Spreading of a droplet impacting on a smooth flat surface: how liquid viscosity influences the maximum spreading time and spreading ratio
Yunus Tansu Aksoy,
Pinar Eneren,
Erin Koos
et al.
Abstract:Existing energy balance models, which estimate maximum droplet spreading, fail to cover from low to high Weber and Reynolds numbers and contact angles. This is mainly due to the simplified definition of the viscous dissipation term and incomplete modeling of the maximum spreading time. In this particular research, droplet impact onto a smooth sapphire surface is studied for seven glycerol concentrations between 0% -100%, and 294 data points are acquired using high speed photography. Fluid properties such as de… Show more
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