ORNL/M-6121 Evaluation of Measured LWR Spent Fuel Composition Data for Use in Code Validation End-User Manual O. W. Hermann M. D. DeHart B. D. Murphy 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 (615) 576-8401. 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/M-6121 Computational Physics and Engineering Division (10) EVALUATION OF MEASURED LWR SPENT FUEL COMPOSITION DATA FOR USE IN CODE VALIDATION O. W. Hermann, M. D. DeHart, and B. D. Murphy Date Published: February 1998 Prepared by the OAK RIDGE NATIONAL LABORATORY managed by LOCKHEED MARTIN ENERGY RESEARCH CORP. for the U.S. DEPARTMENT OF ENERGY under contract DE-AC05-96OR22464 CONTENTS Page LIST OF TABLES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . v 1. INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 2. PRESSURIZED-WATER REACTORS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 2.1 IN USE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 2.2 RECOMMENDED . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 2.3 NOT RECOMMENDED . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 2.4 INSUFFICIENT DATA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 3. BOILING-WATER REACTORS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 3.1 IN USE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 3.2 RECOMMENDED . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 3.3 NOT RECOMMENDED . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 3.4 INSUFFICIENT DATA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 3.5 NOTE ON BWR MODERATOR DENSITIES . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 4. TEST REACTORS FOR BURNUP CREDIT VALIDATION . . . . . . . . . . . . . . . . . . . . . . 15 5. SUMMARY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 6. REFERENCES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 iii LIST OF TABLES Table Page 1. Quantity of in-use and recommended PWR samples . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 2. Quantity of in-use and recommended BWR samples . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 3. Ranges in the burnup and enrichment of recommended PWR data . . . . . . . . . . . . . . . . . . . 19 4. Ranges in the burnup and enrichment of recommended BWR data . . . . . . . . . . . . . . . . . . . 19 v vi