The results show that the hot gas blowing from slit could reduce Sauter average droplet diameter, but with the increases of the blowing pressure difference, the Sauter average diameter reduces slowly.

• 结果表明：缝隙热气流吹扫可以减小二次水滴的Sauter平均直径，但随着吹扫压差的增大，平均直径的减小将变的缓慢；