Authors

Abstract

Conical wind field anti-drift spray is an innovative form of anti-drift operation using auxiliary air flow, which can resist the generation of vortex, and has the characteristics of reducing the droplets loss with wind at the vertical height. In order to explore the characteristics of spray flow field and droplet deposition performance under conical wind field, the structure and working principle were analyzed based on the basic principle of proton dynamics. Spraytec and PDPA system were used to explore the distribution characteristics of spray flow field. Box-Behnken experimental design was used to analyze the droplet deposition performance. The optimum combination of the working parameters with spray height is 0.46 m, the spray pressure was 0.34 MPa, the conical wind speed was 16.16 m/s, and the droplet deposition amount was 3.39µL·cm-2. The droplet deposition amount was optimal.

Abstract in Chinese

为探究锥形风场作用下的喷雾流场特性及雾滴沉积性能，基于质子动力学基本定律对其结构和工作原理进行了分析。利用Spraytec和PDPA系统探究了喷雾流场的分布特点。采用Box-Behnken实验设计法分析了各影响因素对雾滴沉积率的影响。最优工作参数为喷雾高度0.46m，喷雾压力为0.34MPa，锥风风速为16.16m/s时，雾滴沉积量为3.39µL·cm-2。雾滴沉积量最优。