Fig. 1: Schematic diagram of an acoustofluidic chip for shape-based separation.
From: Acoustofluidic separation of prolate and spherical micro-objects

a A schematic diagram of the proposed acoustofluidic device. b Top-view of the midstream microchannel. c Cross-sectional view of the midstream microchannel. d A rigid ellipsoid modeled system exposed to incident plane progressive waves