Modeling flow pattern transitions for upward gas-liquid flow in vertical concentric and eccentric annuli

V. C. Kelessidis, A. E. Dukler

Research output: Contribution to journalArticle

120 Citations (Scopus)

Abstract

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.

Original languageEnglish
Pages (from-to)173-191
Number of pages19
JournalInternational Journal of Multiphase Flow
Volume15
Issue number2
DOIs
Publication statusPublished - 1989
Externally publishedYes

Fingerprint

liquid flow
annuli
eccentrics
Flow patterns
flow distribution
Gases
Liquids
gases
probability density functions
eccentricity
Probability density function
mathematical models
Mathematical models
probes

Keywords

  • annulus
  • flow patterns
  • gas-liquid flow

ASJC Scopus subject areas

  • Fluid Flow and Transfer Processes
  • Mechanical Engineering

Cite this

Modeling flow pattern transitions for upward gas-liquid flow in vertical concentric and eccentric annuli. / Kelessidis, V. C.; Dukler, A. E.

In: International Journal of Multiphase Flow, Vol. 15, No. 2, 1989, p. 173-191.

Research output: Contribution to journalArticle

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