Abstract
An interesting phenomenon in which a vortex flow occurs in a circle chamber is observed when we impart periodical pressure vibration in the main channel where the circle chamber is connected at the corner with sharp bending angle. This phenomenon is called Vibration based Virtual Vortex Gear (V3G). A vortex flow can be induced under V3G without continuous fluid flow at the entrance of the chamber. By the characteristic, it is possible to mix micro objects in the chamber with V3G mode. Furthermore, the characteristics of V3G is enhanced by an additional air chamber. We developed an experiment system and evaluated the distribution of beads density by using luminance level for evaluating the effect of V3G.
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