摘要
本文通过对紊流场中悬移质质量在垂直方向上传递机理的分析,建立起一个与实验资料较吻合的质量传递系数的表达式,进而由扩散方程推导出指数形式的紊流中悬移质沿垂线的浓度分布解析式,该式较目前通用的Rouse公式的精度更好,在整个紊流场中与实验资料甚为一致。
This paper presents a mass transfer coefficient relation, which resulted from the analysis of suspended substance ia turbulent flow by the vertical transfer principle. The relation was found to agree well with experimental results. Furthermore,according to the diffusion equation, a vertical concentration formula is inferred which assuming an indexical form, also agrees well with relevant experimental results. Its accuracy is greater than that of Rouse's formula, though the latter has been much in use.
出处
《南方冶金学院学报》
1989年第2期45-52,共8页
Journal of Southern Institute of Metallurgy
关键词
紊流
悬移质
浓度分布
turbulent flow, mass transfer coefficient, concentration distribution
