Dynamic numerical simulation of a electromagnetic microfluidic active mixer

LI Shu-xian; WU Yi-hui; XUAN Ming

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Dynamic numerical simulation of a electromagnetic microfluidic active mixer

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- Dynamic numerical simulation of a electromagnetic microfluidic active mixer
- Optics and Precision Engineering Vol. 13, Issue 2, Pages: 127-134(2005)
- 作者机构：
  
  1. 中国科学院长春光学精密机械与物理研究所应用光学国家重点实验室,吉林长春,130033
  2. 中国科学院研究生院,北京 100039
- 作者简介：
- 基金信息：
- DOI：
  CLC： O361
- Received：08 February 2005，
  
  Revised：18 March 2005，
  
  Published Online：30 April 2005，
  
  Published：30 April 2005
- 稿件说明：
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LI Shu-xian, WU Yi-hui, XUAN Ming. Dynamic numerical simulation of a electromagnetic microfluidic active mixer[J]. Optics and precision engineering, 2005, 13(2): 127-134.
DOI：

LI Shu-xian, WU Yi-hui, XUAN Ming. Dynamic numerical simulation of a electromagnetic microfluidic active mixer[J]. Optics and precision engineering, 2005, 13(2): 127-134. DOI：

摘要

从提高电磁式聚合物膜微流体动态混合器的混合性能出发

利用结构动力学理论对聚合物膜进行数值模拟

给出了其模态及谐响应分析结果;然后将其数值模拟结果耦合在流体动力学数值模型上

利用计算流体动力学理论对微腔内液体的流动特性进行了分析

得出低阶振动模式下的R

。对以数值模拟为依据制造的混合器进行了水与红墨水的混合试验。仿真与试验获得了相吻合的研究结果:二阶振动时R

最大;当激振力振动频率在二阶自然频率附近时

混合液体振动最剧烈

混合最理想;振动剧烈程度是由振幅、频率共同决定的。

Abstract

The dynamic analysis was applied to a microfluidic polymer membrane active mixer in order to optimize its design and improve its performance. The results of the modal and harmonic response analysis were given

which were coupled into the fluid field

giving the

of the first substep vibration and the maximum

in the second substep. From mixing experiments

the best mixing took place also in the second substep. The results from simulation and experiments matched well

which proves that the simulation is feasible

and the degree of vibration depends on both amplitude and frequency.

关键词

Keywords

references

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