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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: Image Removed 
 
The nondimensionalized epsilon plot is shown below: 
Image Removed Image Added

 
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 velocityfor one turn are comparable in magnitude. Similarly for the three turn case, the nondimensional epsilon values match the five turn case. Image Added
 For more nondimensionalized plots of epsilon for varying geometries see...