油菜籽过热蒸汽流化床常压干燥过程的数学模拟

被引：19

作者：

宫英振 ^{[1
]}

牛海霞 ^{[1
,2
]}

肖志锋 ^{[1
]}

刘相东 ^{[1
]}

杨德勇 ^{[1
]}

机构：

[1] 中国农业大学工学院

[2] 内蒙古机电职业技术学院机电工程系

来源：

农业工程学报 | 2010年 / 26卷 / 04期

关键词：

干燥; 动力学; 流化床; 过热蒸汽; 双流体理论; 数学模拟;

D O I：

暂无

中图分类号：

TS210.1 [基础科学];

学科分类号：

083202 ;

摘要：

为提高过热蒸汽流化床干燥模型的模拟精度,该文基于过热蒸汽流化床干燥机理,结合"双流体"理论建立了描述过热蒸汽流化床干燥过程的非稳态轴对称二维数学模型。利用有限体积法求解模型,模拟研究了常压下油菜籽的过热蒸汽流化床干燥过程及其干燥动力学特性,模拟结果与试验数据相吻合。研究结果表明,该模型能够很好地描述常压下油菜籽的过热蒸汽流化床干燥过程和物料在干燥过程中的运动状态。

引用

收藏

页码：351 / 356+387 +387

页数：7

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