摘要
本文对由热、质最扩散和化学反应引起的垂直平板定常层流自然对流问题用Ｍｏｒｇａｎ变换群理论进行了分析，得到了壁面温度和浓度分布均按变化时的相似性方程组，并用Ｒｕｎｇｅ－Ｋｕｔｔａ方法和Ｎａｃｈｔｓｈｅｉｎ－Ｓｗｉｇｅｒｔ迭代法，在Ｐｒ＝０．７２和不同的施密特数Ｓ＿ｃ、反应阶ｎ和参数Ｐ、Ｑ下进行了数值求解。给出了相应的速度分布、温度分布和浓度分布曲线。
In this paper,applying Morgan's transformation groups theory,we analyzed the similarity solution for steady liminar natural convection flows caused by thermal,mass diffusion and chemical reaction from a vertical flat platc.When the plate temperature and concentration are allowed to vary like,we obtained similarity equations,Fur-thermore,using Runge-Kutta method and Nachtsheim-Swigert iterative method,we obtained numerical solution with different Schmidt number Sc,reaction order n and parameters P,Q at Pr=0.72,presented curves of the nondimensional velocity,temperature and concentration profiles,as well as corresponding conclusions.
出处
《空气动力学学报》
CSCD
北大核心
1995年第2期143-151,共9页
Acta Aerodynamica Sinica
基金
浙江省自然科学基金
