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Results are shown in Figure 1 and Figure 2 below. Figure 3 indicates the plane where the contour in Figure 2 were drawn, in grey.(Click on the image for larger view)
a. Case 1
b. Case 2a
c. Case 2b
d. Case 3
Figure 1 Plots of residuals as a function of iteration steps 
a. Case 2a
b. Case 2b
Figure 2 Contours of energy dissipation rate showing the effects of turbulence intensity and hydraulic diameters, drawn on the same scale
Figure 3 The plan where the contours were drawn, in grey
Observations:
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