Calculation of Fission Neutron Age in NaZrF5
Author : J. E. Faulkner
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Page : 16 pages
File Size : 12,49 MB
Release : 1954
Category : Neutron resonance
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Author : J. E. Faulkner
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Page : 16 pages
File Size : 12,49 MB
Release : 1954
Category : Neutron resonance
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Author : J. E. Faulkner
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Page : 12 pages
File Size : 50,46 MB
Release : 1956
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Page : pages
File Size : 26,59 MB
Release : 1954
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Author : H. Goldstein
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Page : 62 pages
File Size : 33,64 MB
Release : 1961
Category : Neutrons
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Author : Robert Hans Hansen
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Page : 96 pages
File Size : 40,63 MB
Release : 1964
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This report describes a method for computation of neutron age to the indium resonance in arbitrary mixtures of nuclides. Ages of fission neutrons in a wide variety of modulators were calculated. The method is the Fourier transformed moments solution of the Boltzmann equation, evaluated with multigroup techniques. Initially, the evaluation was for 68 groups; however, the number of groups was systematically reduced until an eleven group set was selected as a reasonable compromise between accuracy and ease of computation. The program not only computes group ages, but also provides a slowing down spectrum of average group fluxes per unit lethargy versus lethargy. Combined with a cross section averaging subroutine, this code could provide all required fast constants for a few group reactor physics problem. The final code will handle any number of groups up to twenty. Input data for any one problem is minimal, the main portion of the input consists of a punched card cross section library. It is an economic, simple to execute, versatile code, which meets the engineering accuracy criteria initially postulated. (Author).
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Page : 632 pages
File Size : 15,88 MB
Release : 1961
Category : Mines and mineral resources
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Author : Eleanor Abshire
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Page : 108 pages
File Size : 20,69 MB
Release : 1962
Category : Zirconium
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Author : U.S. Atomic Energy Commission
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Page : 44 pages
File Size : 49,15 MB
Release : 1956
Category : Zirconium
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This bibliography contains 225 annotated references to unclassified reports on zirconium. References are included to reports written prior to September 1955. Author, subject, and report number indexes are provided.
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Page : 1146 pages
File Size : 21,27 MB
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Category : Nuclear energy
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Page : 430 pages
File Size : 24,62 MB
Release : 1956
Category : Science
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