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TECHNICAL PAPERS

Predicting Single-Phase and Two-Phase Non-Newtonian Flow Behavior in Pipes

[+] Author and Article Information
R. D. Kaminsky

Exxon Production Research, P.O. Box 2189, Houston, TX 77252-2189

J. Energy Resour. Technol 120(1), 2-7 (Mar 01, 1998) (6 pages) doi:10.1115/1.2795006 History: Received September 29, 1997; Revised December 02, 1997; Online November 06, 2007

Abstract

Improved and novel prediction methods are described for single-phase and two-phase flow of non-Newtonian fluids in pipes. Good predictions are achieved for pressure drop, liquid holdup fraction, and two-phase flow regime. The methods are applicable to any visco-inelastic non-Newtonian fluid and include the effect of surface roughness. The methods utilize a reference fluid for which validated models exist. For single-phase flow, the use of Newtonian and power-law reference fluids are illustrated. For two-phase flow, a Newtonian reference fluid is used. Focus is given to shear-thinning fluids. The approach is theoretically based and is expected to be more accurate for large, high-pressure pipelines than present correlation methods, which are all primarily based on low-pressure, small-diameter pipe experimental data.

Copyright © 1998 by The American Society of Mechanical Engineers
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