[HTML][HTML] Benchmark simulation of the flow-induced vibrations for nuclear applications

J Salachna, A Cioncolini, H Iacovides - Annals of Nuclear Energy, 2023 - Elsevier
This study investigates the computational modelling of flow-induced vibrations of cantilever
rods subjected to turbulent axial flow at operating conditions relevant to those of fuel rods of …

Numerical study on flow-induced vibration of LBE-cooled wire-wrapped rod bundle

T Cong, J Wang, H Gu - Annals of Nuclear Energy, 2023 - Elsevier
Flow-induced vibration (FIV) characteristics of LBE-cooled wire-wrapped rod bundle are
crucial to the wire-to-cladding fretting. In the present study, numerical simulation on FIV of …

A validated numerical methodology for flow-induced vibration of a semi-spherical end cantilever rod in axial flow

W Mao, H Iacovides, A Cioncolini, H Li… - Physics of …, 2024 - pubs.aip.org
This study presents a simulation method for turbulent flow-induced vibrations of cantilever
rods with a semi-spherical end exposed to axial flow, a configuration investigated for the first …

Numerical study of flow-induced vibration of fuel rods

D De Santis, A Shams - Nuclear Engineering and Design, 2020 - Elsevier
Abstract In this work, Fluid-Structure Interaction (FSI) simulations are performed to study
Flow Induced Vibrations (FIV) of nuclear fuel rods using the commercial code STAR-CCM+ …

A multi-stage approach of simulating turbulence-induced vibrations in a wire-wrapped tube bundle for fretting wear prediction

H Dolfen, J De Ridder, L Brockmeyer, E Merzari… - Journal of Fluids and …, 2022 - Elsevier
Abstract MYRRHA (Multi-purpose hYbrid Research Reactor for High-tech Applications) is a
prototype of a Generation IV reactor that will be constructed in Mol, Belgium. It is a liquid …

An advanced numerical framework for the simulation of flow induced vibration for nuclear applications

D De Santis, A Shams - Annals of Nuclear Energy, 2019 - Elsevier
In this work, an advanced solver for the simulation of Fluid-Structure Interaction (FSI)
problems for nuclear applications is presented. The numerical framework, called as NRG …

Turbulent kinetic energy of flow during inhale and exhale to characterize the severity of obstructive sleep apnea patient

WM Faizal, NNN Ghazali, CY Khor, MZ Zainon… - 2021 - researchsquare.com
This paper aims to investigate and present the numerical investigation of airflow
characteristics using Turbulent Kinetic Energy (TKE) to characterize the upper airway with …

[HTML][HTML] Nonlinear vibration of wire-wrapped fuel rod subjected to axial flow

Y Zhang, P Li - Alexandria Engineering Journal, 2025 - Elsevier
Wire-wrapped fuel rods are widely utilized in lead-bismuth reactors and subjected to high
kinetic energy fluid flow, significantly influencing the reactor's safe operation. This study …

An optimized anisotropic pressure fluctuation model for the simulation of turbulence-induced vibrations

K Zwijsen, A Marreiros de Freitas, S Tajfirooz… - Physics of …, 2024 - pubs.aip.org
A significant aspect of the economic performance and safety of a nuclear reactor involves
maintaining the integrity of the fuel rods, which are susceptible to Turbulence-Induced …

Core thermal hydraulic CFD support for liquid metal reactors

F Roelofs, D Dovizio, H Uitslag-Doolaard… - … Engineering and Design, 2019 - Elsevier
Abstract Knowledge of the heat transport in the core is important for design and safety
assessment of all nuclear reactors including liquid metal cooled reactors. In the past, design …