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 …

Laser‐induced fluorescence in multiphase systems

S Rüttinger, C Spille, M Hoffmann… - ChemBioEng …, 2018 - Wiley Online Library
Nowadays, multiphase flows occur in many different applications in everyday life or
industrial context. Consequently, the understanding of transport phenomenolgy between the …

Measurements of the coupling between the tumbling of rods and the velocity gradient tensor in turbulence

R Ni, S Kramel, NT Ouellette, GA Voth - Journal of Fluid Mechanics, 2015 - cambridge.org
We present simultaneous experimental measurements of the dynamics of anisotropic
particles transported by a turbulent flow and the velocity gradient tensor of the flow …

Lagrangian coherent structures and entrainment near the turbulent/non-turbulent interface of a gravity current

MM Neamtu-Halic, D Krug, G Haller… - Journal of fluid …, 2019 - cambridge.org
In this paper, we employ the theory of Lagrangian coherent structures for three-dimensional
vortex eduction and investigate the effect of large-scale vortical structures on the …

Thermographic 3D particle tracking velocimetry for turbulent gas flows

M Stelter, FJWA Martins, F Beyrau… - … Science and Technology, 2023 - iopscience.iop.org
Turbulent flows are characterized by diverse and unsteady three-dimensional (3D) features
that require 3D measurements to study. In case of non-isothermal flows, combined 3D …

The turbulent/non-turbulent interface in an inclined dense gravity current

D Krug, M Holzner, B Lüthi, M Wolf… - Journal of Fluid …, 2015 - cambridge.org
We present an experimental investigation of entrainment and the dynamics near the
turbulent/non-turbulent interface in a dense gravity current. The main goal of the study is to …

Fiber tracking velocimetry for two-point statistics of turbulence

S Brizzolara, ME Rosti, S Olivieri, L Brandt, M Holzner… - Physical Review X, 2021 - APS
We propose and validate a novel experimental technique to measure two-point statistics of
turbulent flows. It consists of spreading rigid fibers in the flow and tracking their position and …

[HTML][HTML] Comparison between 3-D-PTV and 2-D-PIV for determination of hydrodynamics of complex fluids in a stirred vessel

F Alberini, L Liu, EH Stitt, MJH Simmons - Chemical Engineering Science, 2017 - Elsevier
The capabilities of 3-D-Particle Tracking Velocimetry (PTV) to measure flow fields during the
blending of Newtonian and non-Newtonian fluids in a standard baffled cylindrical vessel are …

A versatile scanning method for volumetric measurements of velocity and density fields

JL Partridge, A Lefauve, SB Dalziel - Measurement Science and …, 2019 - iopscience.iop.org
Understanding turbulence in a stratified environment requires a detailed picture of both the
velocity field and the density field. Experimentally, this represents a significant measurement …

3D imaging of individual burning char and volatile plume in a pulverized coal flame with digital inline holography

Y Wu, L Yao, X Wu, J Chen, G Gréhan, K Cen - Fuel, 2017 - Elsevier
The burning behaviors of an individual coal particle in the combustion of a cloud of coal
particles is of great importance because it represents the realistic situation of pulverized coal …