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Št. zadetkov: 6
Impact of electrode surface texturing on hydrogen bubble dynamics during proton exchange membrane water electrolysis
Jakob Raeymaekers, Klara Arhar, Matic Može, Pierre Colinet, Iztok Golobič, Johan Steelantd, Maria Rosaria Vetrano
Izvirni znanstveni članek
Oznake: electrolysis;hydrogen evolution reaction (HER);bubbles;nucleation;wettability;laser surface texturing;
Water electrolysis systems are vital for sustaining human life during long-term space exploration missions. The main obstacle to the in-space operation of a water electrolysis system is the near-absence of buoyancy forces, impeding the detachment of hydrogen and oxygen bubbles from the electrodes an ...
Leto: 2025 Vir: Fakulteta za strojništvo (UL FS)
Effect of surface wettability on dynamic behaviors and freezing mechanisms of water droplets impacting cold surfaces
Yuheng Shang, Matic Može, Yunus Tansu Aksoy, Sylvie Castagne, David Seveno, Iztok Golobič, Maria Rosaria Vetrano
Izvirni znanstveni članek
Oznake: phase transitions;heat transfer;infrared imaging;ultrahydrophobicity;gas liquid interfaces;hydrophobic effect;fluid dynamics;droplet rebound;droplet freezing;superhydrophobicity;
Droplet impacting and freezing on solid surfaces are ubiquitous in nature and crucial to many industrial applications, while the underlying mechanism of this phenomenon remains elusive. In this paper, the effect of surface wettability on dynamic behaviors and freezing mechanism of a water droplet im ...
Leto: 2024 Vir: Fakulteta za strojništvo (UL FS)
Experimental investigation of the impact of surface tension and artificial nucleation site geometry on the bubble growth
Matevž Vodopivec, MG Berhe, Mattia Bucci, Matevž Zupančič, Donato Fontanarosa, Matic Može, S. Castagnet, Iztok Golobič, Maria Rosaria Vetrano
Objavljeni znanstveni prispevek na konferenci
Oznake: mehurčkasto vrenje;površinska napetost;mikrojamice;femtosekundni laserji;funkcionalizacija površin;nucleate boiling;surface tension;microcavities;femtosecond lasers;surface functionalization;
The present work provides an experimental assessment of the impact of liquid surface tension on the single bubble dynamics generated by artificial nucleation cavities during boiling in a quiescent liquid. De-ionized water is used with and without added non-ionic surfactant (Dynol 800) to modify the ...
Leto: 2024 Vir: Fakulteta za strojništvo (UL FS)
Enhanced nucleate boiling of Novec 649 on thin metal foils via laser-induced periodic surface structures
Matevž Zupančič, Donato Fontanarosa, Matic Može, Mattia Bucci, Matevž Vodopivec, Balasubramanian Nagarajan, Maria Rosaria Vetrano, Sylvie Castagne, Iztok Golobič
Izvirni znanstveni članek
Oznake: nucleate boiling;heat transfer enhancement;dielectric fluids;thin metallic foils;laser microstructuring;surface structures;
The low boiling temperature of dielectric fluids makes them suitable for satisfying the cooling requirements of advanced high-energy-density devices commonly found in microelectronics. However, the high wettability/wickability of such coolants significantly affects the boiling dynamics, opening new ...
Leto: 2024 Vir: Fakulteta za strojništvo (UL FS)
Experimental investigation of single bubble dynamics on a novel high aspect ratio conical micro-cavity in saturated pool boiling: Impact of surface tension
Matevž Vodopivec, Donato Fontanarosa, Mulugeta Gebrekiros Berhe, Mattia Bucci, Matic Može, Matevž Zupančič, Sylvie Castagne, Iztok Golobič, Maria Rosaria Vetrano
Izvirni znanstveni članek
Oznake: pool boiling;femtosecond laser texturing;bubble dynamics;surface tension;artificial nucleation site;
The present work experimentally explores the role of the surface tension in the single DI water vapor bubble dynamics in the presence of a novel conical microcavity produced via femtosecond laser texturing. An organic surfactant was used to reduce the surface tension of DI water by dissolving it in ...
Leto: 2025 Vir: Fakulteta za strojništvo (UL FS)
Surface morphology effects on droplet spreading and rebound dynamics on subcooled superhydrophobic surfaces
Matic Može, Yuheng Shang, Samo Jereb, Nina Kovač, Miha Štucin, Tim Štrus, Peter Rodič, Matevž Zupančič, Maria Rosaria Vetrano, Iztok Golobič
Izvirni znanstveni članek
Oznake: droplet impact;droplet rebound;contact time;spreading factor;superhydrophobic surfaces;icephobicity;laser-textured surfaces;
Subcooled superhydrophobic surfaces have notable applications in aerospace, energy, and refrigeration industries. Superhydrophobic behavior can be achieved with different microscale surface morphologies which can impact the water repellency and icephobicity of the surface. To comprehensively study h ...
Leto: 2025 Vir: Fakulteta za strojništvo (UL FS)
Št. zadetkov: 6
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