Liquid Holdup in Large-Diameter Horizontal Multiphase Pipelines

[+] Author and Article Information
L. C. Maley, W. P. Jepson

NSF, I/URC Center for Multiphase Technology, Department of Chemical Engineering, Ohio University, 184 Stocker Center, Athens, OH 45701-2929

J. Energy Resour. Technol 120(3), 185-191 (Sep 01, 1998) (7 pages) doi:10.1115/1.2795033 History: Received October 10, 1997; Revised June 04, 1998; Online November 06, 2007


This paper studies the liquid holdup within the mixing zone of the slug. The results of the study show that the liquid holdup begins at the liquid holdup of the liquid film before the slug and then increases until the end of the mixing zone is reached. Once past the mixing zone of the slug, the average liquid holdup becomes constant. As the height of the liquid film and/or viscosity increases, so does the liquid holdup at any given film Froude number. Since the liquid holdup becomes constant once past the mixing zone of the slug, the mixing zone length was determined for the film Froude numbers studied. The results show that the mixing zone length increases linearly with film Froude number and is independent of the viscosity of the liquid in the slug for a viscosity range of 1 to 16.6 cP.

Copyright © 1998 by The American Society of Mechanical Engineers
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