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

Table 5

Evolution of bubble contours for sudden expansion angle θ = 15°.

Sudden expansion angle (θ = 15°)
Solution	= 200 mL/min			= 600 mL/min
0.5% CMC
0.5% PAS
0.5% PAA