简单颗粒流的热传导模型及其有效热导率
陈志远;肖波齐;
摘要(Abstract)：
文章提出了简单颗粒流的热传导模型;根据稠密气体运动学理论,运用随颗粒速度而变化的自由程,理论推导了简单颗粒流的有效热导率表达式。当Biot数小于0.1时,有效热导率解析结果可适用于Biot数和Fourier数的乘积(biFo数)的整个范围。讨论了颗粒固体体积百分比和数对有效热导率的影响,结论比已有的研究结果更准确。
关键词(KeyWords)： 颗粒流;稠密气体运动学理论;自由程;颗粒温度;有效热导率
基金项目(Foundation): 咸宁学院校重点基金项目(基金号:KZ0627)
作者(Author): 陈志远;肖波齐;
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