Evaluation of bubble-induced turbulence using direct numerical simulation

J Feng, IA Bolotnov - International Journal of Multiphase Flow, 2017 - Elsevier
The presented research evaluates the interaction between a single bubble and
homogeneous turbulent flow using direct numerical simulation (DNS) approach. The …

Review of fission gas release in liquid metal reactor fuel cladding failure accident

M Wang, G Jiang, S Cheng, K Wang - Nuclear Engineering and Design, 2024 - Elsevier
The release of gas fission products from liquid metal fast reactors in the event of cladding
failure accidents is a significant focus during the development and improved design of such …

Review on models to evaluate coolant activity under fuel defect condition in PWR

B Dong, L Li, C Li, W Zhou, J Yin, D Wang - Annals of Nuclear Energy, 2019 - Elsevier
A review of published work on the fission product release mechanisms and models from
pressurized water reactor (PWR) is presented. The influence of fission products on the …

Interfacial force study on a single bubble in laminar and turbulent flows

J Feng, IA Bolotnov - Nuclear Engineering and Design, 2017 - Elsevier
Two-phase flows are present in various industrial processes in engineering fields ranging
from light water reactor engineering to petrochemical engineering. In this paper, we conduct …

Computational and experimental analysis of gas/liquid two-phase flow in rod bundles with mixing-vane spacer grids

BM Waite, HM Prasser, MZ Podowski - Nuclear Engineering and Design, 2020 - Elsevier
The existing evidence clearly shows that the physical phenomena governing gas/liquid two-
phase flows are quite complicated even in the case of smooth conduits and simple …

Effect of the wall presence on the bubble interfacial forces in a shear flow field

J Feng, IA Bolotnov - International Journal of Multiphase Flow, 2018 - Elsevier
Understanding the interactions between the bubbles and solid walls is important for
predicting how the bubbly flow characteristics, such as void fraction and statistical …

A study on large bubble motion and liquid film in vertical pipes and inclined narrow channels

F Behafarid, KE Jansen, MZ Podowski - International Journal of Multiphase …, 2015 - Elsevier
The objective of this paper is to discuss the results of a combined physical and
computational analysis of the dynamics of large deformable bubbles in conduits of different …

Modeling and Computer Simulation of Centrifugal CO2 Compressors at Supercritical Pressures

F Behafarid, MZ Podowski - Journal of Fluids …, 2016 - asmedigitalcollection.asme.org
The use of supercritical carbon dioxide (SC-CO2) as a working fluid in energy conversion
systems has many benefits, including high efficiency, compact turbomachinery, and the …

Is reactor multiphase thermal-hydraulics a mature field of engineering science?

MZ Podowski - Nuclear Engineering and Design, 2019 - Elsevier
The progress in multiphase science and technology has been driven to a considerable
extent by the problems arising from nuclear reactor thermal-hydraulics. However, the needs …

[PDF][PDF] Single bubble drag force evaluation in turbulent flow based on DNS results

J Feng, I Bolotnov - ANS Winter Meeting, 2016 - researchgate.net
Two-phase turbulent flows are widely encountered in the light water reactor engineering.
The interaction between liquid phase and gas phase is bi-directional: the liquid turbulence …