从四轴无人机空中喷雾系统进行喷雾漂移评估:在不同风速下喷雾参数的影响和与弹力喷雾器的比较
Yangfan Li1,2,3, Xiongkui He1,2,3, Zhaoyan Zhu1,2,3
1College of Science, China Agricultural University, Beijing, China.
Pest management science
|February 26, 2026
概括
无人机空中喷雾系统 (UASSs) 显示出比弹喷雾器更高的农药漂移. 调整飞行高度低于3米是减少漂移和确保更安全的作物保护的关键.
科学领域:
- 农业工程 农业工程
- 环境科学 环境科学
- 农业学是一种农业学.
背景情况:
- 无人机空中喷雾系统 (UASS) 对于现代作物保护至关重要.
- 有关农药漂移和与UASS应用相关的环境风险存在担忧.
- 优化UASS参数对于最小化漂移而保持应用效率至关重要.
研究的目的:
- 量化评估喷雾参数对UASS漂移的影响.
- 为了比较UASS的漂移性能与传统的弹杆喷雾器.
- 确定在UASS实地应用期间减轻农药漂移的策略.
主要方法:
- 使用修改后的ISO 22866方法来评估带离心喷嘴的八旋翼UASS.
- 研究了滴水大小,飞行速度和飞行高度对沉积和漂移的影响.
- 在不同侧风条件下进行了测试,并将UASS性能与弹杆喷雾器进行了比较.
主要成果:
- 无人机下风漂移率是弹杆喷雾器的1.5-17.9倍,根据操作参数而有所不同.
- 飞行高度是影响滴水漂移和沉积的最关键因素.
- 滴滴大小显著影响空中漂移,而飞行速度的影响较小. 两者都没有显著影响目标沉积量.
结论:
- 飞行高度调整,特别是低于3米,是减少UASS漂移风险的主要策略.
- 这项研究为优化UASS喷参数的环境安全提供了关键数据.
- 这些发现支持通过改进的UASS技术开发更清洁的农业生产.
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