颗粒物料传质过程的数值仿真与实验研究

Numerical simulation and test study on particulate materials mass transfer

利用质量平衡方程、能量平衡方程、传热方程和传质方程,建立了颗粒物料在转筒干燥器干燥过程中的传质数学模型,并使用有限元法进行了仿真研究,该模型能够较好地预测干燥过程中物料颗粒含湿量的变化,仿真结果与实验结果吻合良好。该仿真程序对此类问题的研究具有参考价值。

Using mass balance equation, energy balance equation, heat an d mass transfer equation,a mathematical model of mass transfer during the granul ar materials drying has been presented. The finite element method is used. The v ariation of material moisture content can be predicted. The model prediction agr ees with the experiment data. The programming is a useful reference for research of the similar problem.