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. Author manuscript; available in PMC: 2011 Sep 15.
Published in final edited form as: J Colloid Interface Sci. 2006 Jan 9;297(2):832–839. doi: 10.1016/j.jcis.2005.11.045

Figure 3.

Figure 3

Streamlines for k = 10, and (a): δ = 0.2, α = 0.45 showing “central” eddies; (b): δ = 0.4, α = 0.4 showing “perimeter” eddies; and (c): δ = 0.4, α = 0.41 showing “central” and “perimeter” eddies. Dashed line shows the outline of the constricted channel and the arrows indicate the flow direction. A scan in the thin region along the surface of the channel in a showed absence of “perimeter” eddies and a scan in the empty region towards the center in b revealed an absence of “central” eddies.