计算流体力学技术在粮食储藏中的应用

Application of Computational Fluid Dynamics Technology in Grain Storage Systems

计算流体动力学(computational Fluid Dynamics,简称CFD)是通过计算机数值计算和图像显示,对包含有流体流动、热量和质量传递等相关物理现象所做的分析、计算和优化的数值模拟工具。通过CFD技术在储粮通风工程中的应用实例,对CFD技术进行了介绍,并对采用CFD技术模拟储粮中的通风过程中流动、热湿传递过程和生态系统的研究现状进行了综述,探讨了采用CFD对储粮中的流动、传热传质过程进行数值模拟的优势以及未来发展趋势。

Computational Fluid Dynamics（CFD）is a simulation tool,which uses powerful computer and applied mathematics to model fluid flow situations for the prediction of heat,mass,momentum transfer and optimal design in industrial processes.This paper reviews the application of CFD in grain storage systems including cooling ventilation,drying ventilation,ecosystems in ventilation,natural convection heat and moisture transfer without aeration.The advantages of using CFD are discussed and the future of CFD applications is also outlined.