. Runs were made with surface water influx rates at the surface set to 0.1, 0.5, and 1.0 mm/yr. A significant amount of code modification and development was needed in order to develop the capability to run these types of problems out to the long time spans required.
Download or read book Energy Research Abstracts written by and published by . This book was released on 1992-03 with total page 358 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Progress Report on the Scientific Investigation Program for the Nevada Yucca Mountain Site by :
Download or read book Progress Report on the Scientific Investigation Program for the Nevada Yucca Mountain Site written by and published by . This book was released on 1990-02 with total page 84 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Site Characterization Progress Report by :
Download or read book Site Characterization Progress Report written by and published by . This book was released on 1996 with total page 860 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book ERDA Energy Research Abstracts written by and published by . This book was released on 1989 with total page 848 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Site Characterization Progress Report: Yucca Mountain, Nevada, DOE/RW-0498, April 1997 by :
Download or read book Site Characterization Progress Report: Yucca Mountain, Nevada, DOE/RW-0498, April 1997 written by and published by . This book was released on 1997 with total page 860 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Proceedings of the Topical Meeting on Nuclear Waste Isolation in the Unsaturated Zone by :
Download or read book Proceedings of the Topical Meeting on Nuclear Waste Isolation in the Unsaturated Zone written by and published by . This book was released on 1990 with total page 468 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Radioactive Waste Management written by and published by . This book was released on 1981 with total page 364 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book V-TOUGH written by J. J. Nitao and published by . This book was released on 1989 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt: The TOUGH code developed at Lawrence Berkeley Laboratory (LBL) is being extensively used to numerically simulate the thermal and hydrologic environment around nuclear waste packages in the unsaturated zone for the Yucca Mountain Project. At the Lawrence Livermore National Laboratory (LLNL) we have rewritten approximately 80 percent of the TOUGH code to increase its speed and incorporate new options. The geometry of many problems requires large numbers of computational elements in order to realistically model detailed physical phenomena, and, as a result, large amounts of computer time are needed. In order to increase the speed of the code we have incorporated fast linear equation solvers, vectorization of substantial portions of code, improved automatic time stepping, and implementation of table look-up for the steam table properties. These enhancements have increased the speed of the code for typical problems by a factor of 20 on the Cray 2 computer. In addition to the increase in computational efficiency we have added several options: vapor pressure lowering; equivalent continuum treatments of fractures; energy and material volumetric, mass and flux accounting; and Stefan-Boltzmann radiative heat transfer. 5 refs.
Book Synopsis Analysis and Confirmation of Robust Performance for the Flow-diversion Barrier System Within the Yucca Mountain Site by :
Download or read book Analysis and Confirmation of Robust Performance for the Flow-diversion Barrier System Within the Yucca Mountain Site written by and published by . This book was released on 1996 with total page 110 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Proceedings: International Symposium on Unique Underground Structures by :
Download or read book Proceedings: International Symposium on Unique Underground Structures written by and published by . This book was released on 1990 with total page 940 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis High Level Radioactive Waste Management by :
Download or read book High Level Radioactive Waste Management written by and published by . This book was released on 1996 with total page 656 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Mass Transfer Induced by Thermal Effects in Unsaturated Porous Media by : Wei Zhou
Download or read book Mass Transfer Induced by Thermal Effects in Unsaturated Porous Media written by Wei Zhou and published by . This book was released on 1992 with total page 538 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :American Society of Civil Engineers Publisher :American Society of Civil Engineers ISBN 13 : Total Pages :546 pages Book Rating :4.F/5 ( download)
Book Synopsis High Level Radioactive Waste Management by : American Society of Civil Engineers
Download or read book High Level Radioactive Waste Management written by American Society of Civil Engineers and published by American Society of Civil Engineers. This book was released on 1996 with total page 546 pages. Available in PDF, EPUB and Kindle. Book excerpt: This collection contains 178 papers on the technical and societal impacts of high-level radioactive waste presented at the Seventh Annual International Conference on High Level Radioactive Waste Management, held in Las Vegas, Nevada, April 29-May 3, 1996.
Book Synopsis Scientific Basis for Nuclear Waste Management XVII by : Materials Research Society
Download or read book Scientific Basis for Nuclear Waste Management XVII written by Materials Research Society and published by . This book was released on 1994 with total page 1028 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book V-TOUGH written by and published by . This book was released on 1989 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt: The TOUGH code developed at Lawrence Berkeley Laboratory (LBL) is being extensively used to numerically simulate the thermal and hydrologic environment around nuclear waste packages in the unsaturated zone for the Yucca Mountain Project. At the Lawrence Livermore National Laboratory (LLNL) we have rewritten approximately 80 percent of the TOUGH code to increase its speed and incorporate new options. The geometry of many problems requires large numbers of computational elements elements in order to realistically model detailed physical phenomena, and, as a result, large amounts of computer time are needed. In order to increase the speed of the code we have incorporated fast linear equation solvers, vectorization of substantial portions of code, improved automatic time stepping, and implementation of table look-up for the steam table properties. These enhancements have increased the speed of the code for typical problems by a factor of 20 on the Cray 2 computer. In addition to the increase in computational efficiency we have added several options: vapor pressure lowering; equivalent continuum treatments of fractures; energy and material volumetric, mass and flux accounting; and Stefan-Boltzmann radiative heat transfer. 5 refs.
