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Abstract A new analysis has been developed for the turbulent flow of non‐Newtonian fluids. Based on enhanced viscosity effects at the small time and length scales of the dissipative micro‐eddies, the analysis predicts a thickening of the viscous sub‐layer tending to increase throughput velocity and thus promoting drag reduction. The required flow parameters can be determined directly from rheograms, without employing correlations based on pipe‐flow data. The results give good descriptions of flows of fluids with both power‐law and Bingham behaviour and explain a number of peculiarities of such flows.
Wilson et al. (Thu,) studied this question.