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The parameters used in the formula and models
| Parameters | Description |
|---|---|
| P | Stress tensor |
| T | Partial stress tensor |
| R | Position vector |
| F k | Coriolis force |
| F C | Centrifugal force |
| D | Strain rate tensor |
| I 2 | Invariant of the strain rate tensor |
| k | Consistency index |
| n | Rheological index |
| D | Container diameter |
| L | Container length |
| ω | Angular velocity |
| α | Nozzle taper |
| S | Straight tube length |
| ρ | Density |
