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Laminar flow of a viscoelastic shear-thinning liquid through a plane sudden expansion preceded by a gradual contraction

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Academic year: 2021

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Figure 1. Schematic of flow loop.
Figure 3. Rheological material functions of the 0.05% PAA solution: filled square, shear viscosity m S (Pa s); filled circle, dynamic viscosity h 0 ( Z G 00 /u) (Pa s); open circle, dynamic rigidity ( Z 2G 0 /u 2 ) (Pa s 2 ); solid line, Carreau–Yasuda model
Figure 4. Exponential decay of fluid filament diameter for 0.05% PAA (CaBER experiments).
Table 2. Reynolds-number estimates for various characteristic shear rates
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