Abstract

Pressure drops for turbulent non-Newtonian flow of CMC solutions through different fittings such as valves and elbows were experimentally measured. The CMC solutions obey pseudoplastic power law model which power law and consistency indices are strongly dependent on the CMC concentrations. The friction loss coefficients were calculated for various fittings and for a wide range of power law index. Increasing CMC concentration (decreasing power law index) decreases the frictional loss through fittings. A general correlation was obtained which relates the frictional loss coefficients with power law index for different fittings

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