Uncertainty quantification for Multiphase-CFD simulations of bubbly flows: a machine learning-based Bayesian approach supported by high-resolution experiments

Y Liu, D Wang, X Sun, N Dinh, R Hu - Reliability Engineering & System …, 2021 - Elsevier
In this paper, we developed a machine learning-based Bayesian approach to inversely
quantify and reduce the uncertainties of multiphase computational fluid dynamics (MCFD) …

A new method for measuring the uniformity of multiphase mixing in direct contact heat exchangers based on the EMT system

X Gao, H Hao, H Chen, J Xu - Chemical Engineering Research and Design, 2024 - Elsevier
This study presents a novel approach for quantifying the mixing homogeneity of fluids in
direct contact heat exchangers (DCHEs) using electromagnetic tomography (EMT) in …

Numerical simulation on vortex flow and CO2 bubble aggregation behavior in a raceway pond with diaphragm aerators

X Zou, M Rao, J Ye, C Kuang, C Huang, G Chen… - Biochemical …, 2024 - Elsevier
To optimize flow field in a raceway pond with diaphragm aerators to promote microalgal CO
2 fixation, numerical simulation on three-phases (CO 2 bubbles-culture medium-microalgae …

LBM simulation of bubble breakup dynamics in microchannels at large density ratios

M Qin, N Zhang, H Zhang, W Zhang, P Liu… - Chemical Engineering …, 2025 - Elsevier
This study develops a lattice Boltzmann model (LBM) that incorporates a Multi-Component
Multi-Phase flow model (MCMP) with a Multi-Relaxation Time (MRT) collision operator to …

Novel Venturi injector reactor design with multiple inlets in ammonia–nitrogen wastewater

L Zhou, C Li, Y Chen, H Liu, M Lin, J Duan… - Separation and …, 2025 - Elsevier
The Venturi injector reactor has a robust and durable design, and provides outstanding
efficiency and dependability. The flow field control in the Venturi reactor is an effective way …

Novel Venturi injector reactor design and application in ammonia nitrogen wastewater treatment

W Wang, L Zhou, C Li, G Li, Y Chen, Q Pan, Z Yu… - Journal of Water …, 2024 - Elsevier
The Venturi injector reactor has a robust and durable design and is highly efficient and
reliable. The flow field control in the Venturi reactor is an effective way to enhance gas …

Numerical simulations and validation of single-and two-phase flow in a stirred lab-scale photobioreactor

M Rebej, T Juřena, J Vondál, DF Herraiz… - Biosystems …, 2023 - Elsevier
Highlights•Coarse to medium meshes provided a satisfactory description of the flow.•A large
vortex near the rotating magnetic stirrer dominates the flow.•Distribution of velocity showed a …

Uncertainty quantification for multiphase computational fluid dynamics closure relations with a physics-informed bayesian approach

Y Liu, N Dinh, X Sun, R Hu - Nuclear Technology, 2023 - Taylor & Francis
Abstract Multiphase Computational Fluid Dynamics (MCFD) based on the two-fluid model is
considered a promising tool to model complex two-phase flow systems. MCFD simulation …

Experimental and numerical investigation of graphite-steam oxidation for HTGRs

C Wang - 2021 - deepblue.lib.umich.edu
Nuclear graphite is proposed for use in High-temperature Gas-cooled Reactor (HTGR)
designs as the neutron moderator, reflector, and core structural material. During the normal …

[PDF][PDF] Influence of Seeding Particles on Particle Image Velocimetry Measurements in Single-Phase Turbulent Pipe Flow

B Mikuž, J Kren, AK Basavaraj, D Kuščer - djs.si
ABSTRACT Particle Image Velocimetry (PIV) is a widely used technique for flow
measurement in fluids. It is an optical method for flow visualization, which is non-invasive …