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THE EFFECT OF INCLINATION ON PRESSURE DROP IN A TWO-PHASE (GAS-LIQUID) PIPE SYSTEM

Noble C. Anumbe
University of South Carolina, Department of Mechanical Engineering, 300 Main Street, Columbia, SC 29208, USA

Nabeel M. Abdulrazzaq
University of South Carolina, Department of Mechanical Engineering, 300 Main Street, Columbia, SC 29208, USA

Jamil A. Khan
Department of Mechanical Engineering, Laboratory for Applied Heat Transfer, University of South Carolina, Columbia, SC 29208, USA

DOI: 10.1615/TFEC2018.fmp.021711
pages 1071-1083


键词 Two-phase flow, pipe system, Multiphase flow, Pressure Drop

摘要

The paper reports the result of an experimental study related to the effects of inclination on pressure drop in an upward, isothermal, co-current, two-phase (air/water) flow pipe system. Experimental data for the investigation were acquired using an inclinable flow loop equipped with a 101.6 mm, inner diameter (ID), 7.30m long pipe section mounted at six alterable inclination angles (0°, 15°, 30°, 45°, 60° and 75°:). The test section made from acrylic glass is outfitted with a differential gauge, pressure transducers and a high-speed camera, for pressure drop measurement, gauge pressure measurement and flow regime visualization, respectively. Simultaneous acquisition of pressure and visual data was performed at the various pipe inclinations and different flow conditions. The study successfully demonstrated that inclination angle has a significant effect on pressure drop. It also highlights the combined effect of flow regime, inclination, and flow rate on pressure drop.

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