Direct numerical simulation of reactor two-phase flows enabled by high-performance computing

J Fang, JJ Cambareri, CS Brown, J Feng… - … Engineering and Design, 2018 - Elsevier
Nuclear reactor two-phase flows remain a great engineering challenge, where the high-
resolution two-phase flow database which can inform practical model development is still …

Interface-resolved simulations of reactor flows

J Fang, JJ Cambareri, M Li, N Saini… - Nuclear …, 2020 - Taylor & Francis
This critical review paper outlines the recent progress in high-resolution numerical
simulations of two-phase coolant flow in light water reactor–relevant geometries by resolving …

The interfacial modes and modal causality in a dispersed bubbly turbulent flow

Y Liu, W Wang, G Yang, H Nemati, X Chu - Physics of Fluids, 2023 - pubs.aip.org
While data-driven analysis has demonstrated significant success in single-phase flow
systems, its application to multi-phase flows has been relatively limited with fewer examples …

Progress in multiphase computational fluid dynamics

RT Lahey Jr, E Baglietto, IA Bolotnov - Nuclear Engineering and Design, 2021 - Elsevier
This paper is primarily concerned with the development of three dimensional (3-D)
multiphase computational fluid dynamics models for use in Pressurized Water Nuclear …

Complex bubble deformation and break-up dynamics studies using interface capturing approach

Y Fan, J Fang, I Bolotnov - Experimental and Computational Multiphase …, 2021 - Springer
The dynamics of bubble deformation has significant impacts on two-phase flow
fundamentals such as bubble induced turbulence and flow regime transition. Despite the …

Turbulence, pseudo-turbulence, and local flow topology in dispersed bubbly flow

X Chu, Y Liu, W Wang, G Yang, B Weigand… - Physics of …, 2020 - pubs.aip.org
Bubbly turbulent flow in a channel is investigated using interface-resolved direct numerical
simulation. An efficient coupled level-set volume-of-fluid solver based on a fast Fourier …

A horizontal refined piecewise linear interface reconstruction (HOPLIRE) method based on the VOSET method for capturing the two-phase interface

YJ Chen, D Sun, B Yu, B Wang, W Lu… - Thermal Science and …, 2023 - Elsevier
The interface reconstruction method is significant for the numerical research of the two-
phase problem, but the implementation of popular ones is not easy enough. In this paper, a …

Computing foaming flows across scales: From breaking waves to microfluidics

P Karnakov, S Litvinov, P Koumoutsakos - Science Advances, 2022 - science.org
Crashing ocean waves, cappuccino froths, and microfluidic bubble crystals are examples of
foamy flows. Foamy flows are critical in numerous natural and industrial processes and …

Bubble tracking analysis of PWR two-phase flow simulations based on the level set method

J Fang, IA Bolotnov - Nuclear Engineering and Design, 2017 - Elsevier
Bubbly flow is a common natural phenomenon and a challenging engineering problem yet
to be fully understood. More insights from either experiments or numerical simulations are …

Status, perspectives, and added value of high fidelity simulations for safety and design

EMJ Komen, A Mathur, F Roelofs, E Merzari… - Nuclear Engineering and …, 2023 - Elsevier
With the increase in computational power, High Fidelity (HiFi) simulations become
increasingly important to nuclear thermal hydraulics for fundamental understanding of …