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Sunday, December 6, 2020 | History

2 edition of Modeling one-dimensional radionuclide transport under time-varying fluid-flow conditions found in the catalog.

Modeling one-dimensional radionuclide transport under time-varying fluid-flow conditions

Fred Gelbard

Modeling one-dimensional radionuclide transport under time-varying fluid-flow conditions

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Published by Division of Engineering, Office of Nuclear Regulatory Research, U.S. Nuclear Regulatory Commission in Washington, DC .
Written in English

    Subjects:
  • Radioisotopes -- Decay -- Mathematical models.

  • Edition Notes

    Other titlesModeling one dimensional radionuclide transport under time-varying fluid-flow conditions.
    Statementprepared by F. Gelbard.
    ContributionsU.S. Nuclear Regulatory Commission. Office of Nuclear Regulatory Research. Division of Engineering., Sandia National Laboratories.
    The Physical Object
    Paginationvii, 28 p. :
    Number of Pages28
    ID Numbers
    Open LibraryOL15385391M

    Modelling in Hydrogeology Formulation: Formulation refers to the process of deriving or selecting the basic equation (s) governing the flow and solute transport of groundwater, with the domain specification and initial boundary conditions.5/5(2). The fluid flow will distort the magnetic field lines (see Alfvén’s theorem and the frozen flux approximation) so they become curved as shown in Figure A1 (part (b)). The curvature of magnetic field lines produces a magnetic (Lorentz) force on the fluid, which opposes further curvature as predicted by Lenz’s law. Martinus Theodorus van Genuchten - Pesquisador senior em física de solos, tendo trabalhado em Princeton e no US Salinity Laboratory em Riverside, California. Obtenção dos títulos de BSc e MSc em irrigação e drenagem na Universidade de Wageningen, Holanda, e PhD em Física de Solos na New Mexico State University (). Ao longo da carreira, tem desenvolvido pesquisas no transporte de.


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Modeling one-dimensional radionuclide transport under time-varying fluid-flow conditions by Fred Gelbard Download PDF EPUB FB2

Get this from a library. Modeling one-dimensional radionuclide transport under time-varying fluid-flow conditions.

[Fred Gelbard; U.S. Nuclear Regulatory Commission. Office of Nuclear Regulatory Research. Division of Engineering.; Sandia National Laboratories.]. EPA//R/ July Simulating Radionuclide Fate and Transport in the Unsaturated Zone: Evaluation and Sensitivity Analyses of Select Computer Models by Jin-Song Chen, Ronald L.

Drake and Zhixun Lin Dynamac Corporation Oakridge Boulevard Ada, OK David G. Jewett Subsurface Protection and Remediation Division National Risk Management Research Laboratory Ada, OK Modelling of radionuclide distribution and transport in the accessible environment is also relevant in these areas, e.g.

in estimating the future radiological impact of different site remediation options and in assessing the long-term, post-closure safety of disposal facilities for radioactive by: Sub-timing in fluid flow and transport simulations Modelling radionuclide transport for time varying flow in a channel network is handling of diffusion in the rock matrix under transient.

Models have been applied to investigate a wide variety of hydrogeologic conditions. More recently, groundwater models are being applied to predict the transport of contaminants for risk evaluation. The modeling work described herein represents Sandia National Laboratories (SNL) portion of a collaborative three-year project with Northrop Grumman Electronic Systems (NGES) and the University of Missouri to develop an advanced, thermal ground-plane (TGP), which is a device, of planar configuration, that delivers heat from a source to an ambient environment with high efficiency.

Examples of one-dimensional solutions that involve linear homogeneous reactions are given by Bear (), Marino (a), and Parlange and Starr ().

Two- dimensional examples with similar reactions have been presented by Hunt (, ). Many one-dimensional transport models have been developed for various heterogeneous reactions.

@article{osti_, title = {Modeling of strongly heat-driven flow in partially saturated fractured porous media}, author = {Pruess, K and Tsang, Y W and Wang, J S.Y.}, abstractNote = {We have performed modeling studies on the simultaneous transport of heat, liquid water, vapor, and air in partially saturated fractured porous media, with particular emphasis on strongly heat-driven by: SIAM Journal on Scientific ComputingCC Abstract | PDF ( KB) () Estimated Time of Arrival Sensitivity to Aircraft Intent Uncertainty ⁎ ⁎This project has received funding from the SESAR Joint Undertaking under grant agreement No under European Union Horizon research and innovation by: Guide for defining initial conditions in ground-water flow modeling (D ).

Guide for conducting a sensitivity analysis for a ground-water flow model application (D ). Guide for documenting a ground-water flow model application (D ). Guide. Jacob Bear, Modeling Transport of Chemical Species, Modeling Phenomena of Flow and Transport in Porous Media, /_7, (), ().

CrossrefCited by: International Journal of Heat and Fluid F From conservative to reactive transport under diffusion-controlled conditions. Water Resources ResearchOne-dimensional Conduction-based Modeling of Bioenergy Production in a Microbial Fuel Cell Engaged with Multi-population by: Wikiniyadhanee, R., S.

Chotpantarat, and S. Ong, Effects of kaolinite colloids on Cd2+ transport through saturated sand under varying ionic strength conditions: Column experiments and modeling approaches, Journal of Contaminant Hydrology,–, FLONET/TRANS is a software package for 2-D cross-sectional groundwater flow and contaminant transport modeling.

The modeling environment offers all the advantages of finite-element modeling (numerical stability and flexible geometry) together with a logical and intuitive graphical interface that makes finite-element modeling fast and easy. Unfortunately, this book can't be printed from the OpenBook.

If you need to print pages from this book, we recommend downloading it as a PDF. Visit to get more information about this book, to buy it in print, or to download it as a free PDF.

Full text of "Development of fission-products transport model in severe-accident scenarios for SCDAP/RELAPS" See other formats.

thermal-hydraulic and chemical conditions under which the model must operate and the fission products processes that provide some kind of boundary to the transport (the release and chemistry). In this section, the transport competitive phenomena are listed. Computational Fluid Dynamics (CFD) is concerned with the numerical solution of the equations governing fluid flow, heat transfer and multi-species transport in fundamental and industrial problems.

In the past 50 years, the subject of CFD has grown significantly in several directions, aided primarily by the growth in computing power.

Full text of "A cumulative index to a continuing bibliography on aerospace medicine and biology, January " See other formats. Doctoral Dissertation Abstracts (A – L) Following is a complete list of doctoral graduates of the Department of Computer Science, with their dissertation titles.

Graduates of other departments or schools, whose primary adviser was a member of the Department of Computer Science, are also listed. Mainly one dimensional problems, which lead to the formulation and solution of elementary partial differential equations, w.r.t the spatial coordinate x and time t, will be treated.

The principle of Mass conservation will be used for the formulation of the continuity equation for hydromechanics and specifically for Traffic Flow. LBNL EARTH SCIENCES DIVISION. RESEARCH SUMMARIES – ERNEST ORLANDO LAWRENCE BERKELEY NATIONAL LABORATORY University of California Berkeley, California Prepared for the U.S.

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The Diffusion Equation.- 4. Advection-Diffusion Problems.- 5. Isothermal Incompressible Fluid Flow.- 6. Non-isothermal Incompressible Fluid Flow.- 7. Multi-relaxation Schemes.- 8.

Complex Flows.;" Lattice Boltzmann Method introduces the lattice Boltzmann method (LBM) for solving transport phenomena – flow, heat and mass transfer – in a. Keywords: Unmanned radionuclide search, organic scintillators, mechanical testing Acknowledgements This material is based on work supported in part by BAE Systems Contract No.

WNF, in part by the Department of Energy National Nuclear Security Administration through the Nuclear Science and Security Consortium under Award Number DE. Complimentary Contributor Copy Complimentary Contributor Copy INTRODUCTION It is well-known that magnetic field analysis in general is more complex than gravity or thermal radiation.

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{ "data": [ { "authors": "Yang, C., Y.K. Zhang, Y.Y. Liu, X.F. Yang, and C.X. Liu", "year": "", "title": "Model-based analysis of the effects of dam-induced river. Shu-ping Zhao,Jun-han You,Jun-jie Zhu,Yung-kuo Lim,University of Science and Technology of China.

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