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Št. zadetkov: 4
Exploring material removal dynamics during femtosecond laser micromachining by in-situ acoustic emission monitoring with physics-based and data-driven analysis
Kerim Yildirim, Dominik Kozjek, Pol Vanwersch, Balasubramanian Nagarajan, Sylvie Castagne
Izvirni znanstveni članek
Oznake: femtosecond laser micromachining;in-situ monitoring;acoustic emission;machine learning;characteristic signal analysis;
Femtosecond laser micromachining (FLµM) has emerged as a transformative technology for precision microfabrication, offering minimal thermal damage and exceptional resolution across diverse materials, including metals, semiconductors, polymers, and ceramics. Despite its advantages, FLµM faces challen ...
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)
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)
Št. zadetkov: 4
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