Numerical studies of transient opposed-flow flames using adaptive time integration

Hong Im*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

3 Scopus citations


Numerical simulations of unsteady opposed-flow flames are performed using an adaptive time integration method designed for differential-algebraic systems. The compressibility effect is considered in deriving the system of equations, such that the numerical difficulties associated with a high-index system are alleviated. The numerical method is implemented for systems with detailed chemical mechanisms and transport properties by utilizing the Chemkin software. Two test simulations are performeds hydrogen/air diffusion flames with an oscillatory strain rate and transient ignition of methane against heated air. Both results show that the rapid transient behavior is successfully captured by the numerical method.

Original languageEnglish (US)
Pages (from-to)103-112
Number of pages10
JournalKSME International Journal
Issue number1
StatePublished - Jan 1 2000


  • Adaptive time integration
  • Unsteady flames

ASJC Scopus subject areas

  • Mechanical Engineering


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