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Irradiated Fuel Examination And Measurement
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Book Synopsis Irradiated Fuel Examination and Measurement by :
Download or read book Irradiated Fuel Examination and Measurement written by and published by . This book was released on 1969 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Underwater examinations and measurements of large quantities of irradiated fuel elements are performed at Hanford by the Fuel and Target Irradiation Technology Subsection of Douglas United Nuclear, Inc. In addition to special studies routine data are collected that include measurements of weight, length, inside and outside diameters, corrosion profiles and ultrasonic scanning. Over 7000 of these examinations and measurements are performed each month in support of programs to improve reactor operating parameters and fuel designs. A facility consisting of four underwater basins has been used to examine fuel elements from the older Hanford reactors since 1956; a separate facility was installed with the new N Reactor and is used for examinations and measurements of N fuels only. The large quantity of data from these facilities is occasionally supplemented by hot cell studies. This report emphasizes two measuring techniques that approach a "zero wear" concept with respect to reliability in hostile environments. They are applicable to postirradiation measurements of test capsules. (auth).
Author :International Atomic Energy Agency Publisher :International Atomic Energy Agency ISBN 13 :9789201627094 Total Pages : pages Book Rating :4.6/5 (27 download)
Book Synopsis Post-irradiation Examination and In-pile Measurement Techniques for Water Reactor Fuels by : International Atomic Energy Agency
Download or read book Post-irradiation Examination and In-pile Measurement Techniques for Water Reactor Fuels written by International Atomic Energy Agency and published by International Atomic Energy Agency. This book was released on 2010-02-01 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: This publication represents a summary and proceedings of two technical meetings on the subjects of 1) hot cell post-irradiation examination (PIE) techniques and poolside inspection of water reactor fuel assemblies, and 2) fuel rod instrumentation and in-pile measurement techniques. It provides an overview of the status of in-pile and post-irradiation techniques of water reactor fuel examination with an emphasis on experimental methods applied to high burnup fuel. Further important items addressed at these meetings were the information on progress achieved in non-destructive and destructive PIE techniques used for investigation of water reactor fuels, advanced PIE techniques such as 3-D tomography, as well as advanced in-pile measurement techniques for a better understanding of mechanisms of fuel behavior under irradiation.
Book Synopsis Post-irradiation Examination Techniques for Research Reactor Fuels by : IAEA
Download or read book Post-irradiation Examination Techniques for Research Reactor Fuels written by IAEA and published by International Atomic Energy Agency. This book was released on 2023-04-18 with total page 149 pages. Available in PDF, EPUB and Kindle. Book excerpt: Post-irradiation examination (PIE) is an indispensable step in the selection of new or improved research reactor fuel, and in the characterization and understanding of its in-core behaviour. This publication provides an introduction to PIE techniques. It describes a typical PIE process from intercycle inspections in the reactor pool or channel, to hot cell PIE, which is subdivided into non-destructive and destructive testing techniques with their typical output, advantages and drawbacks, and their applicability to understanding fuel irradiation behaviour. Much of the work presented in this publication originated from the research and development of new low enriched uranium research reactor fuels. Intended readers include research reactor operators, regulators and their technical support organizations, fuel developers and manufacturers, laboratory staff, and policy makers.
Book Synopsis Irradiated Fuel Examination Using the Cerenkov Technique by :
Download or read book Irradiated Fuel Examination Using the Cerenkov Technique written by and published by . This book was released on 1981 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: A technique for monitoring irradiated nuclear fuel inventories located in water filled storage ponds has been developed and demonstrated. This technique provides sufficient qualitative information to be useful as a confirmatory technique to International Atomic Energy Agency inspectors. Measurements have been made on the Cerenkov glow light intensity from irradiated fuel that show the intensity of this light to be proportional to the cooling time. Fieldable instruments used in several tests confirm that such measurements can be made easily and rapidly, without fuel assembly movement or the introduction of apparatus into the storage ponds. The Cerenkov technique and instrumentation have been shown to be of potential use to operators of reactor spent fuel facilities and away from reactor storage facilities, and to the International Atomic Energy Agency inspectors who provide surveillance of the irradiated fuel stored in these facilities.
Book Synopsis Measurement of Diameter Changes During Irradiation Testing by :
Download or read book Measurement of Diameter Changes During Irradiation Testing written by and published by . This book was released on 2015 with total page 9 pages. Available in PDF, EPUB and Kindle. Book excerpt: New materials are being considered for fuel, cladding, and structures in advanced and existing nuclear reactors. Such materials can experience significant dimensional and physical changes during irradiation. Currently in the US, such changes are measured by repeatedly irradiating a specimen for a specified period of time and then removing it from the reactor for evaluation. The time and labor to remove, examine, and return irradiated samples for each measurement makes this approach very expensive. In addition, such techniques provide limited data and handling may disturb the phenomena of interest. In-pile detection of changes in geometry is sorely needed to understand real-time behavior during irradiation testing of fuels and materials in high flux US Material and Test Reactors (MTRs). This paper presents development results of an advanced Linear Variable Differential Transformer-based test rig capable of detecting real-time changes in diameter of fuel rods or material samples during irradiation in US MTRs. This test rig is being developed at the Idaho National Laboratory and will provide experimenters with a unique capability to measure diameter changes associated with fuel and cladding swelling, pellet-clad interaction, and crud buildup.
Book Synopsis Post-irradiation Examination and In-pile Measurement Techniques for Water Reactor Fuels by :
Download or read book Post-irradiation Examination and In-pile Measurement Techniques for Water Reactor Fuels written by and published by . This book was released on 2009 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: This publication represents a summary and proceedings of two technical meetings on the subjects of 1) hot cell post-irradiation examination (PIE) techniques and poolside inspection of water reactor fuel assemblies, and 2) fuel rod instrumentation and in-pile measurement techniques. It provides an overview of the status of in-pile and post-irradiation techniques of water reactor fuel examination with an emphasis on experimental methods applied to high burnup fuel. Further important items addressed at these meetings were the information on progress achieved in non-destructive and destructive PIE techniques used for investigation of water reactor fuels, advanced PIE techniques such as 3-D tomography, as well as advanced in-pile measurement techniques for a better understanding of mechanisms of fuel behavior under irradiation.
Book Synopsis A Basin Facility for Examining Irradiated Nuclear Fuel by : Frederick C. Locke
Download or read book A Basin Facility for Examining Irradiated Nuclear Fuel written by Frederick C. Locke and published by . This book was released on 1964 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Irradiated Fuel Monitoring by Cerenkov Glow Intensity Measurements by :
Download or read book Irradiated Fuel Monitoring by Cerenkov Glow Intensity Measurements written by and published by . This book was released on 1979 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Attribute measurement techniques for confirmation of declared irradiated fuel inventories at nuclear installations under safeguards surveillance are being investigated. High-gain measurements of the intensity of the Cerenkov glow from exposed assemblies in water-filled storage ponds are promising for this purpose. Such measurements have been made of Materials Testing Reactor plate-type fuel assemblies and Pressurized Water Reactor pin-type fuel assemblies. The measured intensities depend on cooling times as calculations predict.
Book Synopsis Dimensional Inspection of Irradiated PWR Core 1 Blanket Fuel by : L. D. Larson
Download or read book Dimensional Inspection of Irradiated PWR Core 1 Blanket Fuel written by L. D. Larson and published by . This book was released on 1960 with total page 26 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Spent Fuel Working Group Report on Inventory and Storage of the Department's Spent Nuclear Fuel and Other Reactor Irradiated Nuclear Materials and Their Environmental, Safety, and Health Vulnerabilities by : United States. Department of Energy. Spent Fuel Working Group
Download or read book Spent Fuel Working Group Report on Inventory and Storage of the Department's Spent Nuclear Fuel and Other Reactor Irradiated Nuclear Materials and Their Environmental, Safety, and Health Vulnerabilities written by United States. Department of Energy. Spent Fuel Working Group and published by . This book was released on 1993 with total page 58 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis National Symposium on Developments in Irradiation Testing Technology by :
Download or read book National Symposium on Developments in Irradiation Testing Technology written by and published by . This book was released on 1969 with total page 804 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Quick and Accurate Profile Monitor for Irradiated Fuel. [Gas Chambers]. by :
Download or read book Quick and Accurate Profile Monitor for Irradiated Fuel. [Gas Chambers]. written by and published by . This book was released on 1979 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: A new instrument has been developed for the rapid measurement of the activity profile of irradiated fuel pins and assemblies. Through prototype examinations it has been shown that the profile shapes agree with the shapes as measured by an intrinsic germanium detector and a Be(.gamma., n) detector. This new technique can reduce the profile measurement time by more than an order of magnitude over existing measurement times.
Book Synopsis Guidebook on Destructive Examination of Water Reactor Fuel by : International Atomic Energy Agency
Download or read book Guidebook on Destructive Examination of Water Reactor Fuel written by International Atomic Energy Agency and published by . This book was released on 1997 with total page 80 pages. Available in PDF, EPUB and Kindle. Book excerpt: This guidebook gives a complete survey of destructive techniques available to perform microstructural examinations, elemental and isotopic analyses and measurement of physical, chemical and mechanical properties of irradiated fuel and structural materials, and describes asociated refabrication and instrumentation techniques. Non-destructive examination (NDE) data are verified by destructive examination (DE) data. The data were submitted to the IAEA by hot laboratories from 12 countries and one international organization (CEC/ITU) during the period 1992-1995. Together with IAEA Technical Reports Series No.322 (1991), Guidebook on non-destructive examination of water reactor fuel, it presents the most comprehensive summary of post-irradiation examination techniques to date.
Book Synopsis Comparison of US and FRG Post-irradiation Examination Procedures to Measure Statistically Significant Failure Fractions of Irradiated Coated-particle Fuels. [HTGR]. by :
Download or read book Comparison of US and FRG Post-irradiation Examination Procedures to Measure Statistically Significant Failure Fractions of Irradiated Coated-particle Fuels. [HTGR]. written by and published by . This book was released on 1982 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Two methods for measuring failure fraction on irradiated coated-particle fuels have been developed, one in the United States (the IMGA system - Irradiated-Microsphere Gamma Analyzer) and one in the Federal Republic of Germany (FRG) (the PIAA procedure - Postirradiation Annealing and Beta Autoradiography). A comparison of the two methods on two standardized sets of irradiated particles was undertaken to evaluate the accuracy, operational procedures, and expense of each method in obtaining statistically significant results. From the comparison, the postirradiation examination method employing the IMGA system was found to be superior to the PIAA procedure for measuring statistically significant failure fractions. Both methods require that the irradiated fuel be in the form of loose particles, each requires extensive remote hot-cell facilities, and each is capable of physically separating failed particles from unfailed particles. Important differences noted in the comparison are described.
Book Synopsis Examination of an Irradiated Prototype Fuel Element for the Elk River Reactor by : L. A. Neimark
Download or read book Examination of an Irradiated Prototype Fuel Element for the Elk River Reactor written by L. A. Neimark and published by . This book was released on 1961 with total page 42 pages. Available in PDF, EPUB and Kindle. Book excerpt: An examination was made of a prototype Elk River Reactor fuel element irradiated in the EBWR to a maximum burn-up of 1000 Mwd(t). The assembly, which consisted of an array of type 304 stainless-steel tubes fueled with pellets of 97 wt.% ThO2-3 wt.% UO2, showed insignificant dimensional changes. Irregular vertical packing of the fuel pellets gave a "banded" appearance to the fuel rods because of preferential oxide deposition. The brazing material used in the center strap of the assembly showed noticeable corrosion effects. The fuel pellets showed no themal effects and exhibited little cracking. The dimensional stability was excellent. The fuel exhibited good gas-retention characteristics.
Book Synopsis The Post-irradiation Examination of a PuO2-UO2 Fast Reactor Fuel by :
Download or read book The Post-irradiation Examination of a PuO2-UO2 Fast Reactor Fuel written by and published by . This book was released on 1961 with total page 119 pages. Available in PDF, EPUB and Kindle. Book excerpt: A program was carried out to determine the irradiation behavior of a PuO2-UO2 fast reactor fuel prototype. Forty stainless steel clad fuel specimens were fabricated, encapsulated, and irradiated in the General Electric Test Reactor to burnups ranging from 5000 to 99,000 MWD/T, and at heat fluxes ranging from 0.5 x 106 to 1.6 x 106 Btu/ hr-ft2. The cladding surface temperature ranged from 700 to 1200 deg F with most specimens in the 1000 to 1200 deg F range. All specimens were irradiated without rapture despite the high performance conditions imposed. Following irradiation, the fuel specimens were examined in the Radioactive Materials Laboratory. The post-irradiation examination consisted of dimensional measurements, gamma scans, determination of fission gas release, visual examination of the fuel, measurement of central voids, and metallographic examination of selected samples. Specimen and capsule fabrication is discussed, and the results of the postirradiation examination are presented and discussed.
Download or read book Technical Reports Series written by and published by . This book was released on 1991 with total page 100 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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