Experimental determination of the epithermal flux shape-parameter factor, alpha, for the University of Arizona TRIGA Mark I reactor

Persistent Link:
http://hdl.handle.net/10150/276888
Title:
Experimental determination of the epithermal flux shape-parameter factor, alpha, for the University of Arizona TRIGA Mark I reactor
Author:
Armenta-Durazo, Miguel Alberto, 1962-
Issue Date:
1988
Publisher:
The University of Arizona.
Rights:
Copyright © is held by the author. Digital access to this material is made possible by the University Libraries, University of Arizona. Further transmission, reproduction or presentation (such as public display or performance) of protected items is prohibited except with permission of the author.
Abstract:
Assuming an epithermal neutron flux distribution function of the form Φ'epi(E) α 1/E¹⁺ᵅ, the epithermal flux-shape parameter, alpha, and the integrated subcadmium to epicadmium flux ratio, f, were experimentally determined for two irradiation facilities in the University of Arizona TRIGA Mark I reactor. Two equivalent approaches: the Multimonitor method and the Non-linear least-squares method, based on integral (reaction rate) techniques applied to thin foils of gold, zirconium, vanadium, dysprosium, copper, manganese and molybdenum, were used. The Non-linear least-squares approach was found superior to the Multimonitor method on the basis of smaller resulting uncertainties. The resulting parameters are: α = -.0396±.0104 and f = 16.89 ± 1.08 for the Rabbit and α = -.0296 ±.0089 and f = 19.57 ± 1.26 for the Susan, where the reported uncertainties represent one sigma values.
Type:
text; Thesis-Reproduction (electronic)
Keywords:
Nuclear reactors -- Control.; Neutrons -- Measurement.
Degree Name:
M.S.
Degree Level:
masters
Degree Program:
Graduate College; Nuclear and Energy Engineering
Degree Grantor:
University of Arizona
Advisor:
Nelson, G. W.

Full metadata record

DC FieldValue Language
dc.language.isoen_USen_US
dc.titleExperimental determination of the epithermal flux shape-parameter factor, alpha, for the University of Arizona TRIGA Mark I reactoren_US
dc.creatorArmenta-Durazo, Miguel Alberto, 1962-en_US
dc.contributor.authorArmenta-Durazo, Miguel Alberto, 1962-en_US
dc.date.issued1988en_US
dc.publisherThe University of Arizona.en_US
dc.rightsCopyright © is held by the author. Digital access to this material is made possible by the University Libraries, University of Arizona. Further transmission, reproduction or presentation (such as public display or performance) of protected items is prohibited except with permission of the author.en_US
dc.description.abstractAssuming an epithermal neutron flux distribution function of the form Φ'epi(E) α 1/E¹⁺ᵅ, the epithermal flux-shape parameter, alpha, and the integrated subcadmium to epicadmium flux ratio, f, were experimentally determined for two irradiation facilities in the University of Arizona TRIGA Mark I reactor. Two equivalent approaches: the Multimonitor method and the Non-linear least-squares method, based on integral (reaction rate) techniques applied to thin foils of gold, zirconium, vanadium, dysprosium, copper, manganese and molybdenum, were used. The Non-linear least-squares approach was found superior to the Multimonitor method on the basis of smaller resulting uncertainties. The resulting parameters are: α = -.0396±.0104 and f = 16.89 ± 1.08 for the Rabbit and α = -.0296 ±.0089 and f = 19.57 ± 1.26 for the Susan, where the reported uncertainties represent one sigma values.en_US
dc.typetexten_US
dc.typeThesis-Reproduction (electronic)en_US
dc.subjectNuclear reactors -- Control.en_US
dc.subjectNeutrons -- Measurement.en_US
thesis.degree.nameM.S.en_US
thesis.degree.levelmastersen_US
thesis.degree.disciplineGraduate Collegeen_US
thesis.degree.disciplineNuclear and Energy Engineeringen_US
thesis.degree.grantorUniversity of Arizonaen_US
dc.contributor.advisorNelson, G. W.en_US
dc.identifier.proquest1335807en_US
dc.identifier.oclc22166041en_US
dc.identifier.bibrecord.b17366021en_US
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