SWIRLING FLOWS OF VISCOELASTIC FLUIDS OF THE INTEGRAL TYPE IN RHEOGONIOMETERS

Recent numerical methods for calculating the flow of fluids of the integral type have been extended to the case of swirling flows in geometries of revolution. Such flows are important in rheometry, as it was suggested in early experimental results by Savins and Metzner 1]. After having developed the necessary background for the numerical calculation, we apply the method to the flow in disk-and-plate and cone-and-plate rheogoniometers.