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On-Chip Micro Mixer Driven by Elastic Wall with Virtual Actuator

In this paper, we propose an on-chip micromixer driven by an elastic wall with a virtual actuator. The on-chip micro mixer is composed of a circular chamber surrounded by a ring-shaped channel under isolation with an elastic wall. When vibrational pressure is put on the driving channel by an actuato...

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Detalles Bibliográficos
Autores principales: Takayama, Toshio, Kaneko, Makoto, Tsai, Chia-Hung Dylan
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2021
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7926952/
https://www.ncbi.nlm.nih.gov/pubmed/33670037
http://dx.doi.org/10.3390/mi12020217
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author Takayama, Toshio
Kaneko, Makoto
Tsai, Chia-Hung Dylan
author_facet Takayama, Toshio
Kaneko, Makoto
Tsai, Chia-Hung Dylan
author_sort Takayama, Toshio
collection PubMed
description In this paper, we propose an on-chip micromixer driven by an elastic wall with a virtual actuator. The on-chip micro mixer is composed of a circular chamber surrounded by a ring-shaped channel under isolation with an elastic wall. When vibrational pressure is put on the driving channel by an actuator, the volume of the circular chamber changes through the deformation of the elastic wall, as if there exists a virtual actuator near the wall. As a result, the liquid in the circular chamber is pushed out and pulled through the neck channel. This action creates a swirling flow in the circular chamber while maintaining isolation from the driving channel. Through experiments, we confirmed the swirling flow under an isolated environment using an air-based valve. The advantage of this approach is that the micromixer can be designed with a single layer having a simple mechanism.
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spelling pubmed-79269522021-03-04 On-Chip Micro Mixer Driven by Elastic Wall with Virtual Actuator Takayama, Toshio Kaneko, Makoto Tsai, Chia-Hung Dylan Micromachines (Basel) Article In this paper, we propose an on-chip micromixer driven by an elastic wall with a virtual actuator. The on-chip micro mixer is composed of a circular chamber surrounded by a ring-shaped channel under isolation with an elastic wall. When vibrational pressure is put on the driving channel by an actuator, the volume of the circular chamber changes through the deformation of the elastic wall, as if there exists a virtual actuator near the wall. As a result, the liquid in the circular chamber is pushed out and pulled through the neck channel. This action creates a swirling flow in the circular chamber while maintaining isolation from the driving channel. Through experiments, we confirmed the swirling flow under an isolated environment using an air-based valve. The advantage of this approach is that the micromixer can be designed with a single layer having a simple mechanism. MDPI 2021-02-21 /pmc/articles/PMC7926952/ /pubmed/33670037 http://dx.doi.org/10.3390/mi12020217 Text en © 2021 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Takayama, Toshio
Kaneko, Makoto
Tsai, Chia-Hung Dylan
On-Chip Micro Mixer Driven by Elastic Wall with Virtual Actuator
title On-Chip Micro Mixer Driven by Elastic Wall with Virtual Actuator
title_full On-Chip Micro Mixer Driven by Elastic Wall with Virtual Actuator
title_fullStr On-Chip Micro Mixer Driven by Elastic Wall with Virtual Actuator
title_full_unstemmed On-Chip Micro Mixer Driven by Elastic Wall with Virtual Actuator
title_short On-Chip Micro Mixer Driven by Elastic Wall with Virtual Actuator
title_sort on-chip micro mixer driven by elastic wall with virtual actuator
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7926952/
https://www.ncbi.nlm.nih.gov/pubmed/33670037
http://dx.doi.org/10.3390/mi12020217
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