Direct numerical simulation of reactor two-phase flows enabled by high-performance computing
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 …
resolution two-phase flow database which can inform practical model development is still …
Interface-resolved simulations of reactor flows
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 …
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 …
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 …
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
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 …
characterizing a wide range of phenomena, including combustor ignition, sonar …
Simultaneous measurements of bubble deformation and breakup with surrounding liquid-phase flow
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 …
(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
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 …
boiling. However, the influence of pressure on micro-layer evaporation remains unclarified …
In situ feature analysis for large-scale multiphase flow simulations
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 …
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 …
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
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 …
within a pressurized water reactor (PWR) fuel rod bundle. Because of the buoyancy effect …