Computer modeling of column apparatuses: 3. Perturbation method approach

被引：0
|
作者：
Boyadjiev, B. [1 ]
Doichinova, M. [1 ]
Boyadjiev, Chr. [1 ]
机构：
[1] Bulgarian Acad Sci, Inst Chem Engn, Sofia 1113, Bulgaria
来源：
JOURNAL OF ENGINEERING THERMOPHYSICS | 2015年 / 24卷 / 04期
关键词：
Differential equations;
D O I：
10.1134/S1810232815040128
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
A new approach for the column apparatuses modeling is proposed. The method is based on the convection-diffusion-type models, which are obtained on the base of physical approximations of the mechanics of continua. The velocity distributions of fluids in column apparatuses are unknown practically and for a quantitative analysis of the processes must be created average concentrations models. All these new type models are characterized by the presence of small parameters at the highest derivatives. As a result, the use of MATLAB for solving the model differential equations is difficult. This difficulty is eliminated by three algorithms, using the perturbations method.
引用
收藏
页码：371 / 380
页数：10
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