A convergence result for an iterative method for the equations of a stationary quasi-newtonian flow with temperature dependent viscosity
Waxy Crude Oils (WCO’s) are characterized by the presence of heavy paraffins in sufficiently large concentrations. They exhibit quite complex thermodynamical and rheological behaviour and present the peculiar property of giving rise to the formation of segregated wax deposits, when temperature falls down the so called WAT, or Wax Appearance Temperature. In extreme cases, segregated waxes may lead to pipeline occlusion due to deposition on cold walls....
Una idea di G. Fichera ed un risultato di W. A. Day vengono usati per provare che il calore, nella teoria di Fourier, simula una propagazione di tipo ondoso.