赵兴民,陈锦文
Zhao Xingmin and Chen Jinwen (Department of Chemical Engineering, Tianjin University, Tianjin 300072)
摘要: 依据理论模型推导出由虚拟粘度概念估算无限稀释液相扩散系数的关系式.虚拟粘度可由混合物粘度确定,也可从纯物质的粘度估算.仅由纯物质粘度计算虚拟粘度,本文方程对50个扩散系数的估算误差为10.6%,而Wilke—Chang方程和Tyn-Calus方程的估算误差分别为22.9%和14.2%.