Sauter mean diameter (SMD, D32) of atomized particles decreases with increasing of air to liquid ratio, the decreasing degree reaches stability at ALR>0.04;

• 雾化颗粒平均粒径随着气液比增加呈现下降趋势，当ALR>0.；04，雾化颗粒平均粒径减小的趋势趋缓；