The Post-irradiation Examination of a PuO2-UO2 Fast Reactor Fuel PDF Download
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Author: J. M. Gerhart
Publisher:
ISBN:
Category : Nuclear fuels
Languages : en
Pages : 124
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Book Description
Author: J. M. Gerhart
Publisher:
ISBN:
Category : Nuclear fuels
Languages : en
Pages : 124
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Book Description
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 119
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Book Description
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.
Author: JS. Cochran
Publisher:
ISBN:
Category : Complex compounds
Languages : en
Pages : 42
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Book Description
A program was carried out to study the irradiation behavior of a PuO2-UO2 fuel. Forty fuel specimens were fabricated, encapsulated, and irradiated in the General Electric Test Reactor to burnups ranging from 5000 to 99,000 Mw days per ton and heat fluxes ranging from 0.5 x 106 to 1.58 x 106 Btu per hr sq ft. A postirradiation examination of the fuel was made to determine the fuel condition, central void characteristics and fission gas release. The results of this program are presented and discussed.
Author: IAEA
Publisher: International Atomic Energy Agency
ISBN: 920102021X
Category : Technology & Engineering
Languages : en
Pages : 149
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Book Description
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.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Analyses of integral power-to-melt tests, HELD P-19 and P-20, are presented. These tests contained mixed-oxide, UO2-PuO2, fuel prototypic of fuel to be used in the driver fuel assemblies of the Fast Flux Test Facility, FFTF, which could be used in initial Fast Breeder Reactors, FBR's. The experiments were irradiated in the Experimental Breeder Reactor No. 2, EBR-II, for the Hanford Engineering Development Laboratory, HELD. The primary test variables are fabricated fuel-to-cladding gap size and accumulated fuel burnup to 1.1 at.%. The observed improved thermal performance at higher burnup is analyzed based on results and conclusions drawn from sibling pins irradiated during the preconditioning phases of the P-20 test. These pins were not included in the overpower phase of the P-20 test. The primary cause of the improved thermal performance was found to be maturing fuel restructuring and rapid fuel-to-cladding gap closure. The favorable impact of these observations on the design and operation of FFTF and future FBR's is also reviewed.
Author: J. L. Bates
Publisher:
ISBN:
Category : Mixed oxide fuels (Nuclear engineering)
Languages : en
Pages : 56
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Author:
Publisher:
ISBN:
Category : Nuclear energy
Languages : en
Pages : 680
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Author: J. H. Field
Publisher:
ISBN:
Category : Fast reactors
Languages : en
Pages : 84
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Book Description
An experimental program to evaluate the performance of FCR and EFCR fuel during transient operation is outlined, and the initial series of tests are described in some detail. Test results from five experiments in the TREAT reactor, using 1-in. OD SS-clad UO2 fuel specimens, are compared with regard to fuel temperatures, mechanical integrity, and post-irradiation appearance. Incipient fuel pin failure limits for transients are identified with maximum fuel temperatures in the range of 7000 deg F. Multiple transient damage to the cladding is likely for transients above the melting point of the fuel.
Author: T. J. Slosek
Publisher:
ISBN:
Category : Fuel burnup (Nuclear engineering)
Languages : en
Pages : 78
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Author: E. E. Mills
Publisher:
ISBN:
Category : Nuclear fuels
Languages : en
Pages : 76
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Book Description
