Turbulent structure of a gas-liquid impinging jet

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

The turbulent structure of a submerged axisymmetric impinging jet containing small gas bubbles is studied experimentally under conditions of periodic external excitation. On the basis of measuring the surface-friction pulsatory component in the jet impinging on an obstacle, the effect of the suppression of large-scale eddies at large gas volume fractions is registered. The conditions of resonant growth of coherent structures and the suppression of wide-band turbulence are determined for both the single-phase and the two-phase impinging jet. An analysis of the development of different pulsatory friction components in the impinging-jet gradient region is presented.

Original languageEnglish
Pages (from-to)22-33
Number of pages12
JournalFluid Dynamics
Volume37
Issue number5
Publication statusPublished - 1 Jan 2002
Externally publishedYes

    Fingerprint

Keywords

  • Coherent structures
  • Gas-liquid
  • Submerged impinging jet
  • Turbulence

ASJC Scopus subject areas

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

Cite this