科研之友
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摘要
On a superhydrophobic surface, the internal fluidity of water droplets with different volumes (15, 30 mu L) and their horizontal motion in an external electric field were evaluated using particle image velocimetry (PIV). For driving of water droplets oil it superhydrophobic coating between parallel electrodes, it was important to place them at appropriate positions. Droplets moved with slipping. Small droplets showed deformation that is more remarkable. Results show that the dielectrophoretic force induced the initial droplet motion and that the surface potential gradient drove the droplets after reaching the middle point between electrodes.
- 出版日期2010-2-2
