Correlation of burning rate of the interacting liquid droplets with internal circulation

Ho Young Kim, Chong Pyo Cho, Jin Taek Chung

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)


The combustion characteristics of interacting liquid droplets with internal circulation in a convective flow are numerically investigated in order to determine the burning rate correlation of interacting droplets. For the transient analysis of 2-dimensionally arranged interacting droplets, Reynolds number based on the relative velocity between the liquid droplet and surrounding gas, vertical and horizontal distances between neighboring droplets are chosen as major parameters. The time variations of flame structure and combustion characteristics as well as the burning rate during the droplet lifetime are obtained. The results reveal that the transient flame configuration and retardation of droplet internal motion for the arbitrary droplets arrangement substantially influence on the burning rate of interacting droplets. The burning rate of interacting droplets exhibits a strong dependence on Reynolds number, the horizontal and vertical distances between droplets. The correction factor of burning rate for interacting droplets based on the single droplet combustion is also suggested in terms of major parameters.

Original languageEnglish
Pages (from-to)293-299
Number of pages7
JournalJSME International Journal, Series B: Fluids and Thermal Engineering
Issue number2
Publication statusPublished - 2005 May


  • Burning rate
  • Correction factor
  • Forced convection
  • Horizontal distance
  • Interacting droplet
  • Liquid fuel
  • Vertical distance

ASJC Scopus subject areas

  • Mechanical Engineering
  • Physical and Theoretical Chemistry
  • Fluid Flow and Transfer Processes


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