A kinetic modeling study of pollutant formation in premixed hydrocarbon flames  

作　　者：JIANGYong QIURong FANWeicheng 

机构地区：[1]StateKeyLaboratoryofFireScience,UniversityofScienceandTechnologyofChina,Hefei230026,China

出　　处：《Chinese Science Bulletin》2005年第3期276-281,共6页

基　　金：This work was supported by the National Natural Science Foundation of China(Grants No.50276057 and 50476027);the China NKBRSF project(No.2001CB409600).

摘　　要：A kinetic modeling of pollutant formation in hydrocarbon flames is presented through analysis of hierar- chical structures. Based on the newly released GRI-Mech 3.0, it was mainly taken from Dean and Bozzelli (DB) and Wang mechanism respectively for the nitrogen chemistry, the for- mation and growth of polycyclic aromatic hydrocarbons (PAH). The modeling was improved by considering C4 and Howard’s PAH chemistry. The mechanism consists of 121 species in 731 reactions. Two premixed flame structures are predicted, and the computed results are compared with the experimental ones. It is shown that the mechanism predicts reasonably well the concentration profiles of major, key in- termediate and minor species.A kinetic modeling of pollutant formation in hydrocarbon flames is presentedthrough analysis of hierarchical structures. Based on the newly released GRI-Mech 3.0, it was mainlytaken from Dean and Bozzelli (DB) and Wang mechanism respectively for the nitrogen chemistry, theformation and growth of polycyclic aromatic hydrocarbons (PAH). The modeling was improved byconsidering C_4 and Howard's PAH chemistry. The mechanism consists of 121 species in 731 reactions.Two premixed flame structures are predicted, and the computed results are compared with theexperimental ones. It is shown that the mechanism predicts reasonably well the concentrationprofiles of major, key intermediate and minor species.

关 键 词：运动模式 污染物 形成过程 碳氢化合物 氮氧化物 大气污染 

分 类 号：X511[环境科学与工程—环境工程] X131.1