Based on sandblast working principle and structure characters of blast gun, freejet model was developed in eject sect.
根据喷砂工作原理和喷枪结构特征建立了引射段的自由射流模型。
2
The results show that the most significant feature of turbulent freejet is the intermittently generation, shed of elliptic vortex rings, and once they generate they shed immediately.
研究结果表明：湍流椭圆自由射流的最显著特征是椭圆涡环的间歇产生、脱落，这些涡环一旦产生立即脱落。
3
Based on sandblast working principle and structural characters of blast gun, freejet model was developed in eject sect.