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Analysis of Two-Phase Flow Slug Regime With Engineering Approach

[+] Author Affiliations
Nariman Ashrafi, Armin Chegini, Ali Sadeghi

Islamic Azad University, Tehran, Iran

Paper No. IMECE2018-87118, pp. V007T09A009; 5 pages
  • ASME 2018 International Mechanical Engineering Congress and Exposition
  • Volume 7: Fluids Engineering
  • Pittsburgh, Pennsylvania, USA, November 9–15, 2018
  • Conference Sponsors: ASME
  • ISBN: 978-0-7918-5210-1
  • Copyright © 2018 by ASME


In this research, the two-phase slug regime is investigated analytically with an engineering approach. due to the velocity gradient in the layers of the two-phase flow, numbers of waves form and grow in the liquid phase and may block the duct which in this case is called slug. Blocking the flow, it causes higher pressure accumulation which is the main reason of slug’s momentum through the duct. Simplifying the slug’s geometry and using basic physics laws yielded an equation between the slug’s back pressure and its length.

Copyright © 2018 by ASME



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