[HTML][HTML] Effects of liquid properties on atomization and spray characteristics studied by planar two-photon fluorescence

H Ulrich, B Lehnert, D Guénot, K Svendsen… - Physics of …, 2022 - pubs.aip.org
In this work, planar two-photon laser-induced fluorescence (2p-LIF) is applied for the first
time to analyze the fluid dependent spray structure and atomization behavior of water and …

Effect of turbulence intensity and surface tension on the emulsification process and its stationary state—A numerical study

A Begemann, T Trummler, E Trautner… - … Canadian Journal of …, 2022 - Wiley Online Library
We study turbulent emulsions and the emulsification process in homogeneous isotropic
turbulence (HIT) using direct numerical simulations (DNS) in combination with the volume of …

Effect of the density ratio on emulsions and their segregation: A direct numerical simulation study

O Krzeczek, T Trummler, E Trautner, M Klein - Energies, 2023 - mdpi.com
Using direct numerical simulation (DNS) in combination with the volume of fluid method
(VoF), we investigate the influence of the density ratio between the carrier and dispersed …

Two-dye two-color laser-induced fluorescence spectroscopy on droplets of green solvent water/ethanol mixtures for thermometry and mixture composition

H Ulrich, R Weiß, L Zigan - Experiments in Fluids, 2024 - Springer
This work shows new insights on the application of two-color laser-induced-fluorescence (2c-
LIF) thermometry in a droplet chain. A two-dye mixture is used in ethanol, water and …

Fluorescence spectroscopy for studying evaporating droplets using the dye eosin-Y

M Koegl, C Weiß, L Zigan - Sensors, 2020 - mdpi.com
Laser-induced fluorescence (LIF) spectroscopy using dyes is frequently applied for
characterization of liquids and two-phase flows. The technique is utilized eg, for mixing …

Polarization-dependent LIF/Mie ratio for sizing of micrometric ethanol droplets doped with Nile red

M Koegl, H Dai, K Baderschneider, H Ulrich, L Zigan - Applied Optics, 2022 - opg.optica.org
The present study deals with droplet sizing based on laser-induced fluorescence (LIF) and
Mie scattering for varied polarization of the utilized laser (parallel or perpendicular). The …

Characterization of tracers for two-color laser-induced fluorescence thermometry of liquid-phase temperature in ethanol, 2–ethylhexanoic-acid/ethanol mixtures, 1 …

MM Prenting, M Shilikhin, T Dreier, C Schulz… - Applied Optics, 2021 - opg.optica.org
The fluorescence spectra of dye solutions change their spectral signature with temperature.
This effect is frequently used for temperature imaging in liquids and sprays based on two …

Optical sensor system for early warning of inflow organic matter breach in large-scale irrigation systems and water treatment systems

S Sinitsa, N Sochen, D Mendlovic… - IEEE Sensors …, 2021 - ieeexplore.ieee.org
A growing world population together with a decrease in water resources have resulted in a
deficit in water sources for agriculture. Nations with limited water resources are already …

[HTML][HTML] Numerical investigation of the segregation of turbulent emulsions

T Trummler, A Begemann, E Trautner, M Klein - Physics of Fluids, 2022 - pubs.aip.org
We study the segregation of emulsions in decaying turbulence using direct numerical
simulations in combination with the volume of fluid method. To this end, we generate …

ER-R: improving regression by deep learning and prior knowledge utilization for fluorescence analysis

S Sinitsa, N Sochen, M Borisover… - Chemometrics and …, 2023 - Elsevier
Linear regression is a dominant estimation technique in chemometrics, where there is a
need for inexpensive and reliable sensors for water monitoring. However, most problems …