Το work with title Modeling flow pattern transitions for upward gas-liquid flow in vertical concentric and eccentric annuli by Kelesidis Vasilis, Dukler A.E. is licensed under Creative Commons Attribution 4.0 International
Bibliographic Citation
V.C. Kelessidis, A.E. Dukler, "Modeling flow pattern transitions for upward gas liquid flow in vertical concentric and eccentric annuli," International Journal of Multiphase Flow, vol. 15, no. 2, pp. 173-191, May. 1989. doi: 10.1016/0301-9322(89)90069-4
https://doi.org/10.1016/0301-9322(89)90069-4
Flow patterns were investigated in vertical upward gas-liquid flow in a concentric and an eccentric annulus (eccentricity 50%). A new method for flow pattern identification is proposed based on probability density function analysis of conductance probe signals. Flow pattern maps have been constructed and mathematical models are proposed which predict the flow pattern transitions.