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김후중,김용모,김세원,Kim, Hoojoong,Kim, Yongmo,Kim, Sewon 대한기계학회 1999 大韓機械學會論文集B Vol.23 No.9
A lifted laminar flame structure has been numerically analyzed. The present study employs the physical submodels including the detailed chemical kinetics and the variable transport properties. The validation cases Include a lifted laminar CH4/air flame with a central diluted fuel jet and a surrounding fuel-lean coflow. Numerical results indicate the present approach successfully simulate the detailed structure and mechanism of the triple flame in the lifted laminar methane flame.
김후중(Hoojoong Kim),김용모(Yongmo Kim),윤명원(Myoungwon Yoon) 한국자동차공학회 2002 한국자동차공학회 Symposium Vol.2002 No.11
The present study has been focused on numerically investigating the flame structure, flame liftoff and stabilization<br/> in the partially premixed turbulent lifted jet flames. Since the lifted jet flames have the partially premixed nature in<br/> the flow region between nozzle exit and flame base, level set approach are applied to simulate the turbulent partially<br/> premixed lifted jet flames for various fuel jet velocities and co-flow velocities. The flame stabilization mechanism<br/> and the flame structure near flame base are presented in detail. The predicted liftoff heights are compared with the<br/> measured ones.