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News brief Nuclear science Criticality Experiments Radiation shielding ICSBEP Radiation transport and shielding IRPhEP Reactor physics Reactor physics SINBAD Nuclear science Benchmark …
Published date: 25 April 2024
Activity
Burn-up credit and nuclear 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: 11 September 2023
News
Experts gather to discuss nuclear criticality safety

The NEA Working Party on Nuclear Criticality Safety (WPNCS) held its bi-annual meetings in June 2023

News brief Criticality safety Fuel studies Nuclear science Criticality WPNCS Benchmark …
Published date: 24 July 2023
News
ICSBEP and IRPhEP Technical Review Group meetings

The Technical Review Groups for both projects met at the NEA headquarters on 3-7 April 2023.

News brief Nuclear science Criticality ICSBEP IRPhEP Reactor physics Reactor physics Criticality safety NSC SINBAD Nuclear science Benchmark …
Published date: 24 April 2023
NEA Document
Statistical Tests for Diagnosing Fission Source Convergence and Undersampling in Monte Carlo Criticality Calculations
NEA/NSC/R(2021)3

Monte Carlo criticality calculations involve a two-step procedure based on a stochastic implementation of the power iteration method: first, achieve convergence of the fission source distribution dur...

Criticality safety Monte Carlo method NSC Nuclear science Criticality WPNCS Nuclear science …
Published date: 17 February 2023
NEA Document
Role of Integral Experiment Covariance Data for Criticality Safety Validation: EG UACSA Benchmark Phase IV
NEA/NSC/R(2021)1

This benchmark report has been compiled under the guidance of the NEA Working Party on Nuclear Criticality Safety (WPNCS) in the Subgroup on the Role of Integral Experiment Uncertainties and Covarian...

English UACSA Criticality safety Criticality WPNCS Nuclear science Benchmark …
Published date: 30 January 2023
Other
English UACSA Criticality safety Criticality Benchmark …
Published date: 17 January 2023
News
Modelling and simulation Criticality safety Criticality Verification and validation Verification Validation ICSBEP Benchmark …
Published date: 22 November 2022
Event
SCALE Criticality Safety and Radiation Shielding
14 - 18 November 2022
NEA, Paris (France)

This training course provides instruction on the use of the KENO-VI Monte Carlo code for criticality safety calculations and the MAVRIC (Monaco with Automated Variance Reduction using Importance Calc...

Physics Modelling and simulation Criticality CPS Radiation shielding Data Bank Training …
Published date: 13 September 2022
News
Working Party on Nuclear Criticality Safety celebrates 25 years

Over its 25 years of existence, the working party has contributed many topics and has led advances in criticality safety studies.

News brief Criticality safety Nuclear science Criticality WPNCS …
Published date: 28 July 2022