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Dynamic wetting of various liquids: Theoretical models, experiments, simulations and applications
Yichuan Zhang1, Mingming Guo2, David Seveno3
1School of Chemistry and Chemical Engineering, Chongqing Key Laboratory of Soft-Matter Material Chemistry and Function Manufacturing, Southwest University, Chongqing 400715, China; Department of Materials Engineering, KU Leuven, 3001 Leuven, Belgium; Transfers, Interfaces and Processes, Université libre de Bruxelles, 1050 Bruxelles, Belgium.
Advances in Colloid and Interface Science
|February 26, 2023
Summary
Understanding dynamic wetting, crucial for applications like the lotus effect, remains challenging. This review synthesizes advances in liquid-solid interactions and theories to predict wetting dynamics.
Area of Science:
- Surface Science
- Fluid Dynamics
- Materials Science
Background:
- Dynamic wetting is a complex interfacial phenomenon with widespread applications, exemplified by the lotus effect.
- Despite decades of research, predicting wetting dynamics is difficult due to coupled factors: solid surfaces, surrounding atmosphere, and liquid properties.
- Moving contact line physics involves intricate interactions between liquid, solid, and surrounding environment.
Purpose of the Study:
- To review major advances in dynamic wetting literature.
- To critically compare existing theories of wetting dynamics.
- To highlight new physical concepts and emerging applications in dynamic wetting.
Main Methods:
- Systematic review of existing literature on dynamic wetting.
- Critical comparison of major theories governing wetting dynamics.
- Summarization of dynamic wetting phenomena across various liquid types (small-molecule, metal, polymer, simulated).
Main Results:
- Identification and discussion of key physical concepts like surface segregation and contact line fluctuations.
- Overview of the challenges in fully understanding and predicting wetting dynamics.
- Presentation of emerging applications driven by advances in dynamic wetting.
Conclusions:
- A comprehensive understanding of dynamic wetting requires further research into coupled physical phenomena.
- Future work should focus on addressing the identified challenges to harness wetting dynamics more effectively.
- This review provides a foundation for future developments in dynamic wetting research and applications.
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