研究脱空气速度和空气体积调节方法,用于果园中空气辅助喷
Hanjie Dou1,2,3, Changyuan Zhai1,2, Yanlong Zhang1
1Intelligent Equipment Research Center, Beijing Academy of Agriculture and Forestry Sciences, Beijing, China.
Frontiers in plant science
|September 25, 2023
概括
一个新的空气辅助喷雾器允许通过调整风扇速度和出口面积来独立控制空气速度和空气体积. 这项创新使果园喷雾器能够精确地管理空气流量,提高了应用效率.
科学领域:
- 农业工程 农业工程
- 园艺科学 园艺科学
- 空气动力学 航空动力学
背景情况:
- 果园喷雾器需要特定的空气速度和体积才能有效地穿透树冠.
- 现有的喷雾器缺乏对空气速度和空气体积的独立控制,限制了应用精度.
研究的目的:
- 开发一款创新的空气辅助喷雾器,可独立控制空气速度和空气体积.
- 在果园喷雾器中建立脱空气流调节模型.
主要方法:
- 开发了一种具有可调节风扇转速 (0-2940r/min) 和空气出口面积 (1022.05-2248.51cm2) 的空气辅助喷雾器.
- 对风扇转速和空气出口面积进行了独立和联合的控制测试.
- 建立并验证了两个脱调整模型:恒定空气速度/可变空气体积和恒定空气体积/可变空气速度.
主要成果:
- 证明风扇速度和空气输出面积对空气速度和体积产生相反的影响.
- 通过组合调整实现了空气速度和空气体积的脱控制.
- 经过验证的模型最大平均误差为1.13% (空气体积) 和1.67% (空气速度).
结论:
- 开发的喷雾器能够精确,独立地控制空气速度和空气体积.
- 已建立的模型为果园喷雾器空气流系统的开发提供了理论和实际支持.
- 这一创新可以提高农业喷操作的效率和有效性.
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