Acoustic streaming produced by sharp-edge structures in microfluidic devices
Doinikov, Alexander A. ; Gerlt, Michael S. LU
; Pavlic, Alen
and Dual, Jürg
(2020)
In Microfluidics and Nanofluidics
24.
- Abstract
- The effect of acoustic streaming produced by sharp-edge structures is used in a variety of microfluidic applications, such as fluid mixing, pumping and particle manipulation. Since most investigations into this effect are experimental, there is a necessity in theoretical studies that could provide a deeper insight into the mechanism of the acoustic streaming and point out ways for optimizing acoustofluidic sharp-edge-based devices. In the present study, an analytical theory is developed that allows one to evaluate the velocity field of acoustic streaming generated at the apex of a wedge-shaped structure. Streamline patterns calculated by the developed theory show that the acoustic streaming is formed by two counterrotating vortices at the... (More)
- The effect of acoustic streaming produced by sharp-edge structures is used in a variety of microfluidic applications, such as fluid mixing, pumping and particle manipulation. Since most investigations into this effect are experimental, there is a necessity in theoretical studies that could provide a deeper insight into the mechanism of the acoustic streaming and point out ways for optimizing acoustofluidic sharp-edge-based devices. In the present study, an analytical theory is developed that allows one to evaluate the velocity field of acoustic streaming generated at the apex of a wedge-shaped structure. Streamline patterns calculated by the developed theory show that the acoustic streaming is formed by two counterrotating vortices at the wedge apex. In addition to the analytical model, a numerical model is realized using the finite element method. Predictions of both models are described and compared with experimental observations. (Less)
Please use this url to cite or link to this publication:
https://lup.lub.lu.se/record/cac4f50e-141d-4f20-8f50-9feeea5cfa7d
- author
- Doinikov, Alexander A.
; Gerlt, Michael S.
LU
; Pavlic, Alen
and Dual, Jürg
- publishing date
- 2020-05-01
- type
- Contribution to journal
- publication status
- published
- subject
- in
- Microfluidics and Nanofluidics
- volume
- 24
- article number
- 32
- publisher
- Springer
- external identifiers
-
- scopus:85083113468
- ISSN
- 1613-4982
- DOI
- 10.1007/s10404-020-02335-5
- language
- English
- LU publication?
- no
- id
- cac4f50e-141d-4f20-8f50-9feeea5cfa7d
- date added to LUP
- 2023-04-12 09:29:54
- date last changed
- 2023-04-17 11:50:50
@article{cac4f50e-141d-4f20-8f50-9feeea5cfa7d,
abstract = {{The effect of acoustic streaming produced by sharp-edge structures is used in a variety of microfluidic applications, such as fluid mixing, pumping and particle manipulation. Since most investigations into this effect are experimental, there is a necessity in theoretical studies that could provide a deeper insight into the mechanism of the acoustic streaming and point out ways for optimizing acoustofluidic sharp-edge-based devices. In the present study, an analytical theory is developed that allows one to evaluate the velocity field of acoustic streaming generated at the apex of a wedge-shaped structure. Streamline patterns calculated by the developed theory show that the acoustic streaming is formed by two counterrotating vortices at the wedge apex. In addition to the analytical model, a numerical model is realized using the finite element method. Predictions of both models are described and compared with experimental observations.}},
author = {{Doinikov, Alexander A. and Gerlt, Michael S. and Pavlic, Alen and Dual, Jürg}},
issn = {{1613-4982}},
language = {{eng}},
month = {{05}},
publisher = {{Springer}},
series = {{Microfluidics and Nanofluidics}},
title = {{Acoustic streaming produced by sharp-edge structures in microfluidic devices}},
url = {{http://dx.doi.org/10.1007/s10404-020-02335-5}},
doi = {{10.1007/s10404-020-02335-5}},
volume = {{24}},
year = {{2020}},
}