物理化学过程 尜 Products,heat Luminous zone soot oxidation 02 Stoichiometric Soot contour(gas) Incandescence Soot formation Dark zone cracking Fuel Vaporization O2,products,heat Flame zone O2,fuel oxidation Chemiluminescence Capillary action Heat -Convection Diffusion →Conductio Wax Melting s*◆Radiation Wick Fumiaki Takahashi(2009) Candle and jet diffusion flames:mechanisms of combustion under gravity and microgravity conditions 《燃烧学基础》蜡烛火焰介绍 陈正（北京大学工学院cz@pku.edu.cn)
《燃烧学基础》蜡烛火焰介绍 陈正 ( 北京大学 工学院 cz@pku.edu.cn) 物理化学过程 Fumiaki Takahashi (2009) Candle and jet diffusion flames: mechanisms of combustion under gravity and microgravity conditions 6
物理化学过程 Products of burning mainly water and carbon dioxide Carbon particles consumed here or lower Luminous carbon zone Carbon particles formed here or lower Carbon particles become incandescent Main reaction zone: Chemical reactions Fuel vaporized Reaction zone with and decomposed C2 and CH emissions Oxygen diffusing into Thin dead space reaction zone Liquid fuel climbs wick Processes in the flame Jearl Walker(1978)The Physics and Chemistry Underlying the Infinite Charm of a Candle Flame 《燃烧学基础》蜡烛火焰介绍 陈正（北京大学工学院cz@pku.edu.cn)
《燃烧学基础》蜡烛火焰介绍 陈正 ( 北京大学 工学院 cz@pku.edu.cn) 物理化学过程 Jearl Walker (1978) The Physics and Chemistry Underlying the Infinite Charm of a Candle Flame Carbon particles consumed here or lower Carbon particles formed here or lower Main reaction zone: Chemical reactions Reaction zone with C2 and CH emissions Oxygen diffusing into reaction zone Liquid fuel climbs wick Thin dead space Fuel vaporized and decomposed Carbon particles become incandescent Luminous carbon zone Products of burning mainly water and carbon dioxide Processes in the flame 7