Numerical investigation of quality enhancement of non-Newtonian fluid mixing in a T-shaped microchannel
In this article, a T-shaped microchannel with mixing periods ranging from 1 to 25 units and variations in the geometry of each mixing period in a two-dimensional and steady state has been numerically evaluated using the COMSOL software. An MQ parameter has been used to determine the quality of mixing at the channel outlet as well as the pressure drop. Additionally, the influence of the number of mixing periods and obstacles present in the mixing unit on the mixing quality has been investigated. Initially, six geometric models were designed for one mixing period, and after obtaining the numerical results, the best geometry was selected for fur ther calculations and work. The numerical results obtained for geometry "c" indicate that using 1, 5, 10, 15, 20, and 25 mixing units in the channel results in mixing qualities of 30%, 46%, 73%, 85%, 92%, and 98% respectively for blood fluid, which can be considered suitable for use in chemical systems.
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