Metamaterial control of the surface acoustic wave streaming jet
C Pouya,
G R Nash
Abstract:The phenomenon of surface acoustic wave (SAW) streaming, where a streaming jet is created, occurs when a SAW propagating on the surface of a solid interacts with water, and underpins the increasingly important area of SAW microfluidics. A key characteristic of the streaming jet is the Rayleigh angle, i.e. the angle at which the jet is formed relative to the surface normal of the solid, which is determined by the ratio of the velocity of the acoustic wave in the fluid and in the solid. Although the ability to d… Show more
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