Turbulent friction factor for two-phase: Air-viscoelastic fluid flows through horizontal straight circular tubes
- Idaho State Univ., Pocatello, ID (United States)
Fully developed turbulent isothermal Fanning friction factors for air-viscoelastic fluid flows through a horizontal pipe were experimentally measured. The viscoelastic fluids studied were aqueous solutions of polyacrylamide at three different concentrations (100, 200, and 500 wppm). The two-phase friction factor data were correlated in terms of the apparent Reynolds number defined based on the effective viscosity for gas-liquid mixture. Over a range of the apparent Reynolds number from 10{sup 4} to 10{sup 5}, the simpler homogeneous model used was found to be accurate enough for engineering prediction of friction factor for air-viscoelastic fluid flows through straight pipes. A correlation for the prediction of air-viscoelastic two-phase turbulent friction factor is proposed.
- OSTI ID:
- 445425
- Report Number(s):
- CONF-961105--; ISBN 0-7918-1544-7
- Country of Publication:
- United States
- Language:
- English
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