Tech, Economic Limits to Fuel Burnup Extension (IAEA TECDOC-1299)

COVER......Page 1
FOREWORD......Page 3
EDITORIAL NOTE......Page 4
CONTENTS......Page 5
SUMMARY......Page 7
TECHNICAL LIMITS (Session I)......Page 11
1. Introduction......Page 13
2. Description of experiment......Page 14
3. Operation in the HBWR......Page 15
4. Pressure data......Page 16
5. Temperature data......Page 18
SUMMARY AND CONCLUSIONS......Page 21
REFERENCES......Page 22
1. INTRODUCTION......Page 23
2. MODEL DESCRIPTION......Page 24
3. MODEL APPLICATION......Page 28
4. CONCLUSIONS AND FUTURE WORK......Page 34
ACKNOWLEDGEMENTS......Page 35
REFERENCES......Page 36
1. INTRODUCTION......Page 38
3. RESULTS......Page 39
4. DISCUSSION......Page 40
REFERENCES......Page 43
1. INTRODUCTION......Page 47
3. RIM FORMATION STEPS OBSERVATIONS......Page 48
4. POSSIBLE RIM FORMATION MECHANISM......Page 49
5. TEMPERATURE AND BURNUP THRESHOLD FOR RIM FORMATION......Page 50
7. RIM AND FISSION GAS RELEASE......Page 51
9. CONSEQUENCES ON THE FUEL ROD BEHAVIOUR......Page 52
10. CONCLUSIONS......Page 53
REFERENCES......Page 54
Recent studies on the formation of the rim structure and on polygonization in LWR fuel......Page 56
Part I.......Page 57
INTRODUCTION......Page 70
REFERENCES......Page 73
Part 3 – On the way to understand the mechanism of formation of the rim structure......Page 78
1. INTRODUCTION......Page 100
3. WWER-1000......Page 103
2. PRESENTLY ACHIEVED DISCHARGE BURNUPS......Page 107
3. POTENTIAL AND INCENTIVES FOR FURTHER INCREASE OF DISCHARGE BURNUP......Page 109
4. CORROSION AND HYDROGEN PICKUP......Page 110
5. HIGH BURNUP EFFECTS......Page 111
6. RIA AND LOCA......Page 115
7. CONCLUSION......Page 116
REFERENCES......Page 117
1. GENERAL SITUATION OF BURNUP EXTENSION......Page 118
2. CLADDING MATERIALS SECTION WITH RESPECT TO NUCLEAR CHARACTERISTICS......Page 119
3. TECHNOLOGICAL PROBLEMS ON ZIRCONIUM BASE ALLOYS......Page 122
4. TECHNOLOGY PROBLEMS AND FEASIBILITY OF STAINLESS STEELS......Page 126
5. CONCLUSIONS......Page 129
REFERENCES......Page 130
2. HIGH BURNUP FUEL DEVELOPMENT......Page 132
3. FUEL MODELLING FOR HIGH BURNUP......Page 135
5. CONCLUSIONS......Page 136
REFERENCES......Page 140
1. CORE RELOAD DESIGN BASIC PRINCIPLES OF THE KOZLODUY NPP WWER - 440 REACTORS......Page 142
2. CORE RELOAD DESIGN NEUTRON-PHYSICAL COMPUTER CODES......Page 146
3. KOZLODUY NPP WWER - 440 FUEL UTILIZATION......Page 148
4. SAFETY ESTIMATIONS OF PARTICULAR NPP KOZLODUY WWER - 440 CORE RELOADS......Page 149
5. COMPUTATIONAL AND EXPERIMENTAL INVESTIGATIONS OF THE FUEL ROD LIMITING MAXIMAL LINEAR POWER AT THE KOZLODUY NPP, 1-4 UNITS WITH WWER - 440 REACTORS, BASED ON THE OPERATION EXPERIENCE......Page 152
6. CONCLUSIONS......Page 153
REFERENCES......Page 164
2. REACTOR CORE......Page 166
3. METHODOLOGY......Page 167
4. RESULTS & DISCUSSIONS......Page 170
REFERENCES......Page 175
1. INTRODUCTION......Page 176
2. BRIEF DESCRIPTION OF THE ATUCHA-I REACTOR......Page 177
3. ECONOMIC INCENTIVES OF USING SEU FUEL IN ATUCHA I......Page 178
4. PROGRAM OF INTRODUCTION OF SEU FUEL......Page 179
5. FUEL DESCRIPTION AND IMPROVEMENTS IN THE FUEL DESIGN......Page 180
6. FUEL MANAGEMENT......Page 181
8. OPERATING EXPERIENCE......Page 182
9. CONCLUSIONS......Page 184
REFERENCES......Page 185
2 Brief description of the SEU Project for Atucha-1......Page 187
4 Limitations for Atucha-1 fuel burnup extension......Page 188
6 Design verifications......Page 189
8 SEU Fuel Performance Evaluation......Page 191
ACKNOWLEDGEMENTS......Page 192
REFERENCES......Page 193
1. INTRODUCTION......Page 199
2. TECHNOLOGIES FOR UO2 LARGE GRAINS MNUFACTURING......Page 201
4. UO2 PELLETS MANUFACTURING FROM RECOVERED URANIUM......Page 206
6. MOX SINTERED PELLETS MANUFACTURING......Page 209
7. PROPOSAL FOR FUEL MANUFACTURING FROM RU......Page 212
REFERENCES......Page 213
1. GENERAL SITUATION OF PUREX TYPE REPROCESSING FOR HIGH BURNUP FUELS......Page 216
2. LIFE PREDICTION STUDY FOR REPROCESSING EQUIPMENT MATERIALS......Page 217
3. DEVELOPMENT OF CORROSION RESISTANT MATERIALS FOR REPROCESSING......Page 218
4. Conclusions......Page 220
REFERENCES......Page 221
1. INTRODUCTION......Page 222
3. GENERAL CHARACTERISTICS......Page 224
4. FUEL PERFOMANCE MODELING......Page 227
5. CARA DEVELOPMENT PROJECT......Page 231
REFERENCES......Page 232
1. INTRODUCTION......Page 234
2. STUDIES ON U-MO-C SYSTEM......Page 235
3. GIBBS ENERGIES OF FORMATION OF THE DICARBIDES OF LANTHANUM, NEODYMIUM AND SAMARIUM......Page 237
5. LABORATORY SCALE STUDIES RELATED TO PYROCHEMICAL REPROCESSING......Page 239
REFERENCES......Page 249
ECONOMIC LIMITS (Session II)......Page 250
2. CORE DESIGN IMPROVEMENTS AFTER THE CHERNOBYL ACCIDENT......Page 252
3. FUEL WITH ERBIUM......Page 253
4. REACTOR REFUELING......Page 254
5. CONCLUSION......Page 255
REFERENCE......Page 261
1. LICENSING PRACTICE IN GERMANY......Page 262
3. PRESENT LIMITATIONS OF THE TESPA CODE REGARDING THE HIGH BURN-UP REGIME......Page 263
4. FINDINGS FROM EXPERIMENTS RELATED TO RIA TRANSIENTS......Page 266
5. SUMMARY AND OUTLOOK......Page 267
REFERENCES......Page 268
1. INTRODUCTION......Page 269
3. BACO CODE SENSITIVITY ANALISYS......Page 270
4. BACO CODE VALIDITY TEST AND PROBABILISTIC APLICATIONS......Page 272
5. FUEL ROD DESIGN USING PROBABILISTIC SAFETY CRITERIA. CALCULATION WITH BACO CODE.......Page 277
6. CONCLUSIONS......Page 282
REFERENCES......Page 283
1. INTRODUCTION......Page 285
2. ENRICHMENT REQUIREMENTS......Page 286
4. BURN-UP EXTENSION EFFECT ON THE FUEL UTILIZATION......Page 287
5. ELECTRICITY GENERATION COST......Page 288
6. TASK......Page 289
7. CONCLUSIONS......Page 290
1. INTRODUCTION......Page 299
2. UTILITY PRIORITIES......Page 300
4. TYPICAL FUEL CYCLE COSTS OF A GERMAN NUCLEAR POWER PLANT......Page 301
6. ACHIEVEMENTS OF ECONOMIC BENEFIT BY BURN-UP INCREASE......Page 303
7. ENVIRONMENT FOR FURTHER BURNUP INCREASE......Page 305
8. CONCLUSIONS......Page 308
1. INTRODUCTION......Page 310
2. EXPERIENCE OF VVER -1000 FUEL OPERATION......Page 311
3. INVESTIGATION OF THE IRRADIATED FUEL IN HOT CELL......Page 319
5. THE CRITERION FOR FUEL CYCLE OPTIMIZATION......Page 321
6. CONCLUSION......Page 323
REFERENCES......Page 327
LIST OF PARTICIPANTS......Page 329