wetting
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~32 min read
Encyclopedic overview
27 sectionsContents
- Explanation
- Molecular energetic perspective of hydrophobicity
- High-energy vs. low-energy surfaces
- Wetting of low-energy surfaces
- Ideal solid surfaces
- Minimization of energy, three phases
- Simplification to planar geometry, Young's relation
- Simplification to planar geometry, Young's relation derived from variational computation
- Non-ideal smooth surfaces and the Young contact angle
- Young–Dupré equation and spreading coefficient
- Generalized model for the contact angle of droplets on flat and curved surfaces
- Computational prediction of wetting
- Non-ideal rough solid surfaces
- Wenzel's model
- Cassie–Baxter model
- Precursor film
- Petal effect vs. lotus effect
- Cassie–Baxter to Wenzel transition
- Spreading dynamics
- Modifying wetting properties
- Surfactants
- Surface changes
- Oxygen vacancies
- See also
- References
- Further reading
- External links
thumb|alt=Close-up of a drop of water (almost spherical) on blue fabric, with a shadow under it|Water bead on a fabric that has been made non-wetting by chemical treatment.
Wetting is the ability of a liquid to maintain contact with a solid surface by displacing another substance or material – either a gas, or other liquid not miscible with the wetting liquid – due to the differential strength of intermolecular interactions with the surface.
Excerpted from Wikipedia’s “wetting” article, available under the CC BY-SA 4.0 licence.