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This paper reports an experimental investigation of low Weber number water drops impacting onto solid surfaces exhibiting anisotropic wetting. The wetting anisotropy is created by patterning the solid surfaces with unidirectional parallel grooves. Temporal measurements of impacting drop parameters such as drop base contact diameter, apparent contact angle of drop, and drop height at the center are...
Wettability gradient surfaces play a significant role in control and manipulation of liquid drops. The present work deals with the analysis of water drops impacting onto the junction line between hydrophobic texture and hydrophilic smooth portions of a dual-textured substrate made using stainless steel material. The hydrophobic textured portion of the substrate comprised of unidirectional parallel...
The impact of water drops on a grooved surface exhibiting hydrophobic features is studied experimentally. The grooved surface is made of stainless steel and is comprised of a structure of unidirectional grooves. The groove structure yielded contact angles 135° and 107° for water on the surface perpendicular to the groove direction and parallel to the groove direction respectively compared to 80° on...
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