Fuel chemistry and pellet-clad interaction related to high burnup fuel : proceedings of the Technical Committee

COVER......Page 1
FOREWORD......Page 3
EDITORIAL NOTE......Page 4
CONTENTS......Page 5
2. SUMMARY OF THE TECHNICAL COMMITTEE MEETING......Page 7
3. SUMMARIES OF THE SESSIONS......Page 8
FUEL CHEMISTRY AND FISSION PRODUCT BEHAVIOUR (SESSION 1)......Page 15
2. FISSION YIELDS......Page 17
3. EXPERIMENTAL DATA......Page 18
4. SUMMARY......Page 22
1. INTRODUCTION......Page 23
2. EXPERIMENTAL DATA......Page 24
3. FGR RESULTS ANALYSIS AND COMPLEMENTARY CHARACTERIZATIONS......Page 28
REFERENCES......Page 33
2. TEST ASSEMBLY AND PARAMETERS......Page 35
3. RESULTS AND DISCUSSION......Page 36
REFERENCES......Page 39
SUMMARY......Page 41
SWELLING AND PCMI (SESSION 2)......Page 43
1. INTRODUCTION......Page 45
2. EXPERIMENTAL DATA......Page 46
3. MODELLING ASSUMPTIONS......Page 47
4. MODEL APPLICATION AND DISCUSSION......Page 49
5. CONCLUSIONS......Page 57
REFERENCES......Page 58
2. CASE 1: FRESH BWR FUEL......Page 59
3. CASE 2: MEDIUM BURNUP COMMERCIAL PWR FUEL INTERACTION BEHAVIOUR......Page 63
4. CASE 3: HIGH BURNUP COMMERCIAL PWR FUEL INTERACTION BEHAVIOUR......Page 66
REFERENCES......Page 68
2. EXPERIMENTS......Page 69
3. POST-CALCULATIONS OF THE EXPERIMENTS: ANALYSIS OF CLADDING DEFORMATION......Page 72
4. CONCLUSION......Page 78
REFERENCES......Page 79
1. INTRODUCTION......Page 81
2. PROPOSED MODEL......Page 83
3. CALCULATION PROCEDURE......Page 86
4. RESULTS AND DISCUSSION......Page 87
REFERENCES......Page 91
CLADDING FAILURE MECHANISMS AT HIGH BURNUP (SESSION 3)......Page 93
A FUEL THERMAL CONDUCTIVITY CORRELATION BASED ON THE LATEST EXPERIMENTAL RESULTS......Page 95
2. EXPERIMENTAL PROCEDURE......Page 96
3. DISCUSSION......Page 107
REFERENCES......Page 109
1. INTRODUCTION......Page 111
2. EXPERIMENTALS METHODS......Page 112
3. CLADDING FAILURE MECHANISMS......Page 115
REFERENCES......Page 119
1. INTRODUCTION......Page 121
3. ANALYSIS OF THE AVAILABLE DATABASES......Page 122
4. METHODOLOGY AND RESULTS......Page 125
5. HIGH BURNUP AND GADOLINIA DATA......Page 128
REFERENCES......Page 133
1. INTRODUCTION......Page 135
2. TEST FUEL RODS......Page 136
3. BASE IRRADIATION OF TEST FUEL RODS......Page 137
4. POWER IRRADIATON OF TEST FUEL RODS......Page 138
5. POST IRRADIATION EXAMINATION OF TEST FUEL RODS......Page 144
6. DISCUSSION......Page 148
REFERENCES......Page 149
1. INTRODUCTION......Page 151
2. BACO CODE......Page 152
3. MOX FUEL IRRADIATIONS......Page 156
4. BACO CODE SIMULATION OF THE MOX FUEL BEHAVIOUR DURING THE BU15 EXPERIMENT......Page 163
5. CONCLUSIONS......Page 169
REFERENCES......Page 170
THERMAL PROPERTIES (SESSION 4)......Page 173
1. INTRODUCTION......Page 175
2. PROPERTIES OF THE ARCTAN FORM OF THE FTC PHONON TERM IN DIFFERENT REGIONS OF DEFECT CONCENTRATIONS......Page 176
3. CONFIRMATION OF ARCTAN FROM ISHIMOTO......Page 177
REFERENCES......Page 182
1. INTRODUCTION......Page 183
2. PIE RESULTS......Page 184
3. EVALUATION OF PELLET THERMAL CONDUCTIVITY IN HIGH BURNUP FUEL......Page 185
5. DISCUSSION......Page 187
REFERENCES......Page 190
FUEL BEHAVIOUR IN OFF-NORMAL CONDITIONS (SESSION 5)......Page 191
1. INTRODUCTION......Page 193
2. DESCRIPTION OF CODE 'FAIR'......Page 194
4. SEVERE ACCIDENT ANALYSIS OF PHWR FUEL PINS......Page 195
REFERENCES......Page 197
3. MACROSCOPIC FEATURE OF CRACKS......Page 199
4. MICROSCOPIC FEATURES OF CRACKS......Page 201
6. SUMMARY......Page 204
REFERENCES......Page 205
LIST OF PARTICIPANTS......Page 207