A simulation of particle dispersion in a turbulent jet

D. Hansell, I. M. Kennedy, W. Kollmann

Research output: Contribution to journalArticle

26 Citations (Scopus)

Abstract

A vortex dynamics calculation of a turbulent jet has been used to study the behavior of discrete particles in an unsteady shear flow. Both axisymmetic and three-dimensional calculations have been performed. It was found that the three-dimensional code did not show significantly different behavior in terms of azimuthal particle disperion from the axisymmetric code under the thin vortex assumption. The full equation for particle dynamics was integrated through the flow field and the results were compared to a calculation which used only the drag force. It was found that the dispersion of droplets was underestimated typically by 25% by the simple approximation, with the greatest errors incurred for large droplets under high-pressure combustor conditions.

Original languageEnglish (US)
Pages (from-to)559-576
Number of pages18
JournalInternational Journal of Multiphase Flow
Volume18
Issue number4
DOIs
StatePublished - 1992

Fingerprint

turbulent jets
Vortex flow
vortices
simulation
Shear flow
combustion chambers
Combustors
shear flow
drag
Drag
Flow fields
flow distribution
approximation

Keywords

  • particle dispersion
  • turbulent shear flow
  • vortex dynamics

ASJC Scopus subject areas

  • Fluid Flow and Transfer Processes
  • Mechanical Engineering

Cite this

A simulation of particle dispersion in a turbulent jet. / Hansell, D.; Kennedy, I. M.; Kollmann, W.

In: International Journal of Multiphase Flow, Vol. 18, No. 4, 1992, p. 559-576.

Research output: Contribution to journalArticle

Hansell, D. ; Kennedy, I. M. ; Kollmann, W. / A simulation of particle dispersion in a turbulent jet. In: International Journal of Multiphase Flow. 1992 ; Vol. 18, No. 4. pp. 559-576.
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