Figure 12

Flow velocity profiles for the coated pipes. PVC90 pipe according to the Power-law (a) and Logistic model (b) and flow velocity profiles for the PVC63 pipe according to the Power-law (c) and Logistic model (d).

Flow velocity profiles for the coated pipes. PVC90 pipe according to the Power-law (a) and Logistic model (b) and flow velocity profiles for the PVC63 pipe according to the Power-law (c) and Logistic model (d).