American National Standard for Nuclear Criticality Control and Safety of Plutonium-Uranium Fuel Mixtures Outside Reactors PDF Download
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Author: American Nuclear Society. Standards Committee Working Group ANS-8.12 Publisher: ISBN: Category : Criticality (Nuclear engineering) Languages : en Pages :
Book Description
This standard is applicable to operations with plutonium-uranium oxide fuel mixtures outside nuclear reactors, except the assembly of these materials under controlled conditions, such as in critical experiments. Basic criteria are presented for plutonium-uranium fuel mixtures in single units of simple shape containing no more than 30 wt% plutonium combined with uranium containing no more than 0.71 wt% 235U. The limits for uniform aqueous mixtures (solution) are applicable to homogeneous mixtures and slurries in which the particles constituting the mixture are uniformly distributed and have a diameter no larger than 127 mm (0.005 in.), i.e., are capable of being passed through 120 mesh screen. This standard does not include the details of administrative controls, the design of processes or equipment, the description of instrumentation for process control, or detailed criteria to be met in transporting fissionable materials.
Author: American Nuclear Society. Standards Committee Working Group ANS-8.12 Publisher: ISBN: Category : Criticality (Nuclear engineering) Languages : en Pages :
Book Description
This standard is applicable to operations with plutonium-uranium oxide fuel mixtures outside nuclear reactors, except the assembly of these materials under controlled conditions, such as in critical experiments. Basic criteria are presented for plutonium-uranium fuel mixtures in single units of simple shape containing no more than 30 wt% plutonium combined with uranium containing no more than 0.71 wt% 235U. The limits for uniform aqueous mixtures (solution) are applicable to homogeneous mixtures and slurries in which the particles constituting the mixture are uniformly distributed and have a diameter no larger than 127 mm (0.005 in.), i.e., are capable of being passed through 120 mesh screen. This standard does not include the details of administrative controls, the design of processes or equipment, the description of instrumentation for process control, or detailed criteria to be met in transporting fissionable materials.
Author: R. A. Libby Publisher: ISBN: Category : Mixed oxide fuels (Nuclear engineering) Languages : en Pages : 9
Book Description
The American National Standard on Nuclear Criticality Control and Safety of Plutonium-Uranium Fuel Mixtures Outside Reactors" (ANSI/ANS-8.12-1987 was approved for use on September 11, 1987. This standard represented a substantial revision of the previous standard (ANSI/ANS-8.12-1978), including the addition of heterogeneous systems to the homogeneous systems covered by the earlier standard. This paper will discuss the standard, including the scope, history, limit derivations, use of the limits and warnings regarding their use, and the future prospects for the standard.
Author: American Nuclear Society. Standards Committee Working Group ANS-8.12
Author: American Nuclear Society. Standards Committee Working Group ANS-8.12
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Author: S. T. Huang
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Author: R. A. Libby
Author: American Nuclear Society. Working Group ANS-8.7
Author: American National Standards Institute
Author: American National Standards Institute
Author: British Standards Institute Staff