Abstract
Turbulent friction factors of dilute aqueous solutions of polyethylene oxide measured in a two-dimensional channel. The influence of viscoelasticity on friction loss is considered by the method of dimensional analysis and the friction factor is correlated with the Reynolds number and the Weissenberg number. Velocity distributions also are measured by using a pitot tube. It is shown that the transition layer in the flow of dilute polymer solutions becomes thicker in comparison with that of Newtonian.
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