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Languages : en
Pages : 128
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Book Description
This report presents the fuel fabrication development for the Advanced Neutron Source (ANS) reactor. The fuel element is similar to that successfully fabricated and used in the High Flux Isotope Reactor (HFIR) for many years, but there are two significant differences that require some development. The fuel compound is U3Si2 rather than U3O, and the fuel is graded in the axial as well as the radial direction. Both of these changes can be accomplished with a straightforward extension of the HFIR technology. The ANS also requires some improvements in inspection technology and somewhat more stringent acceptance criteria. Early indications were that the fuel fabrication and inspection technology would produce a reactor core meeting the requirements of the ANS for the low volume fraction loadings needed for the highly enriched uranium design (up to 1.7 Mg U/m3). Near the end of the development work, higher volume fractions were fabricated that would be required for a lower- enrichment uranium core. Again, results look encouraging for loadings up to (almost equal to)3.5 Mg U/m3; however, much less evaluation was done for the higher loadings.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 128
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Book Description
This report presents the fuel fabrication development for the Advanced Neutron Source (ANS) reactor. The fuel element is similar to that successfully fabricated and used in the High Flux Isotope Reactor (HFIR) for many years, but there are two significant differences that require some development. The fuel compound is U3Si2 rather than U3O, and the fuel is graded in the axial as well as the radial direction. Both of these changes can be accomplished with a straightforward extension of the HFIR technology. The ANS also requires some improvements in inspection technology and somewhat more stringent acceptance criteria. Early indications were that the fuel fabrication and inspection technology would produce a reactor core meeting the requirements of the ANS for the low volume fraction loadings needed for the highly enriched uranium design (up to 1.7 Mg U/m3). Near the end of the development work, higher volume fractions were fabricated that would be required for a lower- enrichment uranium core. Again, results look encouraging for loadings up to (almost equal to)3.5 Mg U/m3; however, much less evaluation was done for the higher loadings.
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ISBN:
Category :
Languages : en
Pages : 40
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Book Description
This report describes the development and qualification plan for the fuel for the Advanced Neutron Source. The reference fuel is U3Si2, dispersed in aluminum and clad in 6061 aluminum. This report was prepared in May 1994, at which time the reference design was for a two-element core containing highly enriched uranium (93% 235U) . The reactor was in the process of being redesigned to accommodate lowered uranium enrichment and became a three-element core containing a higher volume fraction of uranium enriched to 50% 235U. Consequently, this report was not issued at that time and would have been revised to reflect the possibly different requirements of the lower-enrichment, higher-volume fraction fuel. Because the reactor is now being canceled, this unrevised report is being issued for archival purposes. The report describes the fabrication and inspection development plan, the irradiation tests and performance modeling to qualify performance, the transient testing that is part of the safety program, and the interactions and interfaces of the fuel development with other tasks.
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Category : Power resources
Languages : en
Pages : 782
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Author:
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Category : Power resources
Languages : en
Pages : 848
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Author: United States. Congress. Joint Committee on Atomic Energy. Subcommittee on Legislation
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Category :
Languages : en
Pages : 844
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Category :
Languages : en
Pages : 504
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The Advanced Neutron Source will be a new world-class facility for research using hot, thermal, cold, and ultra-cold neutrons. The heart of the facility will be a 330-MW (fission), heavy-water cooled and heavy-water moderated reactor. The reactor will be housed in a central reactor building, with supporting equipment located in an adjoining reactor support building. An array of cold neutron guides will fan out into a large guide hall, housing about 30 neutron research stations. Appropriate office, laboratory, and shop facilities will be included to provide a complete facility for users. The ANS is scheduled to begin operation at the Oak Ridge National Laboratory early in the next decade. This PDR document defines the plant-level requirements for the design, construction, and operation of ANS. It also defines and provides input to the individual System Design Description (SDD) documents. Together, this PDR document and the set of SDD documents will define and control the baseline configuration of ANS.
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Category : Aeronautics
Languages : en
Pages : 304
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Author: United States. Congress. House. Committee on Appropriations
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Category : Public works
Languages : en
Pages : 432
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Author: United States. Congress. House. Committee on Appropriations
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ISBN:
Category :
Languages : en
Pages : 1370
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Author: United States. Congress. Joint Committee on Atomic Energy
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ISBN:
Category : Nuclear energy
Languages : en
Pages : 834
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