One can realize that head-to-head droplets never coalesce if there exists a temperature gradient over the free surface under the condition of the non-zero temperature coefficient of the surface tension. The present authors focus upon unique behavior of the particles suspended in droplets formed between the coaxial cylindrical rods with a temperature difference. Several kinds of patterns emerged in the hotter droplet will be introduced. Spatio-temporal particle behaviors are reconstructed by applying three dimensional particle tracking velocimetry (3-D PTV).
Volume Subject Area:
Electronic Devices and Manufacturing in Micro/Nano-Scale Systems
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