Neutron-based Measurements for Nondestructive Assay of Minor Actinides Produced in Nuclear Power Reactors

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Publisher :
ISBN 13 :
Total Pages : 16 pages
Book Rating : 4.:/5 (684 download)

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Book Synopsis Neutron-based Measurements for Nondestructive Assay of Minor Actinides Produced in Nuclear Power Reactors by :

Download or read book Neutron-based Measurements for Nondestructive Assay of Minor Actinides Produced in Nuclear Power Reactors written by and published by . This book was released on 1996 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt: Because of their impacts on long-term storage of high-level radioactive waste and their value as nuclear fuels, measurement and accounting of the minor actinides produced in nuclear power reactors are becoming significant issues. This paper briefly reviews the commercial nuclear fuel cycle with emphasis on reprocessing plants and key measurement points therein. Neutron signatures and characteristics are compared and contrasted for special nuclear materials (SNMs) and minor actinides (MAs). The paper focuses on application of neutron-based nondestructive analysis (NDA) methods that can be extended for verification of MAs. We describe current IAEA methods for NDA of SNMs and extension of these methods to satisfy accounting requirements for MAs in reprocessing plant dissolver solutions, separated products, and high-level waste. Recommendations for further systems studies and development of measurement methods are also included.

Nondestructive Assay of Nuclear Materials for Safeguards and Security

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Publisher : Springer
ISBN 13 : 9783031582769
Total Pages : 0 pages
Book Rating : 4.5/5 (827 download)

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Book Synopsis Nondestructive Assay of Nuclear Materials for Safeguards and Security by : William H. Geist

Download or read book Nondestructive Assay of Nuclear Materials for Safeguards and Security written by William H. Geist and published by Springer. This book was released on 2024-08-07 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This open access book describes the nondestructive assay techniques that are used for the measurement of nuclear material (primarily uranium and plutonium) for nuclear material accountancy purposes. It is a substantial revision to the so-called PANDA manual that has been a standard reference since its publication in 1991. The book covers the origin and interactions of gamma rays and neutrons as they affect nuclear measurements and also describes the theory and practice of calorimetry. The book gives a description of many instruments based on these techniques that are applied in the field. Although the basic physics has not changed since PANDA was first published, the last thirty years have seen many advances in analysis methods, instrumentation, and applications. The basic descriptions of the origin and interactions of radiation have been updated and include newer references. There have been extensive revisions of the description of gamma detection methods, attenuation correction procedures, and analysis methods, including for the measurement of uranium enrichment and the determination of plutonium isotopic composition. Extensive revisions and additions have also been made to the description of neutron detectors and to the explanation of neutron coincidence techniques. The chapter on neutron multiplicity techniques is a new addition to this edition. The applications of gamma and neutron techniques have been completely overhauled to remove obsolete systems and to include many current applications. The values of, and references to, nuclear data have been updated. This updated edition is an essential reference for academic researchers and practitioners in the field. This is an open access book.

Actinide Targets for Neutron Cross Section Measurements (C).

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ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (871 download)

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Book Synopsis Actinide Targets for Neutron Cross Section Measurements (C). by :

Download or read book Actinide Targets for Neutron Cross Section Measurements (C). written by and published by . This book was released on 2006 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The Advanced Fuel Cycle Initiative (AFCI) and the Generation IV Reactor Initiative have demonstrated a lack of detailed neutron cross-sections for certain "minor" actinides, those other than the most common (235U, 238U, and 239Pu). For some closed-fuel-cycle reactor designs more than 50% of reactivity will, at some point, be derived from "minor" actinides that currently have poorly known (n, g) and (n, f) cross sections. A program of measurements under AFCI has begun to correct this. One of the initial hurdles has been to produce well-characterized, highly isotopically enriched, and chemically pure actinide targets on thin backings. Using a combination of resurrected techniques and new developments, we have made a series of targets including highly enriched 240Pu, and 242Pu. Thus far, we have electrodeposited these actinide targets. In the future, we plan to study reductive distillation to achieve homogeneous, adherent targets on thin metal foils and polymer backings. As we move forward, separated isotopes become scarcer, and safety concerns become greater. The chemical purification and electodeposition techniques will be described.

Neutron Generators for Analytical Purposes

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Publisher : IAEA Radiation Technology Repo
ISBN 13 : 9789201251107
Total Pages : 145 pages
Book Rating : 4.2/5 (511 download)

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Book Synopsis Neutron Generators for Analytical Purposes by : International Atomic Energy Agency

Download or read book Neutron Generators for Analytical Purposes written by International Atomic Energy Agency and published by IAEA Radiation Technology Repo. This book was released on 2012 with total page 145 pages. Available in PDF, EPUB and Kindle. Book excerpt: This publication addresses recent developments in neutron generator (NG) technology. It presents information on compact instruments with high neutron yield to be used for neutron activation analysis (NAA) and prompt gamma neutron activation analysis in combination with high count rate spectrometers. Traditional NGs have been shown to be effective for applications including borehole logging, homeland security, nuclear medicine and the on-line analysis of aluminium, coal and cement. Pulsed fast thermal neutron analysis, as well as tagged and timed neutron analysis, are additional techniques which can be applied using NG. Furthermore, NG can effectively be used for elemental analysis and is also effective for analysis of hidden materials by neutron radiography. Useful guidelines for developing NG based research laboratories are also provided in this publication.

Active Nondestructive Assay of Nuclear Materials

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Publisher :
ISBN 13 :
Total Pages : 416 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Active Nondestructive Assay of Nuclear Materials by : Tsahi Gozani

Download or read book Active Nondestructive Assay of Nuclear Materials written by Tsahi Gozani and published by . This book was released on 1981 with total page 416 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Safeguards Techniques and Equipment

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Publisher :
ISBN 13 : 9789201189103
Total Pages : 146 pages
Book Rating : 4.1/5 (891 download)

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Book Synopsis Safeguards Techniques and Equipment by : International Atomic Energy Agency

Download or read book Safeguards Techniques and Equipment written by International Atomic Energy Agency and published by . This book was released on 2011 with total page 146 pages. Available in PDF, EPUB and Kindle. Book excerpt: The 1990s saw significant developments in the global non-proliferation landscape, resulting in a new period of safeguards development. The current publication, which is the second revision and update of IAEA/NVS/1, is intended to give a full and balanced description of the safeguards techniques and equipment used for nuclear material accountancy, containment and surveillance measures, environmental sampling, and data security. New features include a section on new and novel technologies. As new verification measures continue to be developed, the material in this book will be reviewed periodically and updated versions issued.

Strategy and Methodology for Radioactive Waste Characterization

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Publisher : IAEA
ISBN 13 :
Total Pages : 188 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Strategy and Methodology for Radioactive Waste Characterization by : International Atomic Energy Agency

Download or read book Strategy and Methodology for Radioactive Waste Characterization written by International Atomic Energy Agency and published by IAEA. This book was released on 2007 with total page 188 pages. Available in PDF, EPUB and Kindle. Book excerpt: Over the past decade significant progress has been achieved in the development of waste characterization and control procedures and equipment as a direct response to ever-increasing requirements for quality and reliability of information on waste characteristics. Failure in control procedures at any step can have important, adverse consequences and may result in producing waste packages which are not compliant with the waste acceptance criteria for disposal, thereby adversely impacting the repository. The information and guidance included in this publication corresponds to recent achievements and reflects the optimum approaches, thereby reducing the potential for error and enhancing the quality of the end product. -- Publisher's description.

Disposition of High-Level Waste and Spent Nuclear Fuel

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Publisher : National Academies Press
ISBN 13 : 0309073170
Total Pages : 215 pages
Book Rating : 4.3/5 (9 download)

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Book Synopsis Disposition of High-Level Waste and Spent Nuclear Fuel by : National Research Council

Download or read book Disposition of High-Level Waste and Spent Nuclear Fuel written by National Research Council and published by National Academies Press. This book was released on 2001-07-05 with total page 215 pages. Available in PDF, EPUB and Kindle. Book excerpt: Focused attention by world leaders is needed to address the substantial challenges posed by disposal of spent nuclear fuel from reactors and high-level radioactive waste from processing such fuel. The biggest challenges in achieving safe and secure storage and permanent waste disposal are societal, although technical challenges remain. Disposition of radioactive wastes in a deep geological repository is a sound approach as long as it progresses through a stepwise decision-making process that takes advantage of technical advances, public participation, and international cooperation. Written for concerned citizens as well as policymakers, this book was sponsored by the U.S. Department of Energy, U.S. Nuclear Regulatory Commission, and waste management organizations in eight other countries.

Measurements of Neutron Nuclear Data of Actinides

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Publisher :
ISBN 13 :
Total Pages : 37 pages
Book Rating : 4.:/5 (812 download)

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Book Synopsis Measurements of Neutron Nuclear Data of Actinides by : International Atomic Energy Agency. International Nuclear Data Committee

Download or read book Measurements of Neutron Nuclear Data of Actinides written by International Atomic Energy Agency. International Nuclear Data Committee and published by . This book was released on 1994 with total page 37 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Applications of Research Reactors

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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.

Actinide Targets for Neutron Cross Section Measurements

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Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (316 download)

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Book Synopsis Actinide Targets for Neutron Cross Section Measurements by : John D. Baker

Download or read book Actinide Targets for Neutron Cross Section Measurements written by John D. Baker and published by . This book was released on 2006 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The Advanced Fuel Cycle Initiative (AFCI) and the Generation IV Reactor Initiative have demonstrated a lack of detailed neutron cross-sections for certain "minor" actinides, those other than the most common (235U, 238U, and 239Pu). For some closed-fuel-cycle reactor designs more than 50% of reactivity will, at some point, be derived from "minor" actinides that currently have poorly known or in some cases not measured (n,?) and (n, f) cross sections. A program of measurements under AFCI has begun to correct this. One of the initial hurdles has been to produce well-characterized, highly isotopically enriched, and chemically pure actinide targets on thin backings. Using a combination of resurrected techniques and new developments, we have made a series of targets including highly enriched 239Pu, 240Pu, and 242Pu. Thus far, we have electrodeposited these actinide targets. In the future, we plan to study reductive distillation to achieve homogeneous, adherent targets on thin metal foils and polymer backings. As we move forward, separated isotopes become scarcer, and safety concerns become greater. The chemical purification and electodeposition techniques will be described.

RENDA 72 (non-EANDC)

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

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Book Synopsis RENDA 72 (non-EANDC) by : International Atomic Energy Agency. Nuclear Data Section. International Nuclear Data Committee

Download or read book RENDA 72 (non-EANDC) written by International Atomic Energy Agency. Nuclear Data Section. International Nuclear Data Committee and published by . This book was released on 1972 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Neutron Measurements Around Nuclear Reactors

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Publisher :
ISBN 13 :
Total Pages : 9 pages
Book Rating : 4.:/5 (929 download)

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Book Synopsis Neutron Measurements Around Nuclear Reactors by : J. W. Leake

Download or read book Neutron Measurements Around Nuclear Reactors written by J. W. Leake and published by . This book was released on 1967 with total page 9 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Radiological Characterization of Shut Down Nuclear Reactors for Decommissioning Purposes

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Publisher :
ISBN 13 :
Total Pages : 204 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Radiological Characterization of Shut Down Nuclear Reactors for Decommissioning Purposes by : International Atomic Energy Agency

Download or read book Radiological Characterization of Shut Down Nuclear Reactors for Decommissioning Purposes written by International Atomic Energy Agency and published by . This book was released on 1998 with total page 204 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report describes and assesses radiological characterization as a precursor to decommissioning. It shows the influence of the radioactive inventory on the planning and strategies of decommissioning and also presents an extensive overview of characterization results on various reactors which have been or are being decommissioned.

Passive Nondestructive Assay of Nuclear Materials

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Publisher :
ISBN 13 : 9780160327247
Total Pages : 700 pages
Book Rating : 4.3/5 (272 download)

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Book Synopsis Passive Nondestructive Assay of Nuclear Materials by : Doug Reilly

Download or read book Passive Nondestructive Assay of Nuclear Materials written by Doug Reilly and published by . This book was released on 1991 with total page 700 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Standard Guide for Nondestructive Assay of Special Nuclear Material SNM Holdup Using Passive Neutron Measurement Methods

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Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (14 download)

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Book Synopsis Standard Guide for Nondestructive Assay of Special Nuclear Material SNM Holdup Using Passive Neutron Measurement Methods by :

Download or read book Standard Guide for Nondestructive Assay of Special Nuclear Material SNM Holdup Using Passive Neutron Measurement Methods written by and published by . This book was released on with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Nuclear Energy Today

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Publisher : OECD
ISBN 13 :
Total Pages : 120 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Nuclear Energy Today by : OECD Nuclear Energy Agency

Download or read book Nuclear Energy Today written by OECD Nuclear Energy Agency and published by OECD. This book was released on 2003 with total page 120 pages. Available in PDF, EPUB and Kindle. Book excerpt: As energy demand increases in line with the expansion of the world's leading economies and the growth of developing economies, a key challenge remains of how to provide the energy levels required while protecting our environment and conserving natural resources. Nuclear energy is a complex and controversial technology but also has the potential to provide considerable benefits. This publication explores a range of issues involved in the use of nuclear energy, including safety aspects, whether its use is economically competitive, its role in meeting greenhouse gas reduction targets, how to manage the radioactive waste it generates, whether its use increase the risk of proliferation of nuclear weapons, security of resources, and its potential role in the future.