Table 2 Cross model coefficients to model the viscosity of Polypropylene (PP) in Fig. 6
From: Shape design for polymer spin packs: modeling, optimization and validation
zero-shear-rate viscosity | \(\eta_{0}\) | 6421.8 Pa s |
time constant | λ | 0.6304 s |
power-law index | n | 0.4276 |
activation energy | α | 3742.5 K |
reference temperature | \(T_{\mathrm{alpha}}\) | 473.16 K |