基于简单分析模型对交错人字混合器的研究。
Investigation of the staggered herringbone mixer with a simple analytical model.
作者信息
Stroock Abraham D, McGraw Gregory J
机构信息
School of Chemical and Biomolecular Engineering, Cornell University, Ithaca, NY 14853, USA.
出版信息
Philos Trans A Math Phys Eng Sci. 2004 May 15;362(1818):971-86. doi: 10.1098/rsta.2003.1357.
An analytical model is presented for the three-dimensional flow in the recently introduced staggered herringbone mixer for microchannels. In this model, the flow in the cross-section of the channel is treated as a lid-driven cavity flow. The model is shown to reproduce the advection patterns that were observed experimentally in the staggered herringbone mixer. The model is then used to study the quality of mixing in this flow as a function of geometry. Analysis is performed with Poincaré maps, mixing simulations, and residence time distributions. A range of optimal geometries is identified.
针对最近推出的用于微通道的交错人字形混合器中的三维流动，提出了一种分析模型。在该模型中，通道横截面中的流动被视为顶盖驱动的腔室流动。结果表明，该模型能够再现交错人字形混合器中实验观察到的平流模式。然后，利用该模型研究了这种流动中混合质量与几何形状的关系。通过庞加莱映射、混合模拟和停留时间分布进行分析。确定了一系列最佳几何形状。
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