采用N-S方程添加体积力源项的方法,使用FLUENT来模拟匀强电场对甲烷-空气球形传播火焰的拉伸影响,计算了过量空气系数1.6,体积力分别为12300 N/cm3、30750 N/cm3、123000 N/cm3情况下的火焰拉伸情况.结果表明,体积力选取较小值时数值结果与实验结果较为近似,偏大时则结果差别较大,通过对数值结果的分析发现,火焰锋面粒子迁移导致的浓度分布不均和涡流是导致球形传播火焰发生形变的主要原因.
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