FLOW OF MEDIA WITH PSEUDO-PLASTIC PROPERTIES IN A CIRCULAR PIPE

摘要

Solutions defining the isothermal flow of a medium in a circular pipe are known for the following two cases: 1. the rheologic properties of the medium are Newtonian; and 2. the medium is pseudo-plastic, and its rheologic properties are expressed by the Ostwald-de Villa exponential law. This rheologic equation describes only the segment of the flow curve for a shear velocity varying within the limits of 1-3 orders (as a function of the computed segment selected).