CFD数值模拟技术在温室环境因子调控中的应用

Application of CFD Numerical Simulation Technology in Greenhouse Environmental Factor Regulation

为了给作物提供适宜的生长环境,使作物免受外部气候条件的影响和虫害的入侵,控制温室内部的微环境十分重要。温室内部的微环境包括温度、湿度和通风速率等环境因子,对作物生长起着至关重要的作用。计算流体力学(CFD)作为一种数值模拟仿真技术,近年来已经广泛用于温室内微环境的模拟,利用CFD对温室内微环境进行模拟,实现温室内流场分布的可视化,有利于优化和改善环境调控措施。讨论了近年来国内外有关CFD在温室通风降温中的研究概况,介绍其在温室微环境模拟中的发展现状、面临的挑战及未来的应用前景。

In order to provide a suitable growth environment for crops and protect crops from impact of external climatic conditions and insect invasion,it is important to control micro-environment inside greenhouse.Micro-environment inside greenhouse includes environmental factors such as temperature,humidity and ventilation rate,which play an important role in crop growth.Computational fluid dynamics(CFD),as a numerical simulation technology,has been widely used in simulation of micro-environment in greenhouse in recent years.By using CFD to simulate micro-environment in greenhouse to realize visualization of flow field distribution in greenhouse,which is beneficial to optimize and improve environmental control measures.Research stituation of CFD in greenhouse ventilation and cooling at home and abroad in recent years were discussed.Furthermore,present situation of development in greenhouse micro-environment simulation,existing challenges and application prospect in the future were introduced.