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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 numerical simulation tool for the analysis, calculation and optimization of physical phenomena involving fluid flow, heat and mass transfer through computer numerical and image display. The application of CFD technology in the grain storage ventilation project was introduced, and the CFD technology was introduced. The current research on the flow, heat and moisture transfer process and ecosystem in CFD simulation of grain storage was reviewed. The advantage of using CFD to simulate the flow, heat and mass transfer in grain storage and the future development trend.