Sam Dehaeck
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View article: Enhanced Vision-Based Quality Inspection: A Multiview Artificial Intelligence Framework for Defect Detection
Enhanced Vision-Based Quality Inspection: A Multiview Artificial Intelligence Framework for Defect Detection Open
Automated defect detection is a critical component of modern industrial quality control. However, it is particularly difficult to identify subtle defects such as scratches on metallic surfaces. Therefore, this paper investigates the effect…
View article: Evaporation from a cylindrical cavity: effect of gravity on the vapour cloud
Evaporation from a cylindrical cavity: effect of gravity on the vapour cloud Open
We examine the vapour cloud of a pure liquid evaporating from a millimetric cylindrical well/cavity/aperture. This is accomplished by injecting the liquid up a vertical pipe towards its outlet onto a horizontal substrate. The injection is …
View article: Active Role of Vapor Clouds around Evaporating Sessile Droplets in Microgravity: Marangoni Jets and Electroconvection
Active Role of Vapor Clouds around Evaporating Sessile Droplets in Microgravity: Marangoni Jets and Electroconvection Open
A benchmark microgravity experiment (dubbed "ARLES") is analyzed. It concerns evaporation of several-μL sessile droplets with a pinned millimetric circular contact line on a flat substrate into a vast calm (here nitrogen) atmosphere at nea…
View article: Experimental study on evaporation of droplets in microgravity and in the presence of electric field
Experimental study on evaporation of droplets in microgravity and in the presence of electric field Open
One of the key limiting factors in the evaporation rate of sessile droplets is the evacuation of the generated vapour away from the liquid-air interface. In the absence of convection, the main driving mechanism is the vapour diffusivity: a…
View article: Water–propylene glycol sessile droplet shapes and migration: Marangoni mixing and separation of scales
Water–propylene glycol sessile droplet shapes and migration: Marangoni mixing and separation of scales Open
New light is shed on morphological features of water–propylene glycol sessile droplets evaporating into ambient air at not too high relative humidity. Such droplets adopt a Marangoni-contracted shape even on perfectly wetting substrates, a…
View article: The multiscale boiling investigation on-board the International Space Station: An overview
The multiscale boiling investigation on-board the International Space Station: An overview Open
This publication lays the foundation for the description of the Multiscale Boiling Experiment, which was conducted within two measurement campaigns on the International Space Station between 2019 and 2021. The experiment addresses fundamen…
View article: Effect of precipitation mineralization reactions on convective dissolution of CO2 : an experimental study
Effect of precipitation mineralization reactions on convective dissolution of CO2 : an experimental study Open
<p>To analyze the influence of a precipitation mineralization reaction between dissolved CO<sub>2</sub> and calcium ions on the convective transfer of CO<sub>2</sub> towards an aqueous phase, the convective di…
View article: Two-dimensional modelling of transient capillary driven damped micro-oscillations and self-alignment of objects in microassembly
Two-dimensional modelling of transient capillary driven damped micro-oscillations and self-alignment of objects in microassembly Open
View article: Effect of Magnetic Susceptibility Gradient on the Magnetomigration of Rare-Earth Ions
Effect of Magnetic Susceptibility Gradient on the Magnetomigration of Rare-Earth Ions Open
Magnetomigration of rare-earth ions activated by thermal and evaporation-based gradients was demonstrated using Mach-Zehnder interferometry. Magnetic susceptibility gradients were induced in aqueous solutions of rare-earth ions by local he…
View article: Vapor-Mediated versus Substrate-Mediated Interactions between Volatile Droplets
Vapor-Mediated versus Substrate-Mediated Interactions between Volatile Droplets Open
Understanding the behavior of sessile drops can be rewarding in many applications while also fostering progress in the rapidly evolving field of capillarity and wetting. Our experiments reveal that two evaporating sessile drops on a solid …
View article: Hybrid Two-Scale Fabrication of Sub-Millimetric Capillary Grippers
Hybrid Two-Scale Fabrication of Sub-Millimetric Capillary Grippers Open
Capillary gripping is a pick-and-place technique that is particularly well-suited for handling sub-millimetric components. Nevertheless, integrating a fluid supply and release mechanism becomes increasingly difficult to manufacture for the…
View article: How to measure the thickness of a lubrication film in a pancake bubble with a single snapshot?
How to measure the thickness of a lubrication film in a pancake bubble with a single snapshot? Open
In the in-line bright-field image of a pancake-like bubble, a ring-shaped zone of maximum intensity is visible, called the glare ring. It is due to multiple interactions of light with the bubble interface. In this study, we develop a metho…
View article: Magnetophoretic Sprinting: A Study on the Magnetic Properties of Aqueous Lanthanide Solutions
Magnetophoretic Sprinting: A Study on the Magnetic Properties of Aqueous Lanthanide Solutions Open
Droplets of aqueous solutions of trivalent lanthanide ions (Ln3+) were formed inside an immiscible fluid. The motion of the droplets, induced by the magnetic field of a Nd–Fe–B permanent magnet, was measured. By using the relationship betw…
View article: Magnetomigration of Rare-Earth Ions Triggered by Concentration Gradients
Magnetomigration of Rare-Earth Ions Triggered by Concentration Gradients Open
Mach-Zehnder interferometry was applied to explore the effects of inhomogeneous magnetic fields on the mobility of rare-earth ions in aqueous solutions. No migration of ions was observed in a thermodynamically closed system when a homogene…
View article: Evaporation dynamics of completely wetting drops on geometrically textured surfaces
Evaporation dynamics of completely wetting drops on geometrically textured surfaces Open
This study deals with the evaporation dynamics of completely wetting and highly volatile drops deposited on geometrically textured but chemically homogeneous surfaces. The texturation consists in a cylindrical pillars array with a square p…
View article: Soft Encapsulation of Flexible Electrical Stimulation Implant: Challenges and Innovations
Soft Encapsulation of Flexible Electrical Stimulation Implant: Challenges and Innovations Open
In this document we discuss the main challenges encountered when producing flexible electrical stimulation implants, and present our approach to solving them for prototype production. We include a study of the optimization of the flexible …
View article: Two-components droplet evaporation: experiments and modelling
Two-components droplet evaporation: experiments and modelling Open
info:eu-repo/semantics/published