Journal of Mechanical Science and Technology

The Korean Society of Mechanical Engineers (대한기계학회)
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Evolution of Flame Shape to a Vortex Pair

  • Rhee, Chang-Woo (School of Mechanical and Industrial Engineering, Jeonju University)
  • Published : 2001.05.01
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Abstract

The PSC (Propagation of Surfaces under Curvature) algorithm is adapted to the simulation of a flame propagation in a premixed medium including the effect of volume expansion across the flame front due to exothermicity. The algorithm is further developed to incorporate the flame anchoring scheme. This methodology is successfully applied to numerically simulate the response of an anchored V-flame to two strong free stream vortices, in accord with experimental observations of a passage of Karman vortex street through a flame. The simulation predicts flame cusping when a strong vortex pair interacts with flame front. In other words, this algorithm handles merging and breaking of the flame front and provides an accurate calculation of the flame curvature which is needed for flame propagation computation and estimation of curvature-dependent flame speeds.

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References

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