Final Report for the NERI Project Page: 4 of 70
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2. R. T. Sorensen and J. C. Lee, "LWR Equilibrium Cycle Search Methodology for
Assembly-Level Fuel Cycle Analysis," Nucl. Sci. Eng., 158, 213 (2008).
3. W. R. Morgan and J. C. Lee, "Development of a 3-D Global Equilibrium Cycle
Methodology for PWRs," accepted for presentation at the American Nuclear Society
Conference in June, 2009 (attachment 2).
4. W. R. Morgan and J. C. Lee, "3-D Global Equilibrium Cycle Methodology for
PWRs," to be submitted for publication in Nucl. Technol. (invited, attachment 3).
Task 3. Evaluation of diverse fuel cycle options with DANESS
This task was proposed with the intention of utilizing the dynamic fuel cycle modeling
code DANESS under development at Argonne National Laboratory. After some
experimentation with DANESS, it was decided to use a new fuel cycle code, VISION,
emerging from Idaho National Laboratory. Based on the database for various fuel cycles
incorporated into the VISION code package and VISION calculations using the
Powersim software, an Excel-based script, Equilibrium Operation Fuel Cycle Model
(EO-FCM), was developed for efficient fuel cycle calculations. EO-FCM provides a
simple calculation of key fuel cycle parameters for a nuclear park scenario consisting of
up to two reactor types operating in equilibrium operation (EO) mode and approximating
the detailed inventory tracking in transitional operation (TO) mode employed by the
dynamic fuel cycle modeling codes. EO-FCM models a fuel cycle campaign, yielding
end-of-scenario (EOS) inventories of used nuclear fuel (UNF), heavy metal (HM)
reprocessed, fuel cycle economics and electricity produced. The EO-FCM module
accurately tracks more complex TO calculations performed with VISION and provides,
in a simple efficient manner, valuable physical insights into key characteristics of diverse
fuel cycles. One M.S. thesis was completed under the task.
One publication resulted from Task 3:
J. Haas and J. C. Lee, "Equilibrium Transuranic Management Scheme for Diverse
Fuel Cycle Analysis," Proc. International Conference on Reactor Physics, Nuclear
Power: A Sustainable Resource, Interlaken, Switzerland (2008).
Task 4. Optimization of global fuel cycle
During the early phase of the grant, substantial effort was made for this task
concentrating on the use of thorium in the transmuters both for the PWR and SFR
configurations. The Th-based mixed oxide (TMOX) design, comprising (Th-Pu)02 and
(Th-2 U) fuel rods in a heterogeneous PWR fuel assembly configuration, would achieve
a 95% destruction of the 239Pu and a 70% consumption of the total Pu in once-through
cycles. Two-tier transmutation systems featuring a synergistic combination of PWR and
SFR cycles were also studied, where minor actinides (MAs) from PWR UNF are
reprocessed and recycled in the form of (Th-TRU)-Zr metallic fuel for efficient
consumption of MAs. As the research program for the project progressed, the emphasis
for the global fuel cycle optimization shifted gradually to the development of fuel cycle
optimization methods culminating in two doctoral dissertations, as discussed in Task 1.
Publications resulting from Task 2 are listed below:
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Lee, John C. Final Report for the NERI Project, report, March 31, 2009; United States. (digital.library.unt.edu/ark:/67531/metadc929116/m1/4/: accessed December 14, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.