Fission Product Sic Reaction In Htgr Fuel

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Fission-product SiC Reaction in HTGR Fuel

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

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Book Synopsis Fission-product SiC Reaction in HTGR Fuel by :

Download or read book Fission-product SiC Reaction in HTGR Fuel written by and published by . This book was released on 1981 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The primary barrier to release of fission product from any of the fuel types into the primary circuit of the HTGR are the coatings on the fuel particles. Both pyrolytic carbon and silicon carbide coatings are very effective in retaining fission gases under normal operating conditions. One of the possible performance limitations which has been observed in irradiation tests of TRISO fuel is chemical interaction of the SiC layer with fission products. This reaction reduces the thickness of the SiC layer in TRISO particles and can lead to release of fission products from the particles if the SiC layer is completely penetrated. The experimental section of this report describes the results of work at General Atomic concerning the reaction of fission products with silicon carbide. The discussion section describes data obtained by various laboratories and includes (1) a description of the fission products which have been found to react with SiC; (2) a description of the kinetics of silicon carbide thinning caused by fission product reaction during out-of-pile thermal gradient heating and the application of these kinetics to in-pile irradiation; and (3) a comparison of silicon carbide thinning in LEU and HEU fuels.

Irradiation Behavior of Pyrolytic Silicon Carbide. [HTGR].

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ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (727 download)

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Book Synopsis Irradiation Behavior of Pyrolytic Silicon Carbide. [HTGR]. by :

Download or read book Irradiation Behavior of Pyrolytic Silicon Carbide. [HTGR]. written by and published by . This book was released on 1983 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Fuel particles for the High-Temperature Gas-Cooled Reactor (HTGR) contain a layer of pyrolytic silicon carbide to act as a miniature pressure vessel and primary fission-product barrier. Optimization of the SiC with respect to fuel performance involves four areas of study: characterization of as-deposited SiC coatings; thermodynamics and kinetics of chemical reactions between SiC and fission products; irradiation behavior of SiC in the absence of fission products; and combined effects of irradiation and fission products. This paper reports the behavior of SiC deposited on inert microspheres and irradiated to fast-neutron fluences typical of HTGR fuel at end-of-life.

Simulated Fission Product-SiC Interaction in Triso-coated LEU Or MEU HTGR Fuel Particles

Author : R. L. Pearson
Publisher :
ISBN 13 :
Total Pages : 71 pages
Book Rating : 4.:/5 (19 download)

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Book Synopsis Simulated Fission Product-SiC Interaction in Triso-coated LEU Or MEU HTGR Fuel Particles by : R. L. Pearson

Download or read book Simulated Fission Product-SiC Interaction in Triso-coated LEU Or MEU HTGR Fuel Particles written by R. L. Pearson and published by . This book was released on 1980 with total page 71 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Irradiation Performance of Pyrolytic Silicon Carbide Coatings on Fissile Fuel Particles

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Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (727 download)

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Book Synopsis Irradiation Performance of Pyrolytic Silicon Carbide Coatings on Fissile Fuel Particles by :

Download or read book Irradiation Performance of Pyrolytic Silicon Carbide Coatings on Fissile Fuel Particles written by and published by . This book was released on 1984 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Fuel particles for the High Temperature Gas-Cooled Reactor (HTGR) contain a layer of pyrolytic silicon carbide to act as a miniature pressure vessel and primary fission product barrier. Optimization of the SiC coating with respect to fuel performance involves four areas of study: (a) characterization of as-deposited SiC coatings; (b) thermodynamics and kinetics of chemical reactions between SiC and fission products; (c) irradiation behavior of SiC in the absence of fission products; and (d) the combined effects of irradiation and fission product interactions. This paper reports the behavior of SiC deposited on fissile fuel particles and irradiated to fast neutron fluences typical of HTGR fuel at end-of-life.

Comprehensive Nuclear Materials

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Publisher : Elsevier
ISBN 13 : 0081028660
Total Pages : 4871 pages
Book Rating : 4.0/5 (81 download)

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Book Synopsis Comprehensive Nuclear Materials by :

Download or read book Comprehensive Nuclear Materials written by and published by Elsevier. This book was released on 2020-07-22 with total page 4871 pages. Available in PDF, EPUB and Kindle. Book excerpt: Materials in a nuclear environment are exposed to extreme conditions of radiation, temperature and/or corrosion, and in many cases the combination of these makes the material behavior very different from conventional materials. This is evident for the four major technological challenges the nuclear technology domain is facing currently: (i) long-term operation of existing Generation II nuclear power plants, (ii) the design of the next generation reactors (Generation IV), (iii) the construction of the ITER fusion reactor in Cadarache (France), (iv) and the intermediate and final disposal of nuclear waste. In order to address these challenges, engineers and designers need to know the properties of a wide variety of materials under these conditions and to understand the underlying processes affecting changes in their behavior, in order to assess their performance and to determine the limits of operation. Comprehensive Nuclear Materials, Second Edition, Seven Volume Set provides broad ranging, validated summaries of all the major topics in the field of nuclear material research for fission as well as fusion reactor systems. Attention is given to the fundamental scientific aspects of nuclear materials: fuel and structural materials for fission reactors, waste materials, and materials for fusion reactors. The articles are written at a level that allows undergraduate students to understand the material, while providing active researchers with a ready reference resource of information. Most of the chapters from the first Edition have been revised and updated and a significant number of new topics are covered in completely new material. During the ten years between the two editions, the challenge for applications of nuclear materials has been significantly impacted by world events, public awareness, and technological innovation. Materials play a key role as enablers of new technologies, and we trust that this new edition of Comprehensive Nuclear Materials has captured the key recent developments. Critically reviews the major classes and functions of materials, supporting the selection, assessment, validation and engineering of materials in extreme nuclear environments Comprehensive resource for up-to-date and authoritative information which is not always available elsewhere, even in journals Provides an in-depth treatment of materials modeling and simulation, with a specific focus on nuclear issues Serves as an excellent entry point for students and researchers new to the field

Energy Research Abstracts

Author :
Publisher :
ISBN 13 :
Total Pages : 1332 pages
Book Rating : 4.U/5 (183 download)

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Book Synopsis Energy Research Abstracts by :

Download or read book Energy Research Abstracts written by and published by . This book was released on 1989 with total page 1332 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Advances in High Temperature Gas Cooled Reactor Fuel Technology

Author : International Atomic Energy Agency
Publisher :
ISBN 13 : 9789201253101
Total Pages : 639 pages
Book Rating : 4.2/5 (531 download)

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Book Synopsis Advances in High Temperature Gas Cooled Reactor Fuel Technology by : International Atomic Energy Agency

Download or read book Advances in High Temperature Gas Cooled Reactor Fuel Technology written by International Atomic Energy Agency and published by . This book was released on 2012-06 with total page 639 pages. Available in PDF, EPUB and Kindle. Book excerpt: This publication reports on the results of a coordinated research project on advances in high temperature gas cooled reactor (HTGR) fuel technology and describes the findings of research activities on coated particle developments. These comprise two specific benchmark exercises with the application of HTGR fuel performance and fission product release codes, which helped compare the quality and validity of the computer models against experimental data. The project participants also examined techniques for fuel characterization and advanced quality assessment/quality control. The key exercise included a round-robin experimental study on the measurements of fuel kernel and particle coating properties of recent Korean, South African and US coated particle productions applying the respective qualification measures of each participating Member State. The summary report documents the results and conclusions achieved by the project and underlines the added value to contemporary knowledge on HTGR fuel.

Evaluation of High Temperature Gas Cooled Reactor Fuel Particle Coating Failure Models and Data

Author : Michael Tokar
Publisher :
ISBN 13 :
Total Pages : 136 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Evaluation of High Temperature Gas Cooled Reactor Fuel Particle Coating Failure Models and Data by : Michael Tokar

Download or read book Evaluation of High Temperature Gas Cooled Reactor Fuel Particle Coating Failure Models and Data written by Michael Tokar and published by . This book was released on 1976 with total page 136 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Interaction of Noble-metal Fission Products with Pyrolytic Silicon Carbide

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Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (727 download)

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Book Synopsis Interaction of Noble-metal Fission Products with Pyrolytic Silicon Carbide by :

Download or read book Interaction of Noble-metal Fission Products with Pyrolytic Silicon Carbide written by and published by . This book was released on 1982 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Fuel particles for the High-Temperature Gas-Cooled Reactor (HTGR) contain layers of pyrolytic carbon and silicon carbide, which act as a miniature pressure vessel and form the primary fission product barrier. Of the many fission products formed during irradiation, the noble metals are of particular interest because they interact significantly with the SiC layer and their concentrations are somewhat higher in the low-enriched uranium fuels currently under consideration. To study fission product-SiC interactions, particles of UO2 or UC2 are doped with fission product elements before coating and are then held in a thermal gradient up to several thousand hours. Examination of the SiC coatings by TEM-AEM after annealing shows that silver behaves differently from the palladium group.

Nuclear Energy for Hydrogen Production

Author : Karl Verfondern
Publisher : Forschungszentrum Jülich
ISBN 13 : 3893364684
Total Pages : 199 pages
Book Rating : 4.8/5 (933 download)

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Book Synopsis Nuclear Energy for Hydrogen Production by : Karl Verfondern

Download or read book Nuclear Energy for Hydrogen Production written by Karl Verfondern and published by Forschungszentrum Jülich. This book was released on 2007 with total page 199 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Storage and Hybridization of Nuclear Energy

Author : Hitesh Bindra
Publisher : Academic Press
ISBN 13 : 0128139765
Total Pages : 300 pages
Book Rating : 4.1/5 (281 download)

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Book Synopsis Storage and Hybridization of Nuclear Energy by : Hitesh Bindra

Download or read book Storage and Hybridization of Nuclear Energy written by Hitesh Bindra and published by Academic Press. This book was released on 2018-11-22 with total page 300 pages. Available in PDF, EPUB and Kindle. Book excerpt: Storage and Hybridization of Nuclear Energy: Techno-economic Integration of Renewable and Nuclear Energy provides a unique analysis of the storage and hybridization of nuclear and renewable energy. Editor Bindra and his team of expert contributors present various global methodologies to obtain the techno-economic feasibility of the integration of storage or hybrid cycles in nuclear power plants. Aimed at those studying, researching and working in the nuclear engineering field, this book offers nuclear reactor technology vendors, nuclear utilities workers and regulatory commissioners a very unique resource on how to access reliable, flexible and clean energy from variable-generation. Presents a unique view on the technologies and systems available to integrate renewables and nuclear energy Provides insights into the different methodologies and technologies currently available for the storage of energy Includes case studies from well-known experts working on specific integration concepts around the world

Proceedings of the Third Japan-U.S. Seminar on HTGR Safety Technology, June 2-3, 1982, Brookhaven National Laboratory, Upton, New York 11973

Author :
Publisher :
ISBN 13 :
Total Pages : 414 pages
Book Rating : 4.:/5 ( download)

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Book Synopsis Proceedings of the Third Japan-U.S. Seminar on HTGR Safety Technology, June 2-3, 1982, Brookhaven National Laboratory, Upton, New York 11973 by :

Download or read book Proceedings of the Third Japan-U.S. Seminar on HTGR Safety Technology, June 2-3, 1982, Brookhaven National Laboratory, Upton, New York 11973 written by and published by . This book was released on 1983 with total page 414 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Ceramics in Nuclear Applications, Volume 30, Issue 10

Author : Yutai Katoh
Publisher : John Wiley & Sons
ISBN 13 : 0470583991
Total Pages : 218 pages
Book Rating : 4.4/5 (75 download)

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Book Synopsis Ceramics in Nuclear Applications, Volume 30, Issue 10 by : Yutai Katoh

Download or read book Ceramics in Nuclear Applications, Volume 30, Issue 10 written by Yutai Katoh and published by John Wiley & Sons. This book was released on 2009-12-22 with total page 218 pages. Available in PDF, EPUB and Kindle. Book excerpt: Provides a useful one-stop resource for understanding the most valuable aspects of ceramics in nuclear applications.

Behavior of Fission Product Gases in HTGR Fuel Material

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Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (727 download)

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Book Synopsis Behavior of Fission Product Gases in HTGR Fuel Material by :

Download or read book Behavior of Fission Product Gases in HTGR Fuel Material written by and published by . This book was released on 1977 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: This document is a status report on experimental data relating to the behavior of fission product gases in HTGR fuel material. It contains (1) a review of published experimental data on the behavior of gaseous fission products (noble gases, halogens, and related elements) in HTGR fuel materials and (2) new data on fission gas behavior. From the experimental data, the effects of fission product element, fuel configuration, nuclide half-life, temperature, pressure, neutron flux, neutron fluence, and fuel hydrolysis on fission gas release are deduced. Also on the basis of the experimental data, a model is formulated for the release of fission gases from fuel rods. The data presented in this report are being confirmed and extended through continuing work at General Atomic and other laboratories.

Fission product behavior in HTGR fuel particles made from weak-acid resins

Author : T. N. Tiegs
Publisher :
ISBN 13 :
Total Pages : 51 pages
Book Rating : 4.:/5 (621 download)

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Book Synopsis Fission product behavior in HTGR fuel particles made from weak-acid resins by : T. N. Tiegs

Download or read book Fission product behavior in HTGR fuel particles made from weak-acid resins written by T. N. Tiegs and published by . This book was released on 1979 with total page 51 pages. Available in PDF, EPUB and Kindle. Book excerpt:

High-quality Thorium TRISO Fuel Performance in HTGRs

Author :
Publisher : Forschungszentrum Jülich
ISBN 13 : 3893368736
Total Pages : 127 pages
Book Rating : 4.8/5 (933 download)

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Book Synopsis High-quality Thorium TRISO Fuel Performance in HTGRs by :

Download or read book High-quality Thorium TRISO Fuel Performance in HTGRs written by and published by Forschungszentrum Jülich. This book was released on 2013 with total page 127 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Ceramic Materials

Author : C. Barry Carter
Publisher : Springer Science & Business Media
ISBN 13 : 1461435234
Total Pages : 775 pages
Book Rating : 4.4/5 (614 download)

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Book Synopsis Ceramic Materials by : C. Barry Carter

Download or read book Ceramic Materials written by C. Barry Carter and published by Springer Science & Business Media. This book was released on 2013-01-04 with total page 775 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ceramic Materials: Science and Engineering is an up-to-date treatment of ceramic science, engineering, and applications in a single, comprehensive text. Building on a foundation of crystal structures, phase equilibria, defects, and the mechanical properties of ceramic materials, students are shown how these materials are processed for a wide diversity of applications in today's society. Concepts such as how and why ions move, how ceramics interact with light and magnetic fields, and how they respond to temperature changes are discussed in the context of their applications. References to the art and history of ceramics are included throughout the text, and a chapter is devoted to ceramics as gemstones. This course-tested text now includes expanded chapters on the role of ceramics in industry and their impact on the environment as well as a chapter devoted to applications of ceramic materials in clean energy technologies. Also new are expanded sets of text-specific homework problems and other resources for instructors. The revised and updated Second Edition is further enhanced with color illustrations throughout the text.