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Published on: November 14, 2025
Lowering liquid-solid interfacial thermal resistance with nanopatterned surfaces
1Department of Mechanical and Manufacturing Engineering, University of Calgary, Calgary, Alberta, Canada. khaled.issa@ucalgary.ca
Summary
Nanopatterned surfaces alter liquid-solid interface heat transfer by changing wetting and vibration. This study uses molecular dynamics simulations to link surface topology to thermal resistance.
Area of Science:
- Surface science
- Thermal transport
- Nanotechnology
Background:
- Surface topology significantly impacts heat transfer at liquid-solid interfaces.
- Nanopatterned surfaces offer tunable properties for controlling interfacial phenomena.
Purpose of the Study:
- To investigate the influence of surface nanopatterning on thermal resistance across liquid-solid interfaces.
- To elucidate the relationship between surface characteristics, interfacial properties, and heat transfer.
Main Methods:
- Molecular dynamics (MD) simulations were employed to model liquid-solid interfaces.
- Analysis focused on surface wetting behavior and solid surface vibrational properties.
Main Results:
- Surface nanopatterning was found to strongly influence wetting behavior and solid vibrational properties.
- These changes directly affect the vibrational coupling between the liquid and the solid surface.
- A significant correlation was observed between vibrational coupling and thermal resistance at the interface.
Conclusions:
- Surface nanopatterning is a key factor in modulating thermal resistance at liquid-solid interfaces.
- Wetting and vibrational properties are critical mediators of this effect.
- MD simulations provide valuable insights into nanoscale heat transfer mechanisms.
