Numerical implementation and validation of a porous approach for fluid–structure interaction applied to pressurized water reactors fuel assemblies under axial water flow and dynamic excitation
Sign Up to like & getrecommendations! Published in 2021 at "International Journal for Numerical Methods in Engineering"
DOI: 10.1002/nme.6626
Abstract: The proposed contribution is dedicated to numerical methods for solving strongly coupled fluid–structure dynamic problems where the complexity of the structures and the reduced remaining fluid volume do not allow to handle their exact geometry.… read more here.
Keywords: water reactors; pressurized water; water; fuel assemblies ... See more keywords
Determination of 137Cs content in fuel assemblies of a zero power reactor by Monte Carlo based efficiency calibration
Sign Up to like & getrecommendations! Published in 2019 at "Annals of Nuclear Energy"
DOI: 10.1016/j.anucene.2019.01.010
Abstract: Abstract In the Training Reactor of the Budapest University of Technology and Economics EK-10 fuel assemblies are applied and some slightly irradiated EK-10 fuel assemblies are stored as spare fuel. These fuel assemblies were used… read more here.
Keywords: monte carlo; 137cs content; geometry; fuel ... See more keywords
Comparison of BWR fuel assembly options for minor actinide recycling
Sign Up to like & getrecommendations! Published in 2019 at "Annals of Nuclear Energy"
DOI: 10.1016/j.anucene.2019.04.046
Abstract: Abstract Nuclear energy production generates Minor Actinide (MA) and Plutonium (Pu) isotopes, being these ones the main reason for the longtime storage of the depleted fuel assemblies. A reduction of these produced isotopes will decrease… read more here.
Keywords: fuel; fuel assembly; fuel assemblies; bwr fuel ... See more keywords
Experimental and CFD analysis of the effects of debris deposition across the fuel assemblies
Sign Up to like & getrecommendations! Published in 2018 at "Nuclear Engineering and Design"
DOI: 10.1016/j.nucengdes.2018.02.025
Abstract: Abstract During a loss of coolant accident (LOCA) or a main steam line break accident (MSLB) in a pressurize water reactor (PWR), debris of different sorts like particulate, latent fiber or chemical nature might be… read more here.
Keywords: effects debris; fuel assemblies; across fuel; debris particles ... See more keywords
Determination of nuclear material content of items originating from damaged spent fuel assemblies by using collimated gamma-spectrometric scanning
Sign Up to like & getrecommendations! Published in 2019 at "Progress in Nuclear Energy"
DOI: 10.1016/j.pnucene.2018.09.016
Abstract: Abstract Correlation of the fission product Cs-137, U, and Pu with burn-up has been used to develop a method for determining the U and Pu contents of items originating from 30 spent fuel assemblies (SFAs),… read more here.
Keywords: nuclear material; spent fuel; fuel; items originating ... See more keywords
Fresh Fuel Measurements With the Differential Die-Away Self-Interrogation Instrument
Sign Up to like & getrecommendations! Published in 2017 at "IEEE Transactions on Nuclear Science"
DOI: 10.1109/tns.2017.2648506
Abstract: The purpose of the Next Generation Safeguards Initiative (NGSI)–Spent Fuel (SF) Project is to strengthen the technical toolkit of safeguards inspectors and/or other interested parties. The NGSI–SF team is working to achieve the following technical… read more here.
Keywords: instrument; fuel assemblies; die away; fuel ... See more keywords
Machine Learning Approaches for Performance Assessment of Nuclear Fuel Assemblies Subject to Seismic-Induced Impacts
Sign Up to like & getrecommendations! Published in 2020 at "ASCE-ASME Journal of Risk and Uncertainty in Engineering Systems, Part B: Mechanical Engineering"
DOI: 10.1115/1.4046926
Abstract: AbstractIn pressurized water nuclear reactors, the seismic performance of fuel assemblies is governed by their spacer grids (SGs) which may experience impacts with neighboring fuel assembly SGs or ... read more here.
Keywords: machine learning; fuel assemblies; learning approaches; fuel ... See more keywords
Experimental Investigation of Control Rod Drops into Perturbed Fuel Assemblies
Sign Up to like & getrecommendations! Published in 2023 at "Journal of Nuclear Engineering and Radiation Science"
DOI: 10.1115/1.4062275
Abstract: This paper discusses permanent deformation of the fuel assembly of pressurized water reactors that can satisfy a drop time requirement of the control rod assembly. During a seismic event, the fuel assemblies and the reactor… read more here.
Keywords: fuel; drop; fuel assemblies; fuel assembly ... See more keywords
Neutronic evaluation of annular fuel assemblies
Sign Up to like & getrecommendations! Published in 2020 at "International Journal of Nuclear Energy Science and Technology"
DOI: 10.1504/ijnest.2020.10041181
Abstract: The concept of annular fuel rods was initially studied in the 1950s, but researchers have expanded the investigations considerably from 2000 to improve the performance of nuclear power plants. Thus, aiming a probable replacement of… read more here.
Keywords: fuel assemblies; neutronic evaluation; fuel; evaluation annular ... See more keywords