MATHEMATICAL MODELING OF DISSIPATIVE HEATING IN A CYLINDRICAL CHANNEL FOR FLUID EFFECT OF THE "SOLIDIFICATION" AT THE REALIZATION OF THE SECOND SCHEME CURRENT
Consider the second flow pattern in a cylindrical channel for fluid rheological model which takes into account the manifestation of shear thinning fluid (STF) or the effect of «solidification». In accordance with the rheological model for such scheme currents the flow region is divided into two zones with pseudoplastic and dilatant fluid behavior. For this scheme we consider the problem of steady flow of convective heat transference, taking into account the dissipation of mechanical energy. For this there were placed at the channelthe wall temperature boundary condition of the first kind. Convective heat transference along the axis of the channel is determined by the average flow velocity. Dissipative component taken into account with the exact velocity distribution in the channel cross section An expression for the temperature distribution in the channel. Numerical experiments and analysis of the impact of model parameters on the characteristics of the process of dissipative heating. The obtained results can be used for modeling the flow of non-Newtonian fluids of such elements in the flow of the process equipment.