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Simulation in System-Level Based on Model Order Reduction for a Square-Wave Micromixer

  • Xueye Chen EMAIL logo and Jienan Shen
Published/Copyright: November 6, 2015

Abstract

With the aim to optimize design, a simulation in system level has been presented for the square-wave micromixer in this article. The square-wave micromixer is divided into straight channels and square-wave units. The reduced-order model based on proper orthogonal decomposition is applied in calculating concentration of the sample in the straight channels, and numerical simulation is applied in calculating concentration of the sample in the square-wave units. The data can mutually be transferred between straight channels and square-wave units by data fitting and interpolation. The maximal relative deviation is 1.52% between simulation in system-level and only simulation. The computational efficiency will be improved significantly with the numbers of straight channels increasing. The Polymethyl methacrylate (PMMA) micromixer is fabricated with mill and hot bonding method. The mixing experiment of fluorescein sodium solution with different concentrations is carried out to verify simulation. The relative deviations between simulation in and experimental results are below 8.26%.

MSC® (2010): 35Bxx

Funding statement: Funding: This work was supported by the National Natural Science Foundation of China (51405214), Liaoning Province Doctor Startup Fund (20141131), Fund of Liaoning Province Education Administration (L2014241) and the Fund in Liaoning University of Technology (X201301).

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Received: 2014-12-24
Accepted: 2015-10-8
Published Online: 2015-11-6
Published in Print: 2015-12-1

©2015 by De Gruyter

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