Simulation results show that better atomization can be realized by enhancing the cavitation intensity via increasing the injection pressure difference or decreasing the nozzle inlet round angle - radius ratio 通过模拟计算可知,提高喷射压差和减小喷孔入口圆角半径都可以提高空穴强度,同时也发现提高喷孔长径比可以使空穴在喷孔出口截面上分布更为均匀。