Research Article
Estimation of the Shear Stress Parameter of a Power-Law Fluid
Table 3
Comparison between estimated values for
and
for
.
| | −0.25 | 0 | 0.5 | 0.75 |
| (numerical) | 0.4319 | 0.4624 | 0.3880 | 0.2898 | (series) | 0.4218 | 0.4527 | 0.3795 | 0.2833 |
| Error | −0.0101 | −0.0097 | −0.0085 | −0.0065 |
| Improved () | 0.4301 | 0.4610 | 0.3896 | 0.2916 |
| (series) | 3.45 | 2.805 | 1.785 | 1.22 | Relative error in | 7.0% | 8.0% | 9.9% | 10.7% |
| Improved (error | 3.4 | 2.755 | 1.735 | 1.17 |
|
|