The Correction Of Pebble Bed Reactor Nodal Cross Sections For The Effects Of Leakage And Depletion History

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The Correction of Pebble Bed Reactor Nodal Cross Sections for the Effects of Leakage and Depletion History

Author : Nathanael Harrison Hudson
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (712 download)

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Book Synopsis The Correction of Pebble Bed Reactor Nodal Cross Sections for the Effects of Leakage and Depletion History by : Nathanael Harrison Hudson

Download or read book The Correction of Pebble Bed Reactor Nodal Cross Sections for the Effects of Leakage and Depletion History written by Nathanael Harrison Hudson and published by . This book was released on 2006 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: An accurate and computationally fast method to generate nodal cross sections for the Pebble Bed Reactor (PBR) was presented. In this method, named Spectral History Correction (SHC), a set of fine group microscopic cross section libraries, pre-computed at specified depletion and moderation states, was coupled with the nodal nuclide densities and group bucklings to compute the new fine group spectrum for each node. The relevant fine group cross-section library was then recollapsed to the local broad group cross-section structure with this new fine group spectrum. This library set was tracked in terms of fuel isotopic densities. Fine group modulation factors (to correct the homogeneous flux for heterogeneous effects) and fission spectra were also stored with the cross section library. As the PBR simulation converges to a steady state fuel cycle, the initial nodal cross section library becomes inaccurate due to the burnup of the fuel and the neutron leakage into and out of the node. Because of the recirculation of discharged fuel pebbles with fresh fuel pebbles, a node can consist of a collection of pebbles at various burnup stages. To account for the nodal burnup, the microscopic cross sections were combined with nodal averaged atom densities to approximate the fine group macroscopic cross-sections for that node. These constructed, homogeneous macroscopic cross sections within the node were used to calculate a numerical solution for the fine group spectrum with B1 theory. This new fine spectrum was used to collapse the pre-computed microscopic cross section library to the broad group structure employed by the fuel cycle code. This SHC technique was developed and practically implemented as a subroutine within the PBR fuel cycle code PEBBED. The SHC subroutine was called to recalculate the broad group cross sections during the code convergence. The result was a fast method that compared favorably to the benchmark scheme of cross section calculation with the lattice cross-section generator for two PBR reactor designs.

EFFECTS OF LEAKAGE UPON EVALUATION OF FAST-REACTOR MULTIGROUP CROSS SECTIONS FOR REFLECTORS

Author :
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (16 download)

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Book Synopsis EFFECTS OF LEAKAGE UPON EVALUATION OF FAST-REACTOR MULTIGROUP CROSS SECTIONS FOR REFLECTORS by :

Download or read book EFFECTS OF LEAKAGE UPON EVALUATION OF FAST-REACTOR MULTIGROUP CROSS SECTIONS FOR REFLECTORS written by and published by . This book was released on 1966 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Handbook of Nuclear Engineering

Author : Dan Gabriel Cacuci
Publisher : Springer Science & Business Media
ISBN 13 : 0387981306
Total Pages : 3701 pages
Book Rating : 4.3/5 (879 download)

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Book Synopsis Handbook of Nuclear Engineering by : Dan Gabriel Cacuci

Download or read book Handbook of Nuclear Engineering written by Dan Gabriel Cacuci and published by Springer Science & Business Media. This book was released on 2010-09-14 with total page 3701 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is an authoritative compilation of information regarding methods and data used in all phases of nuclear engineering. Addressing nuclear engineers and scientists at all levels, this book provides a condensed reference on nuclear engineering since 1958.

Reservoir Sedimentation Handbook

Author : Gregory L. Morris
Publisher : McGraw Hill Professional
ISBN 13 : 9780070433021
Total Pages : 864 pages
Book Rating : 4.4/5 (33 download)

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Book Synopsis Reservoir Sedimentation Handbook by : Gregory L. Morris

Download or read book Reservoir Sedimentation Handbook written by Gregory L. Morris and published by McGraw Hill Professional. This book was released on 1998 with total page 864 pages. Available in PDF, EPUB and Kindle. Book excerpt: Focusing on reservoir sedimentation management and control, this work defines the nature and severity of sedimentation, reviews relevant physical processes, describes techniques used to combat sedimentation, and presents detailed case studies.

The Technological and Economic Future of Nuclear Power

Author : Reinhard Haas
Publisher : Springer
ISBN 13 : 3658259876
Total Pages : 385 pages
Book Rating : 4.6/5 (582 download)

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Book Synopsis The Technological and Economic Future of Nuclear Power by : Reinhard Haas

Download or read book The Technological and Economic Future of Nuclear Power written by Reinhard Haas and published by Springer. This book was released on 2019-01-01 with total page 385 pages. Available in PDF, EPUB and Kindle. Book excerpt: This open access book discusses the eroding economics of nuclear power for electricity generation as well as technical, legal, and political acceptance issues. The use of nuclear power for electricity generation is still a heavily disputed issue. Aside from technical risks, safety issues, and the unsolved problem of nuclear waste disposal, the economic performance is currently a major barrier. In recent years, the costs have skyrocketed especially in the European countries and North America. At the same time, the costs of alternatives such as photovoltaics and wind power have significantly decreased. Contents History and Current Status of the World Nuclear Industry The Dramatic Decrease of the Economics of Nuclear Power Nuclear Policy in the EU The Legacy of Csernobyl and Fukushima Nuclear Waste and Decommissioning of Nuclear Power Plants Alternatives: Heading Towards Sustainable Electricity Systems Target Groups Researchers and students in the fields of political, economic and technical sciences Energy (policy) experts, nuclear energy experts and practitioners, economists, engineers, consultants, civil society organizations The Editors Prof. Dr. Reinhard Haas is University Professor of energy economics at the Institute of Energy Systems and Electric Drives at Technische Universität Wien, Austria. PD Dr. Lutz Mez is Associate Professor at the Department for Political and Social Sciences of Freie Universität Berlin, Germany. PD Dr. Amela Ajanovic is a senior researcher and lecturer at the Institute of Energy Systems and Electrical Drives at Technische Universität Wien, Austria.--

Heavy Water Lattices

Author : International Atomic Energy Agency
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (52 download)

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Book Synopsis Heavy Water Lattices by : International Atomic Energy Agency

Download or read book Heavy Water Lattices written by International Atomic Energy Agency and published by . This book was released on 1960 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Thermal and Flow Design of Helium-cooled Reactors

Author : Gilbert Melese
Publisher :
ISBN 13 :
Total Pages : 444 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Thermal and Flow Design of Helium-cooled Reactors by : Gilbert Melese

Download or read book Thermal and Flow Design of Helium-cooled Reactors written by Gilbert Melese and published by . This book was released on 1984 with total page 444 pages. Available in PDF, EPUB and Kindle. Book excerpt: This source book provides both an overview of gas-cooled reactors and a detailed look at the high-temperature gas-cooled reactor (HTGR). Taking a worldwide perspective, this book reviews the early development of the HTGR and explores potential future development and applications.

Blindsight

Author : Peter Watts
Publisher : Macmillan
ISBN 13 : 1429955198
Total Pages : 388 pages
Book Rating : 4.4/5 (299 download)

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Book Synopsis Blindsight by : Peter Watts

Download or read book Blindsight written by Peter Watts and published by Macmillan. This book was released on 2006-10-03 with total page 388 pages. Available in PDF, EPUB and Kindle. Book excerpt: Hugo and Shirley Jackson award-winning Peter Watts stands on the cutting edge of hard SF with his acclaimed novel, Blindsight Two months since the stars fell... Two months of silence, while a world held its breath. Now some half-derelict space probe, sparking fitfully past Neptune's orbit, hears a whisper from the edge of the solar system: a faint signal sweeping the cosmos like a lighthouse beam. Whatever's out there isn't talking to us. It's talking to some distant star, perhaps. Or perhaps to something closer, something en route. So who do you send to force introductions with unknown and unknowable alien intellect that doesn't wish to be met? You send a linguist with multiple personalities, her brain surgically partitioned into separate, sentient processing cores. You send a biologist so radically interfaced with machinery that he sees x-rays and tastes ultrasound. You send a pacifist warrior in the faint hope she won't be needed. You send a monster to command them all, an extinct hominid predator once called vampire, recalled from the grave with the voodoo of recombinant genetics and the blood of sociopaths. And you send a synthesist—an informational topologist with half his mind gone—as an interface between here and there. Pray they can be trusted with the fate of a world. They may be more alien than the thing they've been sent to find. At the Publisher's request, this title is being sold without Digital Rights Management Software (DRM) applied.

Plentiful Energy

Author : Charles E. Till
Publisher : Createspace Independent Publishing Platform
ISBN 13 : 9781466384606
Total Pages : 0 pages
Book Rating : 4.3/5 (846 download)

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Book Synopsis Plentiful Energy by : Charles E. Till

Download or read book Plentiful Energy written by Charles E. Till and published by Createspace Independent Publishing Platform. This book was released on 2011 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Integral Fast Reactor (IFR) is a fast reactor system developed at Argonne National Laboratory in the decade 1984 to 1994. The IFR project developed the technology for a complete system; the reactor, the entire fuel cycle and the waste management technologies were all included in the development program. The reactor concept had important features and characteristics that were completely new and fuel cycle and waste management technologies that were entirely new developments. The reactor is a "fast" reactor - that is, the chain reaction is maintained by "fast" neutrons with high energy - which produces its own fuel. The IFR reactor and associated fuel cycle is a closed system. Electrical power is generated, new fissile fuel is produced to replace the fuel burned, its used fuel is processed for recycling by pyroprocessing - a new development - and waste is put in final form for disposal. All this is done on one self-sufficient site.The scale and duration of the project and its funding made it the largest nuclear energy R and D program of its day. Its purpose was the development of a long term massive new energy source, capable of meeting the nation's electrical energy needs in any amount, and for as long as it is needed, forever, if necessary. Safety, non-proliferation and waste toxicity properties were improved as well, these three the characteristics most commonly cited in opposition to nuclear power.Development proceeded from success to success. Most of the development had been done when the program was abruptly cancelled by the newly elected Clinton Administration. In his 1994 State of the Union address the president stated that "unnecessary programs in advanced reactor development will be terminated." The IFR was that program.This book gives the real story of the IFR, written by the two nuclear scientists who were most deeply involved in its conception, the development of its R and D program, and its management.Between the scientific and engineering papers and reports, and books on the IFR, and the non-technical and often impassioned dialogue that continues to this day on fast reactor technology, we felt there is room for a volume that, while accurate technically, is written in a manner accessible to the non-specialist and even to the non-technical reader who simply wants to know what this technology is.

NUREG/CR.

Author : U.S. Nuclear Regulatory Commission
Publisher :
ISBN 13 :
Total Pages : 48 pages
Book Rating : 4.:/5 (319 download)

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Book Synopsis NUREG/CR. by : U.S. Nuclear Regulatory Commission

Download or read book NUREG/CR. written by U.S. Nuclear Regulatory Commission and published by . This book was released on 1977 with total page 48 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Effect of Heavy Metal Pollution on Plants

Author : N. W. Lepp
Publisher : Springer Science & Business Media
ISBN 13 : 9401173397
Total Pages : 360 pages
Book Rating : 4.4/5 (11 download)

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Book Synopsis Effect of Heavy Metal Pollution on Plants by : N. W. Lepp

Download or read book Effect of Heavy Metal Pollution on Plants written by N. W. Lepp and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 360 pages. Available in PDF, EPUB and Kindle. Book excerpt: Trace metals occur as natural constituents of the earth's crust, and are ever present constituents of soils, natural waters and living matter. The biological significance of this disparate assemblage of elements has gradually been uncovered during the twentieth century; the resultant picture is one of ever-increasing complexity. Several of these elements have been demonstrated to be essential to the functions of living organisms, others appear to only interact with living matter in a toxic manner, whilst an ever-decreasing number do not fall conveniently into either category. When the interactions between trace metals and plants are considered, one must take full account of the known chemical properties of each element. Consideration must be given to differences in chemical reactivity, solubility and to interactions with other inorganic and organic molecules. A clear understanding of the basic chemical properties of an element of interest is an essential pre-requisite to any subsequent consideration of its biological significance. Due consideration to basic chemical considerations is a theme which runs through the collection of chapters in both volumes.

Nuclear Reactor Physics

Author : Weston M. Stacey
Publisher : John Wiley & Sons
ISBN 13 : 352781230X
Total Pages : 766 pages
Book Rating : 4.5/5 (278 download)

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Book Synopsis Nuclear Reactor Physics by : Weston M. Stacey

Download or read book Nuclear Reactor Physics written by Weston M. Stacey and published by John Wiley & Sons. This book was released on 2018-02-07 with total page 766 pages. Available in PDF, EPUB and Kindle. Book excerpt: The third, revised edition of this popular textbook and reference, which has been translated into Russian and Chinese, expands the comprehensive and balanced coverage of nuclear reactor physics to include recent advances in understanding of this topic. The first part of the book covers basic reactor physics, including, but not limited to nuclear reaction data, neutron diffusion theory, reactor criticality and dynamics, neutron energy distribution, fuel burnup, reactor types and reactor safety. The second part then deals with such physically and mathematically more advanced topics as neutron transport theory, neutron slowing down, resonance absorption, neutron thermalization, perturbation and variational methods, homogenization, nodal and synthesis methods, and space-time neutron dynamics. For ease of reference, the detailed appendices contain nuclear data, useful mathematical formulas, an overview of special functions as well as introductions to matrix algebra and Laplace transforms. With its focus on conveying the in-depth knowledge needed by advanced student and professional nuclear engineers, this text is ideal for use in numerous courses and for self-study by professionals in basic nuclear reactor physics, advanced nuclear reactor physics, neutron transport theory, nuclear reactor dynamics and stability, nuclear reactor fuel cycle physics and other important topics in the field of nuclear reactor physics.

Water, Energy, and Environment – A Primer

Author : Allan R. Hoffman
Publisher : IWA Publishing
ISBN 13 : 1780409648
Total Pages : 216 pages
Book Rating : 4.7/5 (84 download)

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Book Synopsis Water, Energy, and Environment – A Primer by : Allan R. Hoffman

Download or read book Water, Energy, and Environment – A Primer written by Allan R. Hoffman and published by IWA Publishing. This book was released on 2019-02-15 with total page 216 pages. Available in PDF, EPUB and Kindle. Book excerpt: 'We are experiencing the beginning of an energy revolution in these early years of the 21st century.' Water, Energy, and Environment - A Primer provides an introduction to, and explanation of, this revolution.

Numerical Methods in the Theory of Neutron Transport

Author : Guriĭ Ivanovich Marchuk
Publisher : Harwood Academic Publishers
ISBN 13 :
Total Pages : 632 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Numerical Methods in the Theory of Neutron Transport by : Guriĭ Ivanovich Marchuk

Download or read book Numerical Methods in the Theory of Neutron Transport written by Guriĭ Ivanovich Marchuk and published by Harwood Academic Publishers. This book was released on 1986 with total page 632 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Handbook of Single-Phase Convective Heat Transfer

Author : Sadik Kakaç
Publisher : Wiley-Interscience
ISBN 13 :
Total Pages : 1268 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Handbook of Single-Phase Convective Heat Transfer by : Sadik Kakaç

Download or read book Handbook of Single-Phase Convective Heat Transfer written by Sadik Kakaç and published by Wiley-Interscience. This book was released on 1987-11-03 with total page 1268 pages. Available in PDF, EPUB and Kindle. Book excerpt: Very Good,No Highlights or Markup,all pages are intact.

Challenges for Coolants in Fast Neutron Spectrum Systems

Author : International Atomic Energy Agency
Publisher :
ISBN 13 : 9789201078209
Total Pages : 268 pages
Book Rating : 4.0/5 (782 download)

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Book Synopsis Challenges for Coolants in Fast Neutron Spectrum Systems by : International Atomic Energy Agency

Download or read book Challenges for Coolants in Fast Neutron Spectrum Systems written by International Atomic Energy Agency and published by . This book was released on 2020-07-30 with total page 268 pages. Available in PDF, EPUB and Kindle. Book excerpt: This publication evaluates the different coolant options considered for nuclear applications with a fast neutron spectrum (i.e. fusion, fission and accelerators), compiles the latest information in the field and identifies research needs.

Applications of Research Reactors

Author : International Atomic Energy Agency
Publisher : International Atomic Energy Agency
ISBN 13 : 9789201450104
Total Pages : 108 pages
Book Rating : 4.4/5 (51 download)

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Book Synopsis Applications of Research Reactors by : International Atomic Energy Agency

Download or read book Applications of Research Reactors written by International Atomic Energy Agency and published by International Atomic Energy Agency. This book was released on 2014 with total page 108 pages. Available in PDF, EPUB and Kindle. Book excerpt: This publication is a comprehensive study that reviews the current situation in a great number of applications of research reactors. It revises the contents of IAEA TECDOC-1234, The Applications of Research Reactors, giving detailed updates on each field of research reactor uses worldwide. Reactors of all sizes and capabilities can benefit from the sharing of current practices and research enabled via this updated version, which describes the requirements for practicing methods as diverse as neutron activation analysis, education and training, neutron scattering and neutron imaging, silicon doping and radioisotope production, material/fuel irradiation and testing, and some others. Many underutilised research reactors can learn how to diversify their technical capabilities, staff and potential commercial partners and users seeking research reactor services and products. The content of the publication has also been strengthened in terms of current issues facing the vast majority of research reactors by including sections describing user and customer relations as well as strategic planning considerations.