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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 application was built using the following:

Microfluidics Module

The combination of COMSOL® products required to model your application depends on the physics interfaces that define it. Particular physics interfaces may be common to several products (see the Specification Chart for more details). To determine the right combination of products for your project, you should evaluate all of your needs in light of each product\'s capabilities, consultation with the COMSOL Sales and Support teams, and the use of an evaluation license.