Table 2. Composition and rheological parameters of the viscoelastic (PAA300 and PAA190) and Newtonian (N90) fluids. Rheological measurements for PAA300 and N90 fluids were performed at T = 24 °C and for PAA190 fluid at T = 22 °C.
| Fluid | PAA (ppm) | Glycerol (% w/w) | c* (ppm) | η 0 (Pa s) | η s (Pa s) | Λ (s) | n | β | λ E (s) |
| PAA300 | 300 | 90 | 170 | 8.5 | 0.22 | 55 | 0.4 | 0.026 | 0.97 ± 0.19 |
| N90 | — | 90 | — | — | 0.161 | — | — | — | — |
| PAA190 | 190 | 70 | 130 | 2.15 | 0.035 | 45 | 0.4 | 0.016 | 0.59 ± 0.05 |