Primary instabilities of liquid film flow sheared by turbulent gas stream

S. V. Alekseenko, S. P. Aktershev, A. V. Cherdantsev, S. M. Kharlamov, D. M. Markovich

Research output: Contribution to journalArticle

20 Citations (Scopus)

Abstract

Evolution of excited waves on a viscous liquid film has been investigated experimentally for the annular gas-liquid flow in a vertical tube. For the first time the dispersion relations are obtained experimentally for linear waves on liquid film surface in the presence of turbulent gas flow. Both cocurrent and countercurrent flow regimes are investigated. As an example of comparison with theory, the experimental data are compared to the results of calculations based on the Benjamin quasi-laminar model for turbulent gas flow. The calculation results are found to be in good agreement with experiments for moderate values of film Reynolds number.

Original languageEnglish
Pages (from-to)617-627
Number of pages11
JournalInternational Journal of Multiphase Flow
Volume35
Issue number7
DOIs
Publication statusPublished - 1 Jul 2009
Externally publishedYes

Fingerprint

gas streams
Liquid films
Flow of gases
Gases
gas flow
liquids
Reynolds number
liquid flow
Liquids
tubes
Experiments
gases

Keywords

  • Annular flow
  • Dispersion relations
  • Gas shear
  • Linear stability
  • Linear waves
  • Liquid film

ASJC Scopus subject areas

  • Mechanical Engineering
  • Physics and Astronomy(all)
  • Fluid Flow and Transfer Processes

Cite this

Primary instabilities of liquid film flow sheared by turbulent gas stream. / Alekseenko, S. V.; Aktershev, S. P.; Cherdantsev, A. V.; Kharlamov, S. M.; Markovich, D. M.

In: International Journal of Multiphase Flow, Vol. 35, No. 7, 01.07.2009, p. 617-627.

Research output: Contribution to journalArticle

Alekseenko, S. V. ; Aktershev, S. P. ; Cherdantsev, A. V. ; Kharlamov, S. M. ; Markovich, D. M. / Primary instabilities of liquid film flow sheared by turbulent gas stream. In: International Journal of Multiphase Flow. 2009 ; Vol. 35, No. 7. pp. 617-627.
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