In order to study the regeneration mechanism of DPF in detail, we still need a mathematical model of the channel unit, which present temperature field and the soot reaction rate of the channel.

• 为了详细的研究微粒捕集器的再生机理，建立了孔道单元数学模型，得到了孔道内的温度场分布和微粒反应速率分布；