Experimental modelling of vacuum infrared radiation drying of Rehmanniae

摘要：

Vacuum infrared radiation drying has recently received more and more attention because of its effective and successful applications in drying some types of agricultural products.A mathematical model which allows prediction of the changes of moisture ratio of Rehmanniae undergoing vacuum infrared radiation drying with a self-transformed dryer was developed.Based on the comparison between the predicted results and the experimental ones, it was found that the model could illustrate very well the changes of the moisture ratio and the influence of drying parameters radiation board’s temperature T and pressure in drying chamber P on the drying curves.Finally, a temperature-related and pressure-related mathematical expression for correlating effective moisture diffusivity Deff and the moisture content of Rehmanniae was developed.

关键词： Vacuum infrared radiation drying mathematical model Rehmanniae the moisture ratio effective moisture diffusivity

作者: Zhu Wen-xue Liu Yun-hong Ma Hai-Le

作者单位: School of Food & Bio-engineering,Jiangsu University,Zhenjiang,212013 School of Food & Bio-engineerin School of Food & Bio-engineering,Jiangsu University,Zhenjiang,212013

会议类型: 国际会议

会议名称: The 7th Asia-Pacific Drying Conference(第七届亚太地区干燥会议 ADC2011)

会议地点: 天津

会议语种:英文

页码: 1-9

在线出版日期: 2011-09-18（万方平台首次上网日期，不代表论文的发表时间）