Design and test of powerful air-assisted sprayer for high stalk crops [PDF]
Frontiers in Plant Science, 2023 The canopies of high stalk crops, such as maize, intersect the rows at the later stages of growth, making conventional sprayers unable to enter the field for spraying.
Youyi Miao +8 more
doaj +6 more sources
Analysis of the Air Flow Generated by an Air-Assisted Sprayer Equipped with Two Axial Fans Using a 3D Sonic Anemometer [PDF]
Sensors, 2012 The flow of air generated by a new design of air assisted sprayer equipped with two axial fans of reversed rotation was analyzed. For this goal, a 3D sonic anemometer has been used (accuracy: 1.5%; measurement range: 0 to 45 m/s).
Javier Aguirre +4 more
doaj +4 more sources
Development and Experiment of an Air-Assisted Sprayer for Vineyard Pesticide Application
AgricultureThis paper presents an air-assisted sprayer for vineyard pesticide application. The spraying unit was designed with two symmetrically arranged ports. The airflow velocity distribution of the sprayer was investigated using a combination of experimental ...
Mingxiong Ou +7 more
doaj +4 more sources
Agriculture, 2023 Citrus orchards in Southeast Asia are commonly grown in hilly areas, where the terrain is unsuitable for the operation of crop protection machinery. Conventional spraying equipment used in hilly orchards have a poor deposition effect.
Xiuyun Xue +7 more
doaj +3 more sources
Validation of a CFD Model by Using 3D Sonic Anemometers to Analyse the Air Velocity Generated by an Air-Assisted Sprayer Equipped with Two Axial Fans [PDF]
Sensors, 2015 A computational fluid dynamics (CFD) model of the air flow generated by an air-assisted sprayer equipped with two axial fans was developed and validated by practical experiments in the laboratory.
F. Javier García-Ramos +5 more
doaj +2 more sources
Evaluation of the Wind Field and Deposition Effect of a Novel Air-Assisted Strawberry Sprayer
Agriculture, 2023 Strawberry is a widely cultivated cash crop in China. In order to control pests and diseases on strawberries, there must be sufficient deposits on the abaxial surfaces of the leaves.
Shaoqing Xu +6 more
doaj +3 more sources
Effects of sprayer speed, spray distance, and nozzle arrangement angle on low-flow air-assisted spray deposition [PDF]
Frontiers in Plant Science, 2023 Air-assisted spraying technology is widely used in orchard sprayers to disturb canopy leaves and force droplets into the plant canopy to reduce droplet drift and increase spray penetration.
Shiqun Dai +8 more
doaj +2 more sources
Research on decoupled air speed and air volume adjustment methods for air-assisted spraying in orchards [PDF]
Frontiers in Plant Science, 2023 Different fruit tree canopies have different requirements for air speed and air volume. Due to the strong relationship between air speed and air volume, the decoupled control of air speed and air volume cannot be achieved using the existing sprayers.
Hanjie Dou +9 more
doaj +2 more sources
Computational model of pesticide deposition distribution on canopies for air-assisted spraying [PDF]
Frontiers in Plant Science, 2023 The deposited pesticide distribution in fruit tree canopies is crucial for evaluating the efficacy of air-assisted spraying in orchards. Most studies have determined the impact of pesticide application on pesticide deposition on canopies without a ...
Hanjie Dou +7 more
doaj +2 more sources
Effect of operational parameters on droplet deposition characteristics using an unmanned aerial vehicle for banana canopy [PDF]
Frontiers in Plant ScienceIn recent years, as an important part of precision agricultural aviation, the plant protection unmanned aerial vehicle (UAV) has been widely studied and applied worldwide, especially in East Asia.
Jiaxiang Yu +14 more
doaj +2 more sources