Diego Sánchez-Saldaña, Maria Fernandino, Carlos A. Dorao
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Abstract
Inside Front Cover: The cover image is based on the Research Article Acoustic micro-beam vortex generator for flow actuation inside droplets by Sánchez-Saldaña et al.
A micro-size spiral IDT placed at the base of the droplet leads to an acoustic vortex that induces a poloidal flow inside the droplet with an ascendent flow in the centre and descendent flow in the periphery. This paper shows that the micro-size spiral IDT can control the scale of the flow actuation inside the droplet which in turn can be used for facilitating the operations on particles. (DOI: 10.1002/dro2.96)
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