A review of solid–fluid selection options for optical-based measurements in single-phase liquid, two-phase liquid–liquid and multiphase solid–liquid flows

SF Wright, I Zadrazil, CN Markides - Experiments in Fluids, 2017 - Springer
Experimental techniques based on optical measurement principles have experienced
significant growth in recent decades. They are able to provide detailed information with high …

Review of Refractive Index‐Matching Techniques of Polymethyl Methacrylate in Flow Field Visualization Experiments

D Fan, R Li, M He, X Li, J Li, J Wen, Y Hu… - … Journal of Energy …, 2023 - Wiley Online Library
The development of modern computational fluid dynamics (CFD) technology provides many
preliminary references for experimental design. In addition, the CFD calculation results …

Experimental investigation of cross flow mixing in a randomly packed bed and streamwise vortex characteristics using particle image velocimetry and proper …

T Nguyen, R Muyshondt, YA Hassan, NK Anand - Physics of Fluids, 2019 - pubs.aip.org
The study of flow and heat transfer through porous media or randomly packed beds is
important as these configurations are widely used in many engineering applications, for …

Stereoscopic PIV measurements of near-wall flow in a tightly packed rod bundle with wire spacers

T Nguyen, N Goth, P Jones, R Vaghetto… - Experimental Thermal and …, 2018 - Elsevier
In this study, we experimentally investigated the flow field characteristics in the complex
geometry of a tightly packed 61-rod bundle with wire spacers by employing matched-index …

Time-resolved PIV measurements in a low-aspect ratio facility of randomly packed spheres and flow analysis using modal decomposition

T Nguyen, E Kappes, S King, Y Hassan, V Ugaz - Experiments in Fluids, 2018 - Springer
This work experimentally investigated the flow characteristics in a facility with randomly
packed spheres at a low-aspect ratio of 4.4. Velocity fields in the near-wall region and in the …

[HTML][HTML] Experimental investigation of turbulent wake flows in a helically wrapped rod bundle in presence of localized blockages

T Nguyen, R Vaghetto, Y Hassan - Physics of Fluids, 2020 - pubs.aip.org
In nuclear sodium fast reactors, bundles of rods are tightly packed into a triangular lattice,
enclosed in a hexagonal duct, and each pin is spirally wrapped with a thin wire. Flow …

Experimental flow visualization study using particle image velocimetry in a helical coil steam generator with changing lateral pitch geometry

M Delgado, YA Hassan, NK Anand - International journal of heat and mass …, 2019 - Elsevier
A full size section from a helical coil steam generator with five concentric coils with a helix-to-
rod diameter ratio of 127 was constructed to study shell side fluid flow. The geometry has a …

Flow visualization study at the interface of alternating pitch tube bundles in a model helical coil steam generator using particle image velocimetry

M Delgado, S Lee, YA Hassan, NK Anand - International Journal of Heat …, 2018 - Elsevier
Abstract A simplified Helical Coil Steam Generator (HCSG) model was constructed to study
the flow on the shell side of rod bundles that coil against one another, using a 12-degree …

Using Transparent Soils to Observe Soil Liquefaction and Fines Migration

J Chang, D Airey - Journal of Imaging, 2022 - mdpi.com
The cyclic liquefaction of soils and associated mud-pumping can lead to costly repairs of
roads, railways, and other heavy-haul infrastructure. Over the last decade, several laboratory …

Applications of RIM-Based Flow Visualization in Fluid-Solid Interaction Problems: A Review of Formulations and Prospects

H Zeng, D Cao, H Chen, Q Chai, T Lu - Water, 2024 - mdpi.com
Over the past three decades, optical visualization measurements based on the Refractive
Index Match (RIM) method have played a significant role in the experimental studies of fluid …