Streaming patterns near sharp edges in a miscroacoustofluidic channel. Among other things, this device configuration can be used a micropump, a micromixer, a microliquefier.
Numerical and experimental details are in (i) N. Nama, P.-H. Huang, T. J. Huang, and F. Costanzo, "Investigation of acoustic streaming patterns around oscillating sharp edges," Lab on a Chip, 14 (2014), pp. 2824–2836. DOI: 10.1039/c4lc00191e; PMID: 24903475; PMCID: PMC4096312; (ii) N. Nama, P.-H. Huang, T. J. Huang, and F. Costanzo, ``Investigation of micromixing by acoustically oscillated sharp-edges,'' Biomicrofluidics, 10 (2016), pp. 024124–1–024124–17. DOI: 10.1063/1.4946875; PMID: 27158292; PMCID: PMC4833753.