NEA Expert Group on Burn-up Credit
Status of the different benchmarks
The status of the different studies, completed or currently
being carried out by the expert group are summarised in the following
table. When a benchmark is completed, a link is made to the list of publications.
When a benchmark is ongoing, a link is provided to the specifications.
| Benchmark
| Application
| Description
| Status
|
|
I-A
| PWR UOX
| Multiplication factor, spectra and reaction rates calculations
for an infinite PWR fuel rod lattice with varying compositions (different
enrichments, burnups, cooling-times, presence or absence of actinides
-major and minor- and of fission products - major and minor-
| Report published in
June 1996
|
|
I-B
| PWR UOX
| Depletion calculations for a simple infinite PWR pin-cell lattice.
| Report published in
January 1994
|
|
II-A
| PWR UOX
| Multiplication factor calculations of an infinite array of PWR
fuel with finite axial height. The aim being to study the effect
of axial burn-up profile on criticality calculations of PWR fuel
storage.
| Report published in
February 1996
|
|
II-B
| PWR UOX
| Multiplication factor and spatial fission distribution calculations
of a realistic PWR spent fuel transport cask including accidental
situations. The aim being to further study the effect of axial burn-up
profile on criticality calculations.
| Report published in
May 1998
|
|
II-C
| PWR UOX
| Multiplication factor and fission distribution calculations of
a realistic PWR fuel transport cask. The aim being to study the
sensitivity to the axial burnup shape.
| Report in preparation
|
|
II-D
| PWR UOX
| Multiplication factor and fission distribution calculations of
a realistic PWR fuel transport cask. The aim being to study
control rods effects on spent fuel composition.
| Report published in 2006
|
|
II-E
| PWR UOX
| Study on the impact of changes in the isotopic inventory due to control rod
insertions in PWR UO2 fuel assemblies during irradiation on the end effect
| Specifications report and the 11/08/05 update number of densities file
|
|
III-A
| BWR UOX
| Criticality calculations of an infinite array of BWR spent fuel
assemblies with emphasis on axial burnup and void profiles.
| Report published in
September 2000
|
|
III-B
| BWR UOX
| Depletion calculations of an array of BWR fuel.
| Report published in
February 2002
|
|
IV-A
| PWR MOX
| Reactivity Prediction Calculations for Infinite Arrays of PWR MOX Fuel Pin Cells
| Report published in
May 2003
|
|
IV-B
| PWR MOX
| Inventory MOX Fuel Depletion Calculations
| Report published in
May 2003
|
Last updated: 20 July 2008
|
