A5080809091- Fluid Dynamics and Heat Transfer
- Heat Transfer and Boiling Studies
- Heat Transfer and Optimization
- Electrohydrodynamics and Fluid Dynamics
- Heat Transfer Mechanisms
- Fluid Dynamics Simulations and Interactions
- Spacecraft and Cryogenic Technologies
- Particle Dynamics in Fluid Flows
- Fluid Dynamics and Turbulent Flows
- Cavitation Phenomena in Pumps
- Atmospheric aerosols and clouds
- Combustion and flame dynamics
- Plant Surface Properties and Treatments
- Laser-induced spectroscopy and plasma
- Fluid Dynamics and Thin Films
- Flow Measurement and Analysis
- Calibration and Measurement Techniques
- Nanofluid Flow and Heat Transfer
- Radiative Heat Transfer Studies
- Ocean Waves and Remote Sensing
- Cyclone Separators and Fluid Dynamics
- Ship Hydrodynamics and Maneuverability
- Laser Material Processing Techniques
- Surface Modification and Superhydrophobicity
- Fluid Dynamics and Mixing
KU Leuven
2008-2024
Flanders Make (Belgium)
2020
Von Karman Institute for Fluid Dynamics
2009-2019
Istituto Nazionale per la Fisica della Materia
2000
Existing energy balance models, which estimate maximum droplet spreading, insufficiently capture the spreading from low to high Weber and Reynolds numbers contact angles. This is mainly due simplified definition of viscous dissipation term incomplete modeling time. In this particular research, impact on a smooth sapphire surface studied for seven glycerol concentrations between 0% - 100%, 294 data points are acquired using high-speed photography. Fluid properties such as density, tension,...
Cilia are hair-like organelles, present in arrays that collectively beat to generate flow. Given their small size and consequent low Reynolds numbers, asymmetric motions necessary create a net Here, we developed an array of six soft robotic cilia, which individually addressable, both mimic nature's symmetry-breaking mechanisms control asymmetries study influence on fluid propulsion. Our experimental tests corroborated with dynamics simulations, where find good agreement between show how the...
The low boiling temperature of dielectric fluids makes them suitable for satisfying the cooling requirements advanced high-energy-density devices commonly found in microelectronics. However, high wettability/wickability such coolants significantly affects dynamics, opening new research questions on crucial role played by micro- and nanostructures surface. While different studies point out importance microscale grooves, pillars cavities to promote nucleation enhance heat transfer coefficient...
Gaseous microemboli (GME) are a cause of neurocognitive deficit postcardiac surgery with cardiopulmonary bypass. However, the measurement microbubbles during bypass is not easy, because blood an opaque fluid and contains microparticles. Recently, two new microbubble counters, Gampt BC200 emboli detection classification (EDAC) quantifier, were developed for use cardiac surgery. The accuracy both devices was validated against industrial standards.A clear analogue (30%/70% glycerol-water)...
Spray cooling is a heat transfer technology that has already shown its advantages and limitations. There been increasing interest from academia industry in combining this with nanofluids as coolants, owing to their potential for enhancement. Nevertheless, there lack of understanding the physical mechanism leading enhancement presence technical problems prevent use spray applications. In study, we investigate effect water-based TiO2 on both characteristics using an industrial full-cone...
Droplet impacting and freezing on solid surfaces are ubiquitous in nature crucial to many industrial applications, while the underlying mechanism of this phenomenon remains elusive. In paper, effect surface wettability dynamic behaviors a water droplet substrate at fixed Weber number 200 has been experimentally investigated various temperatures from −35.2 −10 °C. With decrease temperature superhydrophobic surface, complete rebound behavior moves partial ultimately full adhesion, mainly due...
In neural tissue engineering (NTE), topographical, electrical, mechanical and/or biochemical stimulations are established methods to regulate cell activities in vitro cultures. Aerosol Jet® Printing is here proposed as enabling technology develop NTE integrated devices for electrically combined stimulations. The printability of a poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT: PSS) commercial ink onto reference substrate was firstly investigated and the effect process...
Despite numerous studies on nanofluids in microchannel heat sinks (MCHSs), they are not yet commercialized due to long-term stability issues and high maintenance costs. Therefore, this study explores the impact of nanoparticle clustering single-phase convective transfer inside microchannels under laminar conditions. Water commercially available water-based nanosuspensions, including Al2O3-water (30–60 nm), TiO2-water (5–30 polystyrene-water (50 circulated through silicon MCHS having...
The objective of this article is to present the development and validation in flight an airborne probe that can measure clouds size droplets whose diameters are range [20 μm; 200 μm].
The giant optical nonlinearity associated with photoinduced molecular reorientation of dye-doped nematic liquid crystals has been measured for a homologous set dyes belonging to the anthraquinone family, dissolved both in polar and nonpolar crystal host. We found strong sensitivity merit figure detailed structure dye substituent groups. Our results provide some insight into mechanisms underlying this phenomenon, whose full understanding will finally require picture guest–host intermolecular...