期刊论文

CFD simulation of flow field and temperature field of different air flow circulation modes in vegetable aeroponics cultivation box

中文

农业工程学报

1002-6819

2019

35

16

233-241

10.11975/j.issn.1002-6819.2019.16.026

国家重点研发计划项目(2017YFD0700903-2) 湖南省重点研发计划项目(2018NK2063).

本校为第一机构

蔬菜气雾栽培箱内的空气流动和温度对箱体内的环境调节及农作物生长具有重要作用,农作物周围空气的均匀性流动能促进农作物的生长速率.为探究蔬菜气雾栽培箱内流场及温度场分布规律,基于计算机流体力学(CFD, computational fluid dynamics)方法,利用FLUENT软件,结合标准湍流模型、有孔介质模型、作物冠层质热交换模型等,建立了蔬菜气雾栽培箱不同气流循环方式下的CFD模型.并对气雾栽培箱内的环境进行优化设计,设计了3种气流循环方案:顶面进侧面出,侧面进顶面出,侧面进侧面出.对送回风口的不同位置布局进行了研究,并对 3 种气流循环方案进行了数值模拟.模拟结果可知:气流为顶面进侧面出方案中,风...

The air flow and temperature in the vegetable aeroponics cultivation box play an important role in the internal environment regulation and crop growth. The uniform air flow around crops can promote the growth rate of the crop. In order to study the distribution of flow field and temperature field in vegetable aeroponics cultivation box, CFD models of vegetable aeroponics cultivation box under different air flow circulation modes were established based on computational fluid dynamic (CFD) method, FLUENT software, standard turbulence model, porou...