Semi-dry flue gas desulphurization in spray towers: a critical review of applicable models for computational fluid dynamics analysis

L Lerotholi, RC Everson, L Koech, H Neomagus… - Clean Technologies and …, 2022 - Springer
In semi-dry flue gas desulphurization in a spray dry scrubber, the desulphurization efficiency
is a result of the competition between the spray droplets SO2 absorption rate and the …

A neural network approach to visibility range estimation under foggy weather conditions

H Chaabani, F Kamoun, H Bargaoui, F Outay - Procedia computer science, 2017 - Elsevier
The degradation of visibility due to foggy weather conditions is a common trigger for road
accidents and, as a result, there has been a growing interest to develop intelligent fog …

[HTML][HTML] A computational fluid dynamics investigation of a novel flooded-bed dust scrubber with vibrating mesh

Z Lu, A Rath, SH Amini, A Noble, S Shahab - International Journal of Mining …, 2022 - Elsevier
This work proposes a vibrating mesh screen as an alternative to the static mesh screen
currently used in conventional flooded-bed dust scrubbers for removing airborne coal mine …

Distribution of liquid mass in transient sprays measured using laser-plasma-driven x-ray tomography

D Guénot, K Svendsen, B Lehnert, H Ulrich… - Physical Review …, 2022 - APS
We report, the use of laser-plasma-driven x rays to reveal the three-dimensional (3D)
structure of a highly atomizing water spray. Soft x rays approximately 5 keV are generated by …

[HTML][HTML] Sensitivity of VOF simulations of the liquid jet breakup to physical and numerical parameters

H Grosshans, A Movaghar, L Cao, M Oevermann… - Computers & …, 2016 - Elsevier
In this paper the characteristics of the primary breakup of a liquid jet is analyzed numerically.
We applied the Volumes of Fluids (VOF) approach utilizing the Direction Averaged …

A model for the non-uniform contact charging of particles

H Grosshans, MV Papalexandris - Powder Technology, 2017 - Elsevier
If a particle is in contact with another solid electric charge may be exchanged. Previous
experimental observations clearly prove that the amount of exchanged charge does not only …

Optimization of planar LIF/Mie imaging for droplet sizing characterization of dilute sprays

S Garcia, P Doublet, C Lempereur, G Illac, M Stiti… - Experiments in …, 2023 - Springer
The aim of this work is to investigate the planar LIF/Mie droplet sizing technique from an
experimental and theoretical point of view. This technique is a good alternative compared to …

Assessment of droplet breakup models for spray flow simulations

C Sula, H Grosshans, MV Papalexandris - Flow, Turbulence and …, 2020 - Springer
In this paper we examine droplet behavior and macroscopic atomization characteristics of a
non-reactive liquid spray via a series of large-eddy simulations. In our numerical study we …

Numerical study of the influence of the powder and pipe properties on electrical charging during pneumatic conveying

H Grosshans, MV Papalexandris - Powder technology, 2017 - Elsevier
During pneumatic transport, powders often experience the build-up of electrostatic charge
due to collisions of the particles with the pipe. Since this can lead to hazardous spark …

Estimating ambient visibility in the presence of fog: a deep convolutional neural network approach

F Outay, B Taha, H Chaabani, F Kamoun… - Personal and Ubiquitous …, 2021 - Springer
Next-generation intelligent transportation systems are based on the acquisition of ambient
data that influence traffic flow and safety. Among these, is the ambient visibility range whose …