Contact angle and line tension dependence on curvature
✍ Scribed by G. Navascués; P. Tarazona
- Publisher
- Elsevier Science
- Year
- 1981
- Tongue
- English
- Weight
- 263 KB
- Volume
- 82
- Category
- Article
- ISSN
- 0009-2614
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✦ Synopsis
Contact angle and hne tension dependence on the curvature of the three-phase contact region has been analysed. It has been found that curvature effects can be neglected when the drop radius is larger than the thickness of the contact regron evcept for smalt contact angles. The contact angle 8 is related to the other capillarity parameters in wetting problems by the well-known Young equation_ Pethica [l] and Boruvka and Neumann [2] have shown that the Young equation must be modified to mclude curvature effects as follows
📜 SIMILAR VOLUMES
## Experiments with different organic liquids have been conducted to study the drop size dependence of the contact angles on a self-assembled monolayer (SAM) surface of 1-octadecanethiol (HS(CH 2 ) 17 CH 3 ) on gold. Low-rate dynamic advancing contact angles were measured for sessile drops in vapo
The contact angle, θ , of a small bubble on a flat solid substrate was measured as a function of bubble radius, R. The observed deviation of the contact angle from 90 • can be accounted for in terms of a negative line tension, τ . The measured values of |τ |/γ f , where γ f is the film tension, rang
the intrinsic contact angle u i that a liquid drop makes with An approximate theory for calculating the line tension in a an ideal solid surface (2, 8) solid-liquid-fluid system is presented and demonstrated for a solid-liquid-vapor system. The line tension is shown to depend on the contact angle. C