Dynamical behaviour of a premixed turbulent open V-flame

Author:

Rhee C. W.,Talbot L.,Sethian J. A.

Abstract

The level-set approach of Osher & Sethian to tracking interfaces is successfully adapted to the simulation of a premixed turbulent open V-flame including the effects of exothermicity and baroclinicity. In accord with experimental observations this algorithm, along with a flame anchoring scheme, predicts flame cusping for a case in which a strong vortex pair interacts with the flame front. The computed velocity and scalar statistics obtained for the turbulent V-flame compare reasonably well with experimental results by Cheng & Shepherd, and demonstrate the importance of flame-generated vorticity in the determination of flame dynamics and product velocity characteristics.

Publisher

Cambridge University Press (CUP)

Subject

Mechanical Engineering,Mechanics of Materials,Condensed Matter Physics

Reference45 articles.

1. Sethian, J. A. & Strain, J. 1992 Crystal growth and dendrite formation.J. Comput. Phys. 98,231–253.

2. Wu, M.-S. & Driscoll, J. F. 1992 A numerical simulation of a vortex convected through a laminar premixed flame.Combust. Flame 91,310–322.

3. Cheng, R. K. , Shepherd, I. G. & Talbot, L. 1988 Reaction rates in premixed turbulent flames and their relevance to the turbulent burning speed. Twenty-Second Symp. (Intl) on Combustion , pp.771–780.The Combustion Institute.

4. Rhee, C. W. 1992 Dynamical behavior of a premixed open v-flame with exothermicity and baroclinicity . PhD thesis,Mechanical Engineering, University of California, Berkeley.

5. Sethian, J. A. 1989 A review of recent numerical algorithms for hypersurfaces moving with curvature-dependent speed.J. Diffl Geom. 31,131–161.

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