Neutronics Benchmarks of Mixed-Oxide Fuels

Df Hollenbach, Pb Fox

Sujets

• PNL new code
• Linternaute.com
• Fuel
• Resonance of Fate
• Bouteilles et flacons en plastique, emballages métalliques et cartons à boissons
• National Grid

Informations

• Publié par: Besif
• Nombre de lectures: 110
• Langue: Catalan

Extrait

ORNL/TM-1999/299 Neutronics Benchmarks of Mixed-Oxide Fuels using the SCALE/CENTRM Sequence D. F. Hollenbach P. B. FoxThis report has been reproduced directly from the best available copy. Available to DOE and DOE contractors form the Office of Scientific and Technical Information, P.O. Box 62, Oak Ridge, TN 37831; prices available from [phone]. Available to the public from the National Technical Information Service, U.S. Department of Commerce, 5285 Port Royal Rd., Springfield, VA 22161. This report was prepared as an account of work sponsored by an agency of the United States Government. Neither the United States nor any agency thereof, nor any of their employees, 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. Reference herein to any specific commercial product, process, or service by trade name, trademark, manufacturer, or otherwise, does not necessarily constitute or imply its endorsement, recommendation, or favoring by the United States Government or any agency thereof. The views and opinions of authors expressed herein do not necessarily state or reflect those of the United States Government or any agency thereof.ORNL/TM-1999/299 Computational Physics and Engineering Division Neutronics Benchmarks of Mixed-Oxide Fuels using the SCALE/CENTRM Sequence D. F. Hollenbach P. B. Fox Date Published: February 2000 Prepared by the OAK RIDGE NATIONAL LABORATORY Oak Ridge, Tennessee 37831-6370 managed by LOCKHEED MARTIN ENERGY RESEARCH CORP. for the U.S. DEPARTMENT OF ENERGY under contract DE-AC05-96OR22464CONTENTS Page LIST OF FIGURES ......................................................... v LIST OF TABLES . ix ACKNOWLEDGMENTS .................................................. xvii ABSTRACT ............................................................. xix 1. INTRODUCTION ........................................................ 1 1.1 THE SCALE 5.0 SEQUENCES .................................... 1 1.2 NITAWL ..................................................... 1 1.3 CENTRM/PMC ................................................ 2 2. MIX-COMP-THERM-2 (PNL-30 to PNL-35) .................................. 5 2.1 DESCRIPTION . 5 2.2 ANALYSIS .................................................... 8 2.3 CONCLUSIONS . 9 3. MIX-COMP-THERM-3 (SAXTON-1 TO SAXTON-6) .......................... 45 3.1 DESCRIPTION ............................................... 45 3.2 ANALYSIS ................................................... 48 3.3 CONCLUSIONS . 49 4. MIX-COMP-THERM-4 (TCA-1 TO TCA-11) ................................. 81 4.1 DESCRIPTION . 81 4.2 ANALYSIS . 84 4.3 CONCLUSIONS . 85 5. CALCULATIONAL BENCHMARKS ...................................... 145 5.1 DESCRIPTION .............................................. 145 5.2 ANALYSIS .................................................. 147 5.3 CONCLUSIONS . 148 6. REFERENCES ........................................................ 153 APPENDIX A: SCALE INPUT OF MIX-COMP-THERM-2 PROBLEM SET .......... 155 APPENDIX B: SCALE INPUT OF MIX-COMP-THERM-3 PROBLEM SET .......... 207 iiiCONTENTS (continued) APPENDIX C: SCALE INPUT OF MIX-COMP-THERM-4 PROBLEM SET .......... 241 APPENDIX D: SCALE INPUT OF VARIANTS PROBLEM SET ................... 295 ivLIST OF FIGURES Figure Page 2.1 Schematic of the PNL fuel rods with reflector .......................... 6 2.2 Pin layout of benchmark case PNL-30 ............................... 10 2.3 Pin layout of benchmark cases PNL-31 and PNL-33 .................... 11 2.4 Pin layout of benchmark case PNL-32. 12 2.5 Pin layout of benchmark case PNL-34. 12 2.6 Pin layout of benchmark case PNL-35. 13 2.7a Pin-power distribution for CENTRM benchmark PNL-30. Value in parentheses is the percent standard deviation. .......................... 14 2.7b Pin-power distribution for NITAWL benchmark PNL-30. Value in . 15 2.8a Pin-power distribution for CENTRM benchmark PNL-31. Value in . 19 2.8b Pin-power distribution for NITAWL benchmark PNL-31. Value in parentheses is the percent standard deviation. .......................... 20 2.9a Pin-power distribution for CENTRM benchmark PNL-32 with standard deviation between 0.59 and 0.87% of the value .............. 24 2.9b Pin-power distribution for NITAWL benchmark PNL-32 with standard deviation between 0.57 and 0.90% of the value. 25 2.10a Pin-power distribution for CENTRM benchmark PNL-33. Value in parentheses is the percent standard deviation. .......................... 29 2.10b Pin-power distribution for NITAWL benchmark PNL-33. Value in . 30 2.11a Pin-power distribution for CENTRM benchmark PNL-34. Value in . 34 2.11b Pin-power distribution for NITAWL benchmark PNL-34. Value in .......................... 35 2.12a Pin-power distribution for CENTRM benchmark PNL-35. Value in parentheses is the percent standard deviation.. 39 2.12b Pin-power distribution for NITAWL benchmark PNL-35. Value in . 40 3.1 Schematic of the SAXTON fuel rods with reflector ..................... 46 3.2 Pin layout of benchmark case SAXTON-1 ............................ 51 3.3 Pin layout of benchmark case SAXTON-2. 52 3.4 Pin layout of benchmark case SAXTON-3. 52 3.5 Pin layout of benchmark case SAXTON-4. 53 3.6 Pin layout of benchmark cases SAXTON-5 and 6 ....................... 53 3.7a Pin-power distribution for CENTRM benchmark SAXTON-1. Value in parentheses is the percent standard deviation. .......................... 54 vLIST OF FIGURES (continued) 3.7b Pin-power distribution for NITAWL benchmark SAXTON-1. Value in parentheses is the percent standard deviation. .......................... 55 3.8a Pin-power distribution for CENTRM benchmark SAXTON-2. Value in . 59 3.8b Pin-power distribution for NITAWL benchmark SAXTON-2. Value in . 60 3.9a Pin-power distribution for CENTRM benchmark SAXTON-3. Value in parentheses is the percent standard deviation. .......................... 64 3.9b Pin-power distribution for NITAWL benchmark SAXTON-3. Value in . 65 3.10a Pin-power distribution for CENTRM benchmark SAXTON-4. Value in . 69 3.10b Pin-power distribution for NITAWL benchmark SAXTON-4. Value in parentheses is the percent standard deviation. .......................... 69 3.11a Pin-power distribution for CENTRM benchmark SAXTON-5. Value in . 73 3.11b Pin-power distribution for NITAWL Benchmark SAXTON-5. Value in . 73 3.12a Pin-power distribution for CENTRM benchmark SAXTON-6. Value in parentheses is the percent standard deviation. .......................... 77 3.12b Pin-power distribution for NITAWL benchmark SAXTON-6. Value in . 77 4.1 Schematic of fuel rods and bottom reflector ........................... 82 4.2 Pin layout of benchmark cases TCA-1, TCA-2, and TCA-3 ............... 88 4.3 Pin layout of benchmark cases TCA-4, TCA-5 ,TCA-6, TCA-10, and TCA-11 . 88 4.4 Pin layout of benchmark cases TCA-7, TCA-8, and TCA-9. 89 4.5a Pin-power distribution for CENTRM benchmark TCA-1. Value in parentheses is the percent standard deviation. ......................... 90 4.5b Pin-power distribution for NITAWL benchmark TCA-1. Value in parentheses is the percent standard deviation. .......................... 91 4.6a Pin-power distribution for CENTRM benchmark TCA-2. Value in . 95 4.6b Pin-power distribution for NITAWL benchmark TCA-2. Value in . 96 4.7a Pin-power distribution for CENTRM benchmark TCA-3. Value in parentheses is the percent standard deviation. ......................... 100 4.7b Pin-power distribution for NITAWL benchmark TCA-3. Value in . 101 viLIST OF FIGURES (continued) 4.8a Pin-power distribution for CENTRM benchmark TCA-4. Value in parentheses is the percent standard deviation. ......................... 105 4.8b Pin-power distribution for NITAWL benchmark TCA-4. Value in . 106 4.9a Pin-power distribution for CENTRM benchmark TCA-5. Value in . 110 4.9b Pin-power distribution for NITAWL benchmark TCA-5. Value in parentheses is the percent standard deviation. ......................... 111 4.10a Pin-power distribution for CENTRM benchmark TCA-6. Value in . 115 4.10b Pin-power distribution for NITAWL benchmark TCA-6. Value in . 116 4.11a Pin-power distribution for CENTRM benchmark TCA-7. Value in parentheses is the percent standard deviation. ......................... 120 4.11b Pin-power distribution for NITAWL benchmark TCA-7. Value in . 121 4.12a Pin-power distribution for CENTRM benchmark TCA-8. Value in . 125 4.12b Pin-power distribution for NITAWL benchmark TCA-8. Value in parentheses is the percent standard deviation. ......................... 126 4.13a Pin-power distribution for CENTRM benchmark TCA-9. Value in . 130 4.13b Pin-power distribution for NITAWL benchmark TCA-9. Value in . 131 4.14a Pin-power distribution for CENTRM benchmark TCA-10. Value in ......................... 135 4.14b Pin-power distribution for NITAWL benchmark TCA-10. Value in parentheses is the percent standard deviation.. 136 4.15a Pin-power distribution for CENTRM benchmark TCA-11. Value in . 140 4.15b Pin-power distribution for NITAWL benchmark TCA-11. Value in ......................... 141 vii