Journal
SENSORS AND ACTUATORS B-CHEMICAL
Volume 150, Issue 2, Pages 811-818Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.snb.2010.08.027
Keywords
Mixing; Acoustic; Swirl
Funding
- Australian Research Council [DP0878454]
- Australian Research Council [DP0878454] Funding Source: Australian Research Council
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Swirl mixing between the input arms of a microfluidic system using vibration (Lab Chip 9 (2009) 1435-1438 [20]) has been shown to provide rigorous blending within a very short length along the flow stream Investigations here both numerical and experimental indicate that this is due to an asymmetry in the manner in which liquid enters and exits a channel into a confined space Based on this understanding we demonstrate an alternative approach that applies low frequency side channel fluidic perturbations This approach permits versatility in having mixing occur selectively anywhere along the flow stream isolates and ensures that mixing occurs only at these locations as well as minimizes movement so that image blurring which limits the ability to assess mixing effectiveness optically is reduced (c) 2010 Elsevier BV All rights reserved
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