Guest Editors
Assoc. Prof. Jingting Liu
Email: liujingting@sdu.edu.cn
Affiliation: School of Mechanical Engineering, Shandong University, Jinan, 250061, China
Homepage:
Research Interests: Laboratory experiments and computational fluid dynamics:
The fundamental physics and acoustics of bubbles (bubble, cavitation bubble and ocean bubble)
The process of fluid transfer (Fluid Machinery, pipes, and valves)
Assoc. Prof. Jia Man
Email: mj@sdu.edu.cn
Affiliation: School of Mechanical Engineering, Shandong University, Jinan, 250061, China
Homepage:
Research Interests: Lubricating coating; Drag reduction; Antifouling coating
Summary
The influence of material surface properties on multiphase flow hydrodynamics has emerged as a significant research focus in fields such as fluid mechanics, materials science, and surface engineering. Surface characteristics, particularly wettability (hydrophilicity/hydrophobicity), roughness, surface energy, and chemical properties, play a critical role in governing the behavior of bubbles and droplets in multiphase systems, including their nucleation, motion, detachment, and interactions. These behaviors have profound implications for applications in microfluidics, boiling heat transfer, electrochemical reactions, self-cleaning surfaces, and biomedical engineering.
Hydrophilic surfaces, characterized by low contact angles, promote droplet spreading and facilitate rapid bubble detachment, making them suitable for applications requiring efficient heat transfer or fast wetting. In contrast, hydrophobic surfaces, with high contact angles, enable droplets to maintain spherical shapes and delay bubble detachment, which is advantageous for self-cleaning, anti-icing, and drag reduction applications. Surface roughness, chemical coatings, and micro/nanostructures further modulate multiphase flow dynamics, allowing precise control over bubble and droplet behavior through tailored surface designs.
This Special Issue aims to bring together cutting-edge research exploring the profound impact of material surface properties on multiphase flow hydrodynamics, fostering advancements at the intersection of surface engineering and fluid mechanics. Topics of interest include, but are not limited to:
- The effects of hydrophilic/hydrophobic surfaces on bubble and droplet nucleation, detachment, and motion;
- The role of surface roughness and micro/nanostructures in regulating multiphase flow behavior;
- The application of surface chemical modifications in multiphase systems;
- Optimization of multiphase flow in microfluidics, boiling heat transfer, and electrochemical processes;
- Multi responsive functional surfaces/Large-scale of complex micro-nano structures preparation technology.
By deepening the understanding of the interplay between material surface properties and multiphase flow behavior, this SI seeks to provide theoretical insights and technical guidance for scientific research and engineering applications. We invite researchers to contribute their work, driving innovation and development in this dynamic and interdisciplinary field.
Keywords
Material Surface Properties; Multiphase Flow; Bubbles; Droplets; Material Surface Treatment; Experimental Technology; Computational Fluid Dynamics; Hydrophilic/hydrophobic Surfaces
Published Papers
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