Abstract

In this paper, the incompressible and isothermal flow of Sutterby fluid is investigated during the forward roll coating process. The mass and momentum equations are non-dimensionalized and simplified using lubrication approximation theory (LAT). Perturbative results are obtained for the velocity, pressure gradient, flow rate, and shear stress, while coating thickness, maximum pressure, separating point, roll separating force and roll-transmitted power are found by Simpson’s 3/8 rule. Outcomes exhibit that velocity, pressure gradient and coating thickness are substantially influenced by the non-Newtonian fluid parameter, which may increase the coating efficiency. Also, power input and roll separating force is directly proportional to the non-Newtonian parameter.

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