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首页> 外文期刊>Computer Methods and Programs in Biomedicine: An International Journal Devoted to the Development, Implementation and Exchange of Computing Methodology and Software Systems in Biomedical Research and Medical Practice >An efficient passive planar micromixer with ellipse-like micropillars for continuous mixing of human blood
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An efficient passive planar micromixer with ellipse-like micropillars for continuous mixing of human blood

机译：一种高效的无源平面微混合器，具有椭圆形微柱，可连续混合人血

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摘要

In this paper, a passive planar micromixer with ellipse-like micropillars is proposed to operate in the laminar flow regime for high mixing efficiency. With a splitting and recombination (SAR) concept, the diffusion distance of the fluids in a micromixer with ellipse-like micropillars was decreased. Thus, space usage for micromixer of an automatic sample collection system is also minimized. Numerical simulation was conducted to evaluate the performance of proposed micromixer by solving the governing Navier-Stokes equation and convection-diffusion equation. With software (COMSOL 4.3) for computational fluid dynamics (CFD) we simulated the mixing of fluids in a micromixer with ellipse-like micropillars and basic T-type mixer in a laminar flow regime. The efficiency of the proposed micromixer is shown in numerical results and is verified by measurement results.
机译：在本文中，提出了一种具有椭圆形微柱的无源平面微混合器，可在层流状态下运行以实现高混合效率。通过分离和重组（SAR）概念，减小了带有椭圆形微柱的微混合器中流体的扩散距离。因此，自动样品收集系统的微混合器的空间使用也被最小化。通过求解控制Navier-Stokes方程和对流扩散方程，进行了数值模拟，以评估所提出的微混合器的性能。借助用于计算流体动力学（CFD）的软件（COMSOL 4.3），我们在层流状态下模拟了带有椭圆形微柱和基本T型混合器的微型混合器中的流体混合。数值结果显示了所提出的微混合器的效率，并通过测量结果进行了验证。

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