[1]邱威,缪佳佳,李小龙,等.果园多通道定向风送雾化装置设计与试验[J].南京农业大学学报,2020,43(3):547-555.[doi:10.7685/jnau.201909004]
 QIU Wei,MIAO Jiajia,LI Xiaolong,et al.Design and experiment of multi-channel directional atomizer for orchard sprayer[J].Journal of Nanjing Agricultural University,2020,43(3):547-555.[doi:10.7685/jnau.201909004]
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果园多通道定向风送雾化装置设计与试验()
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《南京农业大学学报》[ISSN:1000-2030/CN:32-1148/S]

卷:
43卷
期数:
2020年3期
页码:
547-555
栏目:
食品与工程
出版日期:
2020-05-10

文章信息/Info

Title:
Design and experiment of multi-channel directional atomizer for orchard sprayer
作者:
邱威1 缪佳佳1 李小龙1 李骅1 吕晓兰2 丁为民1
1. 南京农业大学工学院/江苏省智能化农业装备重点实验室, 江苏 南京 210031;
2. 江苏省农业科学院农业设施与装备研究所, 江苏 南京 210014
Author(s):
QIU Wei1 MIAO Jiajia1 LI Xiaolong1 LI Hua1 LV Xiaolan2 DING Weimin1
1. College of Engineering/Jiangsu Key Laboratory of Intelligent Agricultural Equipment, Nanjing Agricultural University, Nanjing 210031, China;
2. Institute of Agricultural Facilities and Equipment, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China
关键词:
植保机械风送施药雾滴沉积飘移
Keywords:
plant protection machineryair-assisteddroplet depositiondrift
分类号:
S491
DOI:
10.7685/jnau.201909004
摘要:
[目的]本文旨在解决果树风送式施药存在雾滴穿透难、飘移严重等问题。[方法]结合现代密植果园特征和自由淹没射流理论,设计一种射流式且各通道气流高度独立调节的果园多通道定向风送雾化装置。风送雾化装置采用多通道风臂组、喷射式出风口与后盖弧形罩导流等结构,以达到气、雾流的高穿透性和定向防飘效果。[结果]相比较传统漫射型风送式喷雾,冠层内雾滴沉积提高47.6%,变异系数降低34%;地面沉积量和空中飘移量降低29.9%。[结论]该风机各项性能参数满足设计要求,作业工况下的效率值可以达到70%以上。
Abstract:
[Objectives] The paper aimed to solve the problems such as poor penetration and more drift of droplets in air-assisted orchard spraying. [Methods] Combined with fluid mechanics and spray technology,an orchard multi-channel air-assisted atomizer was designed,and the airflow height and angle in each channel were adjusted independently. The fan consists of air jet outlet,array structure air arm and the arc rear cover so as to achieve the high penetration and orientation of air flow. [Results] Compared with the conventional spray,the droplet deposition in the canopy increased by 47.6%,the coefficient of variation decreased by 34% and the drift decreased by 29.9%. [Conclusions] The performance of the fan meets the design requirements and the efficiency can reach more than 70% under operating conditions.

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备注/Memo

备注/Memo:
收稿日期:2019-09-02。
基金项目:国家自然科学基金项目(51805271);江苏省农业自主创新资金项目(CX181007);中央高校基本科研业务费专项资金(KYYJ201805)
作者简介:邱威,副教授,硕导,主要研究方向为植保机械与施药技术,E-mail:qiuwei@njau.edu.cn。
通信作者:丁为民,教授,博导,主要研究方向为农机现代设计理论与方法,E-mail:weimind@njau.edu.cn。
更新日期/Last Update: 1900-01-01