Project No. 12-4733 Integral Inherently Safe Light Water Reactor (I2S-LWR) Integrated Research Project Bojan Petrovic Georgia Institute of Technology In Collaboration with: Brigham Young University Florida Institute of Technology Morehouse College University of Idaho University of Michigan University of Tennessee Virginia Polytechnic Institute and State University Damian Peko, Federal POC Don Williams, Technical POC Integral Inherently Safe Light Water Reactor (I2S-LWR) I2S-FT-16-01, Rev.0 (December 2016) Integral Inherently Safe Light Water Reactor (I2S-LWR) Final Report Prepared by: Bojan Petrovic (PI) On behalf of the 2S-LWR Project Team (please see the inner cover page) Submitted by: Bojan Petrovic ([email protected]), Project PI Nuclear and Radiological Engineering Georgia Institute of Technology 770 State St., Atlanta, GA 30332-0745 Performed Under: NEUP 12-4733, SRC#00132015 Under Prime Contract No. DE-AC07-05ID14517 (GT Project 2506J12, Research Agreement RD537) POC: Don Williams Federal Manager: Damian Peko Rev. 0 December 2016 NEUP 12-4733 1 of 141 Final Report Integral Inherently Safe Light Water Reactor (I2S-LWR) I2S-FT-16-01, Rev.0 (December 2016) I2S-LWR Project Team Lead organization: Georgia Institute of Technology, Atlanta, Georgia Bojan Petrovic (PI), Farzad Rahnema (Co-PI) Chaitanya Deo, Srinivas Garimella, Preet Singh Team organizations: Academia: Brigham Young University Matthew Memmott (Co-PI) Florida Institute of Technology, Florida Guy Boy (Co-PI) University of Idaho, Moscow, Idaho Indrajit Charit (Co-PI) University of Michigan, Ann Arbor, Michigan Annalisa Manera (Co-PI), Thomas Downar, John Lee Morehouse College, Atlanta, Georgia Lycurgus Muldrow (Co-PI) University of Tennessee, Knoxville, Tennessee Belle Upadhyaya (Co-PI), Wesley Hines Virginia Tech, Arlington, Virginia Ali Haghighat (Co-PI) Industry: Westinghouse Electric Co., Cranberry Township, Pennsylvania Paolo Ferroni (Co-PI), Fausto Franceschini, David Salazar, William Mack, Jason Young, Alex Harkness, Robert Ammerman, Matthew Smith Southern Nuclear Operating Company, Birmingham, Alabama – Nick Irvin National Laboratory Collaboration: Idaho National Laboratory (INL), Idaho Falls, Idaho Abderrafi M. Ougouag (Co-PI), George Griffith International Research Collaboration: University of Cambridge, Cambridge, United Kingdom Geoffrey Parks (Co-PI) Politecnico di Milano, Milano, Italy Marco Ricotti (Co-PI) University of Zagreb, Zagreb, Croatia (Co-PIs) Consultant: Nikola Čavlina, Davor Grgić, Dubravko Pevec Hans Garkisch NEUP 12-4733 2 of 141 Final Report Integral Inherently Safe Light Water Reactor (I2S-LWR) I2S-FT-16-01, Rev.0 (December 2016) Acknowledgments This research was performed using funding received from the DOE Office of Nuclear Energy's Nuclear Energy University Programs (NEUP), Integrated Research Project (IRP) 12-4733 “Integral Inherently Safe Light Water Reactor (I2S-LWR)” This multidisciplinary research project was performed with contributions from many individuals working on different project areas, including the one covered in this Topical Report. Therefore, it was not practical to list everybody that was in some way involved on the cover page of each Topical Report. Instead, the main Final Report provides a unified list of all contributors over the whole course of the project. The cover page of each individual Topical Report lists only the authors and main contributors to that report. Continuous support and guidance of the Federal Program Manager, Mr. Damian Peko, and Technical Reviewer, Mr. Donald Williams, Jr., contributed to the quality and outcomes of the project and are highly appreciated. Disclaimer This work is based on publicly available information. Neither Georgia Institute of Technology nor any of the authors of the report makes any warranty, express or implied, or assumes any legal liability or responsibility for the accuracy, completeness, or usefulness, of any information, apparatus, product, or process disclosed, or represents that its use would not infringe privately owned rights. References herein to any specific commercial product, process, or service by trade name, trade mark, manufacturer, or otherwise, does not necessarily constitute or imply its endorsement, recommendation, or favoring. The views and opinions of authors expressed herein do not necessarily state or reflect those of the Georgia Institute of Technology or of the research sponsor(s). NEUP 12-4733 3 of 141 Final Report Integral Inherently Safe Light Water Reactor (I2S-LWR) I2S-FT-16-01, Rev.0 (December 2016) (This page intentionally left blank] NEUP 12-4733 iv of 141 Final Report Integral Inherently Safe Light Water Reactor (I2S-LWR) I2S-FT-16-01, Rev.0 (December 2016) Table of Contents 1. Executive Summary ...................................................................................................................................................... 10 2. Roadmap through the Final Report and Topical Reports ............................................................................. 19 Part I – I2S-LWR Concept .................................................................................................................................................... 21 3. I2S-LWR Project .............................................................................................................................................................. 22 3.1 Project Overarching Objective and Performance Period .................................................................... 22 3.2 Project Team .......................................................................................................................................................... 22 3.3 Team Members Responsibilities ................................................................................................................... 25 3.4 External Advisory Board (EAB) ..................................................................................................................... 25 3.5 Reporting................................................................................................................................................................. 25 3.6 Project Status Presentations to DOE ............................................................................................................ 25 3.7 Dissemination of Project Results .................................................................................................................. 26 3.8 Senior Design Projects Related to I2S-LWR Project ............................................................................... 26 4. I2S-LWR Concept Overview ....................................................................................................................................... 28 4.1 Overarching objectives and main features ................................................................................................ 28 4.2 Approach to the I2S-LWR concept development .................................................................................... 28 4.3 Top level requirements ..................................................................................................................................... 30 4.4 Project Scope Clarification (In-Scope/Out-of-Scope) ........................................................................... 42 5. Fuel with Enhanced Accident Tolerance – Basic Considerations .............................................................. 46 5.1 Requirements and candidate materials ..................................................................................................... 46 5.2 Materials database .............................................................................................................................................. 47 5.3 Trade-off studies and fuel/clad system down-selection ..................................................................... 47 5.4 Design challenges related to clad properties ........................................................................................... 48 5.5 Design challenges related to silicide swelling.......................................................................................... 48 5.5.1 References......................................................................................................................................................... 51 5.6 Experiments ........................................................................................................................................................... 51 6. High Power Density Core Thermal Performance Assessment .................................................................... 52 6.1 Analysis objective ................................................................................................................................................ 52 6.2 Main achievements ............................................................................................................................................. 52 6.3 Approach to analyses ......................................................................................................................................... 52 6.4 Analysis method and assumptions ............................................................................................................... 53 6.4.1 Power density comparison with existing plants ............................................................................... 53 6.4.2 Analysis method ............................................................................................................................................