The primitive atomization mechanism was discussed, and the system parameters, measurement principles and measurement process of 3D phase doppler particle anemometer (PDPA) were presented.

• 初步探讨了旋芯式喷嘴的雾化机理,简述了三维相位多普勒粒子测速仪(PDPA)的系统参数、测量原理和测量过程。