Turbulent flow of Newtonian and non-Newtonian fluids in rough channels: Part I: Roughness effect on Newtonian fluids

C. Narayanan, S. Nauer, J. -S. Singh +3

Direct Numerical Simulations (DNS) of turbulent channel flow at a shear Reynolds number of $R{e}_{\ast }=360$ for Newtonian and Herschel-Bulkley fluids in smooth and rough channels has b…