In this paper, numerical simulation is carried out to analyze aerodynamics of new type rich-lean burner with different length preheator, which can develop the burner further.

• 利用对新型浓淡分离型稳燃器内的气固两相流动进行的数值模拟，得出了不同预热室长度时其空气动力特性的变化，对开发应用新型稳燃器具有一定的指导意义。