基于STANJAN的多种燃料燃烧产物的计算和分析

Calculation and analysis on the product of combustion for multiple fuels based on STANJAN

利用STANJAN对甲烷(CH4)、丙烷(C3H8)及辛烷(C8H18)3种燃料与空气(21%O2与79%N2的混合物)在不同混合比下燃烧后产生的CO,NO,NO2的浓度及火焰温度进行了计算。结果表明3种燃料燃烧后的绝热火焰温度及3种产物浓度的变化趋势类似;且随着燃料碳氢比的上升,绝热火焰温度和3种产物的浓度随之上升。

The concentrations of CO,NO,NO2 and the flame temperature which is generated by the combustion of the different mixing ratio mixtures which contain methane （CH4）,propane （C3H8）,octane （C8H18）and air （mixture of 21% O2 and 79% N2） are calculated using STANJAN.The results show that the variation trends of the concentrations of CO,NO,NO2 and the flame temperature of the three kinds of fuels are the same,and with the increasing of carbon hydrogen ration,the flame temperature and the concentrations increase.