摘要
以水肥一体机为研究对象,对水肥一体机灌溉过程及系统结构进行分析,确定了水肥一体机系统方案。利用Fluent软件对水肥一体机中肥液混合管道以及管道中肥液的流速和湍流强度等特性进行分析,确定所选用管道形式为一种4次折弯的主管道,可达到水肥在管道中自动混合均匀的目的。仿真分析及试验结果表明:随着灌溉点距水源位置的增加,肥液湍流强度基本不变,肥液流速逐渐降低,导致远端灌溉位置的集水量相对较低。
This paper takes the water and fertilizer integrated machine as the research object,through the analysis of the irrigation process and system structure of the water and fertilizer integrated machine,determines the water and fertilizer integrated machine system scheme in this paper.Fluent software is used to analyze the characteristics of the velocity and turbulence intensity of the fertilizer liquid mixing pipe and the fertilizer liquid in the pipe of the water fertilizer integrated machine.It is determined that the pipe form selected in this paper is a main pipe with four bends,so as to achieve the purpose of automatic mixing of water and fertilizer in the pipeline.The simulation analysis and experimental results show that with the increase of the distance between the irrigation point and the water source,the turbulence intensity of the fertilizer liquid is basically unchanged,and the fertilizer liquid velocity is gradually reduced,resulting in the relatively low water collection at the remote irrigation location.
作者
姜丽凤
Jiang Lifeng(Shandong Vocational College of Industry, Zibo 255000, China)
出处
《农机化研究》
北大核心
2022年第8期110-113,共4页
Journal of Agricultural Mechanization Research
基金
山东省教育科学项目(2016-xd-030)。
关键词
水肥一体机
FLUENT
水肥耦合液
湍流强度
water fertilizer integrated machine
fluent
liquid of water and fertilizer
turbulence intensity
