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Split and Recombine Mixer Benchmark

Application ID: 14031

This example models a split and recombine mixer channel in which a tracer fluid is introduced and mixed by multi-lamination. Diffusion is removed from the model using an extremely low diffusion coefficient so that any numerical diffusion can be studied in the lamination interfaces.

The results compare well with Glatzel et al (Ref 1.) in both the lamination patterns and total pressure drop across the mixer.

  1. Glatzel et al., Computational fluid dynamics (CFD) software tools for microfluidic applications - A case study Computers & Fluids, vol. 37, pp 218-235 (2008)

This model is included as an example in the following products:

Microfluidics Module

The combination of COMSOL® products required to model your application depends on several factors and may include boundary conditions, material properties, physics interfaces, and part libraries. Particular functionality may be common to several products. To determine the right combination of products for your modeling needs, review the Grille de spécifications and make use of a free evaluation license. The COMSOL Sales and Support teams are available for answering any questions you may have regarding this.