改善UASS农药应用:优化和验证漂移和沉积模拟
Qing Tang1,2, Ruirui Zhang1,2, Liping Chen1,2
1Intelligent Equipment Research Center, Beijing Academy of Agriculture and Forestry Sciences, Beijing, China.
Pest management science
|September 17, 2024
概括
针对无人机空中喷雾系统 (UASS) 的优化模拟提高了农药输送效率,减少了对环境的影响. 这项研究提供了一种使用UASS技术进行可持续害虫控制的验证模型.
科学领域:
- 农业工程 农业工程
- 计算流体动力学的流体动力学.
- 环境科学 环境科学
背景情况:
- 无人机空中喷雾系统 (UASS) 在全球范围内越来越多地用于农药应用.
- 精确模拟UASS对于提高农药输送效率和最大限度地减少环境影响至关重要.
- 研究了用于模拟UASS应用的格子博尔兹曼方法 (LBM).
研究的目的:
- 为优化UASS农药应用的模拟参数.
- 开发一个强大的模型,以提高UASS在害虫防治方面的表现.
- 提高农药漂移和沉积预测的精度.
主要方法:
- 使用格子博尔茨曼方法 (LBM) 进行UASS应用模拟.
- 分析了稳定性参数,网格大小 (转子,地面接近) 和唤醒流量参数的影响.
- 选择最佳的网格大小和模拟参数用于模型开发.
主要成果:
- 确定了最佳的网格尺寸:0.2m (一般),0.025m (旋转器附近),0.1m+0.2m (靠近地面).
- 发现唤醒分辨率和值显著影响了模拟结果.
- 通过将模拟下水流和滴滴沉积与现场数据进行比较,验证了LBM准确性.
结论:
- 优化UASS模拟参数,平衡计算效率和准确性.
- 经过验证的模型有助于设计更有效的UASS,用于精确的农药应用.
- 进步支持可持续的害虫控制策略,减少环境影响,同时确保作物保护.
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