中国农业科学院农业信息研究所 中国农学会
Agricultural Information Institute of CAAS China Association of Agricultural Science Societies
En
Ch
中国农业科学院农业信息研究所 中国农学会 主办

AI检索

订阅

返回顶部
当前位置: 首页 > 文章 > 超高地隙喷杆喷雾机风幕式防飘移技术研究 农业机械学报 2012,43 (12) 83-92
Position: Home > Articles > Anti-drift Technology of Super-high Clearance Boom Sprayer with Air-assisted System Transactions of the Chinese Society for Agricultural Machinery 2012,43 (12) 83-92

超高地隙喷杆喷雾机风幕式防飘移技术研究

作  者：
张铁;杨学军;严荷荣;王俊;董祥
单  位：
中国农业机械化科学研究院
关键词：
喷杆喷雾机;气流辅助;超高地隙;飘移率;数值模拟
摘  要：
结合超高地隙喷雾机实际结构,应用ANSYS Fluent软件,采用标准k-ε湍流模型、离散相模型与Couple算法,建立了超高地隙喷杆喷雾机风幕式气流辅助施药技术雾滴沉积飘移分布模型,对飘移率与各影响因素之间的关系进行了仿真研究,确定了不同风机转速下雾滴飘移率与其各影响因素之间的函数关系,并对模拟研究结果的准确性进行了试验验证。研究结果表明,所建模拟模型能够比较准确地反映风幕系统各作业参数对雾滴飘移率的影响规律,其中辅助气流喷射角度、喷头水平安装位置、自然风风速、风机转速,以及辅助气流喷射角度和自然风风速、辅助气流喷射角度和风机转速、喷头水平安装位置和自然风风速、自然风风速和风机转速的交互作用都对飘移率有显著的影响。
译  名：
Anti-drift Technology of Super-high Clearance Boom Sprayer with Air-assisted System
作  者：
Zhang Tie Yang Xuejun Yan Herong Wang Jun Dong Xiang(Chinese Academy of Agricultural Mechanization Sciences,Beijing 100083,China)
关键词：
Boom sprayer,Air-assisted system,Super-high clearance,Drift rate,Simulation
摘  要：
A droplet deposition and drift distribution model was established for super-high clearance boom sprayer with air-assisted system in accordance with the actual structure of sprayer.The CFD software ANSYS Fluent was used.The standard k-ε turbulence model,discrete phase model and couple algorithm were adopted.The simulation test was designed to study the relationship of drift rate with its influencing factors.The functional relation of droplet drift rate with its influencing factors at different rotation speed of axial-flow fan was established and the accuracy of the simulation result was validated.The results showed that,the model was well fitted,and the parameters of air-assisted system can affect the drift significantly.These conditions include angle of air-assisted flow,nozzle horizontal position,natural wind velocity,rotation speed of axial-flow fan,interaction between angle of air-assisted flow and natural wind velocity,interaction between angle of air-assisted flow and rotation speed of axial-flow fan,interaction between nozzle horizontal position and natural wind velocity,interaction between rotation speed of axial-flow fan and natural wind velocity.

相似文章

导出引用
计量
文章访问数: 5
HTML全文浏览量: 0
PDF下载量: 0

所属期刊

推荐期刊

友情链接Friendly link
农业信息研究所Agricultural information institute 农业智能知识服务平台Agricultural intelligent knowledge service platform 农业学术服务平台Agricultural Knowledge Service System 中国知网CNKI 维普网VIP 万方WANFANG DATA
联系我们Contact us

电话Tell：010-82109652-808

邮箱E-mail：agrijournal@caas.cn

服务Service
关于我们About us 意见建议Opinions and suggest
版权说明Copyright
单位：中国农业科学院农业信息研究所 中国农学会 © 2017中国农业科学院农业信息研究所 ICP备案号：京ICP备09089781号-46