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NEA Document
English Criticality safety NSC Nuclear science Criticality WPNCS …
Published date: 23 February 2016
Activity
Burn-up credit criticality safety

Burn-up credit is a safety approach that accounts for the reduction in the reactivity of configurations with spent nuclear fuel due to the change in their composition after irradiation.

Criticality safety NSC Nuclear science Criticality WPNCS …
Published date: 2 June 2022
NEA Document
Burn-up Credit Criticality Safety Benchmark - Phase II-E
NEA/NSC/R(2015)1

Impact of Isotopic Inventory Changes due to Control Rod Insertions on Reactivity and the End Effect in PWR UO2 Fuel Assemblies

English Criticality safety NSC Nuclear science Criticality WPNCS …
Published date: 2 June 2015
NEA Document
Burn-up Credit Criticality Safety Benchmark - Phase III-C
NEA/NSC/R(2015)6

Nuclide Composition and Neutron Multiplication Factor of a Boiling Water Reactor Spent Fuel Assembly for Burn-up Credit and Criticality Control of Damaged Nuclear Fuel

English Criticality safety NSC Nuclear science Criticality WPNCS …
Published date: 2 October 2015
Publications and Reports
English Criticality safety NSC Nuclear science Criticality WPNCS …
Published date: 21 February 2012
NEA Document
Burnup Credit Criticality Benchmark Phase IIB: Burnup Calculations of Gadolinium-Bearing Fuel Rods in Boiling Water Reactor Assemblies for Storage and Transportation
NEA/NSC/R(2022)3

The NEA Expert Group on Used Nuclear Fuel criticality (EGUNF) organised a Phase IIB benchmark to re-examine code and nuclear data performance for BWR lattice calculations and focus on the depletion m...

Criticality safety Nuclear science WPNCS Benchmark
Published date: 30 November 2022
Other
English UACSA Criticality safety Criticality Benchmark …
Published date: 17 January 2023
Activity
Criticality excursion

A criticality excursion (also referred to as a criticality accident) is the accidental production of a self-sustaining or divergent chain reaction of fissionable material. 

Criticality safety NSC Nuclear science Criticality WPNCS …
Published date: 24 March 2020
Subtopic
Criticality safety

Criticality safety relates to accident prevention and protection from an uncontrolled nuclear fission chain reaction, or a criticality accident.

Criticality safety
Published date: 2 December 2019
Activity
Criticality safety analytical methods

Criticality is the state of a nuclear reactor when there is a self-sustaining chain reaction of fissionable material. Criticality safety analysis relates to evaluation approaches in data and computat...

Criticality safety NSC Nuclear science Criticality WPNCS …
Published date: 24 March 2020