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Computational Support for Operation and Use of the UMLRR
Prof. John R. White

This page identifies a sequence of papers, reports, and student theses/projects that document much of the work that has been performed over the years in support of the UMass-Lowell research reactor (UMLRR). A brief historical overview puts our work into perspective and it provides some justification for the particular categorization given below. Full versions of many of the more recent materials are available in either html for pdf format for your review, as desired. Hopefully some of these will be useful in your work/studies. Enjoy!!!

Historical Overview:
Historical Overview of the Computational Support and Educational Use of the UMLRR

Early HEU to LEU Conversion Efforts:
J. R. White, J. E. Stoddard Jr., and J. P. Phelps, "Verification of the Computational Models for the Physics Analysis of the University of Lowell Reactor," Trans. Am. Nuc. Soc., 56, 574 (June 1988).

J. R. White, J. E. Stoddard, Jr., and J. P. Phelps, "Physics Analyses for the HEU to LEU Conversion at the University of Lowell Research Reactor," 1988 International Reactor Physics Conference, Jackson Hole, Wyoming (Sept. 1988).

John E. Stoddard, Jr., "Conversion from High Enriched Uranium Fuel to Low Enriched Uranium Fuel for the University of Lowell Research Reactor," MS Thesis, Energy Engineering (Nuclear Option), University of-Lowell (May 1989).

Robert S. Freeman, "Neutronics Analysis for the Conversion of the ULR from High Enriched Uranium to Low Enriched Uranium Fuel," MS Thesis, Energy Engineering (Nuclear Option), UMass-Lowell (May 1990).

Aswatha Amarnath, "Thermal Hydraulic Analyses of the HEU and the Proposed LEU Core Configurations of the UMass-Lowell Research Reactor," MS Thesis, Energy Engineering (Nuclear Option), UMass-Lowell (Sept. 1993).

Support for HEU Core Operations:
J. R. White, L. H. Bettenhausen, and P. J. Tutinas, "Determination of the Service Life for the Excore Neutron Detector Cables in Seabrook Station," 1996 Radiation Protection & Shielding Topical Meeting, No. Falmouth, Massachusetts (April 1996). (full version)

L. H. Bettenhausen and J. R. White, "Engineering Service Life Determination Using a Research Reactor,” ANS/ENS International Meeting, Washington, D.C. (Nov. 1996).

J. R. White, “Preliminary Characterization of the Neutron Spectrum in the UMass-Lowell Research Reactor,” Final Report for UMass-Lowell Research Foundation Project No. 05_07819 (July 1997).

J. R. White, “Characterization of the Neutron Spectrum in the UMass-Lowell Research Reactor,” Final Report for UMass-Lowell Research Foundation Project No. 05_07895 (Jan. 1998). (non-proprietary version)

J. R. White, “Additional Characterization of the Irradiation Facilities in the UMass-Lowell Research Reactor,” Final Report for UMass-Lowell Research Foundation Project No. 05_07895 (Ext. #1) (June 1998).

HEU to LEU Conversion Revisited:
J. R. White, “Cross Section Libraries and Preliminary Modeling for the Reference UMLRR LEU Core Configuration,” Final Report for UMass-Lowell Research Foundation Project No. 05_08186 (Jan. 1999). (non-proprietary version)

Series of Progress Reports for Project #14_08239-F, “Computational Support for the HEU to LEU Conversion of the UMLRR” (Feb. - Aug. 1999).

J. R. White and R. D. Tooker, “Modeling and Reference Core Calculations for the LEU-Fueled UMass-Lowell Research Reactor,” ANS 1999 Winter Meeting, Long Beach, CA (Nov. 1999). (full version)

J. R. White, A. Jirapongmed, and J. Byard, “Preliminary Characterization of the Irradiation Facilities Within the LEU-Fueled UMass-Lowell Research Reactor,” Proceedings of Topical Meeting on Advances in Reactor Physics and Mathematics and Computation, Pittsburgh, PA (May 2000). (full version)

J. R. White, J. Byard, and A. Jirapongmed, “Calculational Support for the Startup of the LEU-Fueled UMass-Lowell Research Reactor,” Proceedings of Topical Meeting on Advances in Reactor Physics and Mathematics and Computation, Pittsburgh, PA (May 2000). (full version)

J. R. White and L. Bobek, “Startup Test Results and Model Evaluation for the HEU to LEU Conversion of the UMass-Lowell Research,” 24th International Meeting on Reduced Enrichment for Research and Test Reactors (RERTR 2002), San Carlos de Bariloche, Argentina (Nov. 2002). (full version)

J. R. White and L. M. Bobek, “HEU to LEU Conversion Experience at the UMass-Lowell Research Reactor,” 9th International Topical Meeting on Research Reactor Fuel Management, Budapest, Hungary (April 2005). (full version)

Fast Neutron Irradiator:
J. R. White, A. Jirapongmed, L. Bobek, and T. M. Regan, “Design and Initial Testing of an Ex-Core Fast Neutron Irradiator for the UMass-Lowell Research Reactor,” 2002 ANS Radiation Protection and Shielding Topical Conference, Santa Fe, NM (April 2002). (full version)

J. R. White, L. Bobek, and T. M. Regan, “Initial Testing of the New Ex-Core Fast Neutron Irradiator at the UMass-Lowell Research Reactor,” Final Report for UMass-Lowell Research Foundation Project No. 14_08567 (July 2002). (non-proprietary version)

Support for LEU Core Operations:
Justin Byard, “Informational Retrieval System for the Life of the LEU-Fueled UMass-Lowell Research Reactor,” MS Thesis, Energy Engineering (Nuclear Option), UMass-Lowell (July 2001).

Anthony Stevens, “Thermal Hydraulic Analysis of the University of Massachusetts Lowell Research Reactor,” MS Thesis, Energy Engineering (Nuclear Option), UMass-Lowell (Nov. 2002).

L. M. Bobek, T. M. Regan, J. R. White, and D. F. Sullivan, “Facilities for Radiation Testing and Research at the UMLRL.” Proc. of the 2005 Space Nuclear Conf., San Diego, California (June 2005).

J. R. White and J. Marcyoniak, “Comparison of the WPI and UMLRR Fuel Assembly Models,” UMass-Lowell internal project documentation (July 2011). (full version)

J. R. White, R. Gocht, and M. Ducey, “MCNP Modeling for the UMLRR and Selected Gamma Irradiation Facilities,” Final Report for UMass-Lowell Research Foundation Project No. S51320000015442 (Sept. 2011). (full version)    Also see a series of internal Progress Reports that document the on-going development of the MCNP UMLRR model dated Nov. 2010, Jan. 2011, and Aug. 2011.

R. Gocht, M. Pike, and J. R. White, “Depletion Analysis of the UMass-Lowell Research Reactor Using Monte Carlo-ORIGEN Coupling (MCODE)”, poster presented at the ANS 2011 Winter Meeting, Washington D.C (Nov. 2011).

T. P. Michaud, "Implementation of the Inverse Kinetics Method for Reactivity Calculations at the UMLRR," M.S. Thesis in Energy Engineering (Nuclear Option), UMass-Lowell, (Dec. 2011).

J. R. White, R. Gocht, M. Pike, and J. Marcyoniak, “Validation of the 3-D VENTURE and MCNP UMLRR Core Models used in Support of the WPI Fuel Transfer Project”, Proceedings Research Reactor Fuel Management Conference (RRFM2012), Prague, Czech Republic (March 2012). (full version)

J. R. White, J. Marcyoniak, and M. Pike, “Overview and Validation of the VENTURE Core Models used in Support of the WPI Fuel Transfer Project,” UMass-Lowell internal project documentation (Sept. 2012). (full version)

M. Pike, "Expanding Local Capabilities for the Computational Analysis of the UMass- Lowell Research Reactor," M.S. Thesis in Energy Engineering (Nuclear Option), UMass-Lowell (May 2013).

J. R. White, “Preliminary Results and Recommendations for Replacing the Flux Trap Assembly in Location D5 in the M-2-5 UMLRR Core Configuration,” UMass-Lowell internal project documentation (May 2015). (full version)

J. R. White, “Preliminary Control Blade Study Results,” UMass-Lowell internal project documentation (June 2015). (full version)

J. R. White, “Updated Peaking Factors for Use in the UMLRR Safety Analysis,” UMass-Lowell internal project documentation (July 2015). (full version)

J. R. White, “Reactivity Coefficients for Use in UMLRR Transient Analyses: Quantitative Analysis and Partial Validation via Comparison with Actual Reactor Data,” UMass-Lowell internal project documentation (August 2015). (full version)

J. R. White, “Safety Analyses for the UMass-Lowell Research Reactor (UMLRR),” UMass-Lowell internal project documentation (August 2015). (full version)

Development of Web-Based Accessibility and Educational Use of the UMLRR:
J. R. White, L. M. Bobek, A. Jirapongmed, “A Web-Based System for Access to Real-Time and Archival Research Reactor Data.” Trans. Am. Nuc. Soc., 90, p. 322 (June 2004).

P. Jain, S. Markidis, B. G. Jones, Rizwan-Uddin, J. R. White, and L. M. Bobek, “Web-casting of Nuclear Reactor Experiments”, Trans. Am. Nuc. Soc. (Nov. 2006).

J. R. White and L. M. Bobek, “Reactor Operations Training via Web-Based Access to the UMass-Lowell Research Reactor,” Proceedings of Conference on Nuclear Training and Education, Jacksonville, Florida (Feb. 2007). (full version)

J. R. White and L. M. Bobek, “Innovative Use of a Research Reactor for Interdisciplinary Engineering Education,” Proceedings 2007 ASEE Conference, Honolulu, Hawaii (June 2007). full version)

J. R. White, “New Reactor Experiments Course at the University of Massachusetts Lowell”, Proceedings Research Reactor Fuel Management Conference (RRFM 2013), St. Petersburg, Russia (April 2013). (full version)

J. R. White and L. M. Bobek, “Facility Highlights and Reactor Labs Available at the UMass-Lowell Research Reactor” IAEA Specialists Meeting on Research Reactor Utilization for Higher Education Programs, Vienna, Austria (June 2014). (full version)

J. R. White, “Reactor Laboratory Modules Available at the U Mass-Lowell Research Reactor” Transactions ANS 2014 Winter Meeting, Anaheim, CA (Nov. 2014).

Last updated by Prof. John R. White (January 2020)

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