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Characterization of Acoustic Streaming in Gradients of Density and Compressibility
Wei Qiu, Jonas T. Karlsen, Henrik Bruus +1
Suppression of boundary-driven Rayleigh streaming has recently been demonstrated for fluids of spatial inhomogeneity in density and compressibility owing to the competition between…
Whole-system ultrasound resonances as the basis for acoustophoresis in all-polymer microfluidic devices
Rayisa P. Moiseyenko, Henrik Bruus
Using a previously well-tested numerical model, we demonstrate theoretically that good acoustophoresis can be obtained in a microchannel embedded in an acoustically soft, all-polym…
Theory of pressure acoustics with boundary layers and streaming in curved elastic cavities
Jacob S. Bach, Henrik Bruus
The acoustic fields and streaming in a confined fluid depend strongly on the acoustic boundary layer forming near the wall. The width of this layer is typically much smaller than t…
Theoretical aspects of microscale acoustofluidics
Henrik Bruus
Henrik Bruus is professor of lab-chip systems and theoretical physics at the Technical University of Denmark. In this contribution, he summarizes some of the recent results within…