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Analysis Methods and Applications
Prof. John R. White
page identifies a sequence of papers, reports, and student theses
(several have full versions available) that document my involvement
in the area of ex-core neutron activation analysis. A brief overview
also identifies the general motivation and direction for this work.
Hopefully some of the materials available here will be useful in
your work/studies. Enjoy!!!
Way back in the early 1980s when I was a staff member at ORNL, I
remember complaining about the lack of capability to perform space-
and energy-dependent excore activation analyses. At the time I was
working on a sensitivity study involving the excore detectors in
the Clinch River Breeder Reactor (CRBR), and I wanted to include
some aspect related to the exposure of the detectors to a neutron
field over a long period of time -- I really don't remember the
details. In any case, the ORIGEN code was the only tool available
and it was, shall I say, less than optimum for the task. Well, the
project was never completed because, as you know, the CRBR project
fast forward to 1994. I had just completed a 3-year consulting project
with Yankee Atomic Electric Company and I found myself with some
spare time -- how unusual!!! Well, anyway, since I am not one to
sit around with nothing to do, I decided to develop a code to perform
space- and energy-dependent excore activation calculations -- since
the situation from the early 1980s had not really changed. After
about 3 months full time effort in the summer of 1994, I had generated
the first version of the ACTIV code -- a modular system that uses
multigroup pointwise fluxes from the DORT code to do detailed excore
activation computations at any desired points in the DORT model.
Shortly thereafter, I got formally involved with the IAEA in benchmarking
current capability to perform these kinds of analyses, and also
with Yankee Atomic, who was in the middle of some decommissioning
studies. Thus, my involvement with activation analysis methods and
applications was initiated and, as they say, the rest is history
of Papers, Reports, and Student Theses
J. R. White and A. P. Fyfe, "UMass-Lowell Results of the IAEA
Benchmark Calculation of Radioactive Inventory for Fission Reactor
Decommissioning," Report of IAEA Benchmark Exercise for the
International Atomic Energy Agency, Vienna, Austria (July 1995).
J. R. White and A. P. Fyfe, "UMass-Lowell Results for the JPDR
Activation Analysis Benchmark," 1996 Radiation Protection &
Shielding Topical Meeting, No. Falmouth, Massachusetts (April 1996).
J. R. White, "Final Deliverables for the ACTIV Code Project,"
Final Report for UMass-Lowell Research Foundation Project No. 05-07741
(Sept. 1997). (full versions of the Summary
III, and Appendix
J. R. White, "Updated Results for the JPDR Activation Analysis
Benchmark Using VITAMIN-B6 and BUGLE-96 Data," 1998 ANS Radiation
Protection and Shielding Topical Conference, Nashville, TN (April
J. R. White, "On Computing the Thermal Flux in Ex-Core Neutron
Activation Studies," Report for UMass-Lowell Research Foundation
Project No. 05-08453 (Jan. 2000). (full
J. R. White, "SYN2D Summary Notes and Usage with 1-D Versus
2-D Comparisons for the JPDR," Report for UMass-Lowell Research
Foundation Project No. 05-08453 (Jan. 2000). (full
J. R. White and A. Jirapongmed, "Activation Analysis for the
Fermi 1 Reactor," Final Report for UMass-Lowell Research Foundation
Project No. 05-08620 (Jan. 2001).
Areeya Jirapongmed, "Activation Analysis using the ACTIV Code
System," MS Thesis, Energy Engineering (Nuclear Option), UMass-Lowell
A. Jirapongmed and J. R. White, "Activation Analysis Using
the ACTIV Code System," ANS 2002 Winter Meeting, Washington,
D.C. (Nov. 2002).
updated by Prof. John R. White (January 2003)
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