雨风场型原子化的喷雾性能及其应用到参数优化中的应用.
Shaobo Li1, Jianping Li1, Ruirui Zhang2
1College of Electrical and Mechanical Engineering, Hebei Agricultural University, Baoding, China.
Pest management science
|October 5, 2023
概括
一个雨风场防漂流喷雾装置改善了水果树的喷雾沉积. 优化的空气流和参数显著减少喷雾漂移和目标外沉积,提高应用效率.
科学领域:
- 农业工程 农业工程
- 流体动力学 流体动力学
- 环境科学 环境科学
背景情况:
- 喷雾漂移和水果树树冠上的不均沉积是农业应用中的重大挑战.
- 现有的喷技术往往导致大量的目标外沉积和效率降低.
研究的目的:
- 设计和优化一个雨风场类型的防漂喷装置.
- 为了改善水滴沉积在果树树冠内.
- 为了最大限度地减少排列之间的喷雾漂移,并确保均的沉积物分布.
主要方法:
- 计算流体动力学 (CFD) 模拟用于设备参数优化.
- 进行了风洞测试,以分析抗漂移特性.
- 现场测试评估了滴水沉积和关键参数的影响.
主要成果:
- 优化的设备实现了出口空气流速 (24.5 m/s) 的48%增加.
- 数学模型显示了空气流量,直径,距离和漂移比率之间的显著相关性 (P <0.05).
- 现场测试确定了侧面空气流速,喷雾压力和出口直径作为滴水沉积的关键因素.
结论:
- 雨风场有效地减少了喷雾漂移和目标外沉积.
- 优化的参数,包括侧向空气流速 (2 m/s),喷雾压力 (0.4 MPa) 和出口直径 (70 mm2),最大限度地使滴水沉积.
- 这项研究为了解喷雾漂移和沉积动态提供了宝贵的参考资料.
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