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EXPERIMENTAL INVESTIGATION OF GAS/SHEAR THINNING FLUID FLOW IN A HORIZONTAL PIPE

Serag Moustafa M. Alfareq
Memorial University of Newfoundland, St. John's, NL, Canada

Abinash Barooah
Texas A&M University at Qatar, Doha, Qatar

Mohammad Azizur Rahman
Texas A&M University at Qatar, Doha, Qatar

Sohrab Zendehboudi
Memorial University of Newfoundland, St. John's, NL, A1C 5S7, Canada

DOI: 10.1615/TFEC2020.mph.032189
pages 493-501

Abstract

The objective of the study focuses on gas/non-Newtonian liquid horizontal flow in a pipeline. The gas and the liquid flow rates were varied over a wide range of flow conditions. The experiment was conducted to determine the pressure drop using a transparent pipe of 76.2 mm diameter and 2.44 m long horizontal pipe. Xanthan gum solution was used to simulate non-Newtonian fluid. The pressure drop gradient model of Lockhart-Martinelli was modified for gas/shear thinning fluid flow. The theoretical predictions of pressure loss were compared with the experimental data for air/shear thinning fluid flow results. From the experimental work, it was observed that the pressure drop was directly proportional to the concentration of Xanthan gum (shear thinning fluid). The flow regimes of bubbly, slug, plug and wavy flow were also captured by a high-speed camera.

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