1. Home
  2. Results page
Reset all
Reactor physics
Search
120
results
Activity
Expert Group on Reactor-based Plutonium Disposition (TFRPD)

The Expert Group on Reactor-based Plutonium Disposition (TFRPD) dealt with the status and trends of reactor physics, fuel performance and fuel cycle issues related to the disposition of weapons-grade...

Reactor physics Fuel studies Nuclear science Plutonium Reactor physics …
Published date: 16 December 2020
News
Benchmarking, single and multi-physics modelling and simulation tools for nuclear reactor analysis

NEA Working Party on Scientific Issues of Reactor Systems (WPRS) workshops, 7-15 December 2020.

Reactor physics News brief Nuclear science Reactor physics
Published date: 17 December 2020
Activity
Sodium-cooled Fast Reactor (SFR) Benchmark Task Force

A sodium-cooled fast reactor (SFR) is a fast neutron reactor that uses molten sodium metal as a coolant. Sodium-cooled Fast Reactors (SFRs) are the most promising type of reactors to achieve Generati...

Reactor physics EGRPANS Fast reactor WPRS Reactor physics …
Published date: 4 February 2021
News
Scientific issues and uncertainty analysis of nuclear reactor systems

NEA Working Party on Scientific Issues of Reactor Systems (WPRS) annual meeting, 15-19 February 2021.

Reactor physics News brief Nuclear science EGPRS WPRS Reactor physics …
Published date: 24 February 2021
Activity
Expert Group on Integral Experiments for Minor Actinide Management (EGIEMAM)

The expert group critically reviewed integral experiments for validating minor actinide (MA) nuclear data, recommended additional integral experiments needed for validating MA nuclear data and invest...

WPFC WPEC Nuclear science Experiments Actinides WPRS Reactor physics Integral experiments Minor actinides NSC Nuclear fuel cycle Fuel cycle physics and chemistry …
Published date: 5 March 2021
NEA Document
NUPEC BWR Full-size Fine-mesh Bundle Test BFBT Benchmark - Volume III: Results of Phase I on Void Distribution
NEA/NSC/R(2020)6

In the past decade, a large amount of effort has been made towards the direct simulation of the boiling transition (BT) for Boiling Water Reactor (BWR) fuel bundles. This international benchmark, bas...

English Boiling water reactors Nuclear safety Benchmark Reactor physics …
Published date: 1 June 2021
NEA Document
Benchmark Specifications for the Fluoride-salt High-temperature Reactor (FHR) Reactor Physics Calculations
NEA/NSC/R(2020)5

This benchmark focuses on FHR reactors with plates and triso fuel. Several phases are planned, starting with neutronics on a simple fuel element simulation without burn-up, and gradually extending to...

Reactor physics Verification Reactor physics
Published date: 4 June 2021
Activity
Fluoride Salt-Cooled High-Temperature Reactor (FHR) Benchmark

Fluoride salt-cooled high-temperature reactors (FHRs), cooled with liquid (molten) salt, fueled with TRISO-based fuel are a potential molten salt reactor (MSR) design.

Nuclear science Molten salt reactors Verification Reactor physics
Published date: 14 June 2021
Activity
Pebble Bed Modular Reactor (PBMR) Coupled Neutronics/Thermal-hydraulics Transients Benchmark - PBMR-400 Core Design

The international benchmark concerned pebble bed modular reactor (PBMR) coupled neutronics/thermal-hydraulics transients based on the PBMR-400MW design.

SMR Gas-cooled reactors Thermal hydraulics Verification Multiphysics Benchmark Reactor physics Multiphysics …
Published date: 26 July 2021
Activity
Neutron noise analysis

Neutron noise analysis can be defined as the direct measurement of the kinetics of a nuclear core. This page describes some of the NEA's previous activities on neutron noise analysis in nuclear power...

Nuclear science Fast reactor Benchmark Reactor physics
Published date: 26 July 2021
Activity
Physics of plutonium recycling

For nuclear utility companies that opt to reprocess spent fuel, recycle it or do both, one of the main pertinent issues is plutonium recycling.

Reactor physics Plutonium Nuclear fuel cycle Reactor physics
Published date: 8 September 2021
Activity
Benchmark of the Modular High-Temperature Gas-Cooled Reactor-350 MW Core Design

Helium-cooled very high-temperature gas reactors are highlighted as a key technology with the potential to improve the competitiveness of nuclear energy within the Generation IV International Forum (...

Gas-cooled reactors Reactor physics
Published date: 20 September 2021
News
International review of benchmark experiments

ICSBEP, SINBAD AND IRPhEP Technical Review Group meetings, October 2021.

News brief Criticality safety Nuclear science ICSBEP IRPhEP Reactor physics …
Published date: 25 October 2021
Activity
Expert Group on Uncertainty Analysis in Modelling (EGUAM)

The expert group provided advice to the Working Party on Scientific Issues of Reactor Systems (WPRS) on the scientific development needs (data and methods, validation experiments, scenario studies) o...

EGUAM Boiling water reactors Nuclear science Light water reactors WPRS Reactor physics Modelling and simulation Reactor physics Uncertainty quantification Uncertainty analysis Benchmark Pressurised water reactors …
Published date: 27 October 2021
Activity
Expert Group on Shielding Aspects of Accelerators, Targets and Irradiation Facilities (SATIF)

The Expert Group on Shielding Aspects of Accelerators, Targets and Irradiation Facilities (SATIF) dealt with the various aspects of the modelling and design of accelerator shield systems and radiatio...

Reactor physics Nuclear science Radiation shielding Radiation transport and shielding Reactor physics …
Published date: 19 November 2021
NEA Document
NUPEC BWR Full-size Fine-mesh Bundle Test BFBT Benchmark - Volume IV: Results of Phase II on Pressure Drop and Critical Power
NEA/NSC/R(2020)7

In the past decade, a large amount of effort has been made towards the direct simulation of the boiling transition (BT) for boiling water reactor (BWR) fuel bundles. This international benchmark, bas...

English Reactor physics Boiling water reactors Nuclear safety Benchmark Reactor physics …
Published date: 2 December 2021
Event
Nuclear science Multiphysics Radiation transport and shielding Thermal hydraulics and mechanics Reactor physics …
Published date: 7 February 2022
Activity
International Reactor Physics Handbook Database and Analysis Tool (IDAT)

The IRPhEP Database and Analysis Tool (IDAT) was first released in 2013 and is included on the IRPhE Handbook DVD. This database and corresponding user interface allows easy access to handbook inform...

Verification and validation Information, data and knowledge management Databases Reactor physics
Published date: 17 March 2022
Activity
Pellet-Cladding Mechanical Interaction (PCMI) Benchmark

The aim of the benchmark is to improve understanding and modelling of pellet-cladding mechanical interaction (PCMI) amongst NEA member organisations. This is achieved by comparing PCMI predictions of...

Nuclear fuel Reactor physics Light water reactors EGRFP Benchmark Reactor physics …
Published date: 23 March 2022
Activity
IRPhE primary documentation

Collected sources of primary documentation for reactor physics benchmarks.

Modelling and simulation Reactor physics Verification and validation Verification Validation Benchmark Reactor physics …
Published date: 14 April 2022