Long Bubble Penetration through Viscoelastic Fluids in a Suddenly Contracting and Expanding Tube

Table 4

Evolution of bubble contours for sudden contraction angle θ = 90°.

Sudden contraction angle (θ = 90°)
Solution	= 200 mL/min			= 600 mL/min
0.5% CMC
0.5% PAS
0.5% PAA