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For the optimized geometry below, the baffle spacing is fixed at .1, and baffle height enables a fully developed dissipation region: 
The nondimensionalized epsilon plot is shown below:
The plot is equivalent to 50*ε (since (2*.1)/(.1^3*4.2)=48). Similarly for the 1-turn baffle case the nondimensional parameters can be plotted:
The nondimensional values are one order of magnitude lower corresponding to how multiple baffles induce a much higher level of mixing and turbulent energy dissipation independent of the geometry and velocity.