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 …

Slug-to-churn vertical two-phase flow regime transition study using an interface tracking approach

MD Zimmer, IA Bolotnov - International Journal of Multiphase Flow, 2019 - Elsevier
Direct numerical simulation (DNS) coupled with an interface tracking method (ITM) is used to
demonstrate the applicability of DNS to the study of vertical two-phase flow regime transition …

Interface Capturing Flow Boiling Simulations in a Compact Heat Exchanger

A Iskhakova, Y Kondo… - ASME Journal of …, 2023 - asmedigitalcollection.asme.org
High-fidelity flow boiling simulations are conducted in a vertical mini channel with offset strip
fins (OSF) using R113 as a working fluid. Finite-element code PHASTA coupled with level …

Identifying and tracking bubbles and drops in simulations: a toolbox for obtaining sizes, lineages, and breakup and coalescence statistics

WHR Chan, MS Dodd, PL Johnson, P Moin - Journal of Computational …, 2021 - Elsevier
Abstract Knowledge of bubble and drop size distributions in two-phase flows is important for
characterizing a wide range of phenomena, including combustor ignition, sonar …

Simultaneous measurements of bubble deformation and breakup with surrounding liquid-phase flow

Y Song, Y Qian, T Zhang, J Yin, D Wang - Experiments in Fluids, 2022 - Springer
The tomographic particle image velocimetry (PIV) method and the pulsed shadow technique
(PST) are combined to measure the three components of velocity and the 3-D bubble …

[HTML][HTML] Numerical simulation of nucleate pool boiling under high pressure using an initial micro-layer thickness model

N Qiu, Y Xuan, J Li, Q Li - Case Studies in Thermal Engineering, 2022 - Elsevier
Micro-layer evaporation is one of the main phase change mechanisms in nucleate pool
boiling. However, the influence of pressure on micro-layer evaporation remains unclarified …

In situ feature analysis for large-scale multiphase flow simulations

S Dutta, T Turton, D Rogers, JM Musser… - Journal of …, 2022 - Elsevier
The study of multiphase flow is essential for designing chemical reactors such as fluidized
bed reactors (FBR), as a detailed understanding of hydrodynamics is critical for optimizing …

Direct numerical simulation of single-and two-phase flows for nuclear engineering geometries

IA Bolotnov - Nuclear Technology, 2023 - Taylor & Francis
The significant progress in the last decade of high-resolution single-and two-phase flow
simulations of reactor-relevant flows is summarized in this review paper. The rapid …

Interface tracking investigation of geometric effects on the bubbly flow in PWR subchannels

J Fang, JJ Cambareri, M Rasquin… - Nuclear Science and …, 2019 - Taylor & Francis
Absorbing heat from the fuel rod surface, water as coolant can undergo subcooled boiling
within a pressurized water reactor (PWR) fuel rod bundle. Because of the buoyancy effect …