An improved one-dimensional (1D) model—compared to previous work by the authors—is proposed, which is able to predict the acceleration and shortening of a single liquid slug propagating in a straight pipe with a downstream bend. The model includes holdup at the slug's tail and flow separation at the bend. The obtained analytical and numerical results are validated against experimental data. The effects of holdup, driving pressure and slug length are examined in a parameter variation study.
An Improved One-Dimensional Model for Liquid Slugs Traveling in Pipelines
Contributed by the Pressure Vessel and Piping Division of ASME for publication in the JOURNAL OF PRESSURE VESSEL TECHNOLOGY. Manuscript received November 6, 2014; final manuscript received February 4, 2015; published online August 25, 2015. Assoc. Editor: Jong Chull Jo.
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Tijsseling, A. S., Hou, Q., and Bozkuş, Z. (August 25, 2015). "An Improved One-Dimensional Model for Liquid Slugs Traveling in Pipelines." ASME. J. Pressure Vessel Technol. February 2016; 138(1): 011301. https://doi.org/10.1115/1.4029794
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