Status of the different benchmarks on Burn-up Credit performed by the Expert Group

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 published in September 2008

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 December 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 Final draft of Phase II-E Report (Version of 6 May 2013)

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

III-C

BWR UOX Compositions of Spent Fuel Assembly for BUC and Criticality control of damaged fuel. Specifications distributed September 2012

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

VI

PWR UOX Burn-up profile in a VVER-440 assembly Analysis of results on-going

VII

PWR UOX Study of spent fuel compositions for long-term disposal Report Published February 2012

VIII

PWR Reactivity worth of small isotopic samples (FP and actinides) in pile-oscillation experiments Specifications Distributed

 

Last updated: February 2012