空气流角对空气辅助喷雾中轴表面沉积的影响
Shaoqing Xu1,2, Xiang Wang2,3, Chao Li4
1College of Science, China Agricultural University, Beijing, China.
Frontiers in plant science
|July 20, 2023
概括
优化空气辅助喷雾器需要了解叶片角,以便更好地在叶片轴表面喷雾沉积. 调整空气流角可以显著改善喷雾覆盖范围,这对于果园中有效的害虫和疾病控制至关重要.
科学领域:
- 农业工程 农业工程
- 植物科学 植物科学
- 虫害管理 虫害管理 虫害管理
背景情况:
- 空气辅助喷雾器对于果园害虫和疾病控制至关重要.
- 在叶子的轴 (下侧) 表面上有限的喷雾沉积是一个常见的挑战.
研究的目的:
- 研究如何在叶面上达到令人满意的喷雾沉积的方法.
- 评估影响轴表面沉积的因素,包括叶角,风速,平台速度和喷嘴类型.
主要方法:
- 评估了叶角,风速,平台速度和喷嘴类型对喷雾沉积的影响.
- 检查了不同叶子到空气流角 (α) 的轴表面的暴露概率.
- 通过实地应用验证的发现,计算轴表面沉积效率 (DEAS).
主要成果:
- 叶角是影响轴表面覆盖率的最重要因素.
- 当叶子对空气流角 (α) 大于5°时,轴表面的暴露概率超过95%.
- 调整后的空气流角将DEAS提高到49.9% (中顶) 和109.3% (上顶),而没有调整时的DEAS为<30%.
结论:
- 叶子的角度极大地影响了叶子轴表面的喷雾沉积.
- 根据叶子暴露概率优化空气流角可以提高喷雾沉积效率.
- 这些发现为调整果园中空气辅助喷雾器风场提供了实用参考.
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