Masters Theses

Abstract

"The differential fast flux spectrum of the UMR Pool Research and Training Reactor core was determined by simultaneous activations of threshold foil detectors by neutron-nucleon reactions. This represents one phase of the composite neutron environment at two sample irradiation locations and the center of a fuel element during a power operation of 200 Kw (th). To accomplish this measurement a semiempirical least-squares approximation fitting activation date to a theoretical Cranberg U-wet fission spectrum was applied. This is a technique designed specifically for water moderated systems and takes into consideration both virgin and down-scatter neutrons. Gamma decay photopeaks were reduced using computer code PPA (Photopeak Analysis), and the differential fast neutron spectrum was resolved by computer code RUFF. The results of the method used in this work were compared with spectrum results of a previously applied weighted orthonormal method. A parameter variational study was made for determination of spectrum effects"--Abstract, page ii.

Advisor(s)

Edwards, D. R.

Committee Member(s)

Hardtke, Fred C.
Bolon, Albert E., 1939-2006

Department(s)

Nuclear Engineering and Radiation Science

Degree Name

M.S. in Nuclear Engineering

Publisher

University of Missouri at Rolla

Publication Date

1968

Pagination

x, 120 pages

Note about bibliography

Includes bibliographical references.

Geographic Coverage

Rolla (Mo.)

Rights

© 1968 Henry Anthony Till, All rights reserved.

Document Type

Thesis - Open Access

File Type

text

Language

English

Subject Headings

Heavy water reactors
Nuclear fission
Nuclear reactors -- Missouri -- Rolla
Uranium -- Isotopes -- Spectra

Thesis Number

T 2114

Print OCLC #

5995581

Electronic OCLC #

805728604

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