Numerical Study of a Nonlinear Diffusion Model for Washing of Packed Bed of Cylindrical Fiber Particles

被引：0
作者：
Bharti Gupta
V. K. Kukreja
N. Parumasur
P. Singh
机构：
[1] SLIET,Department of Mathematics
[2] University of KwaZulu-Natal,Department of Mathematics
来源：
Arabian Journal for Science and Engineering | 2015年 / 40卷
关键词：
Shifted Legendre polynomial; Shifted Chebyshev polynomial; Langmuir isotherm; Orthogonal collocation cubic splines; Diffusion–dispersion model;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
A nonlinear model representing particle diffusion and molecular diffusion is considered in this paper. The equations are converted into dimensionless form involving Peclet and Biot numbers. The model is discretized in axial and radial domains using a cubic spline collocation method. The system of differential algebraic equations is obtained and is solved using MATLAB ODE15s. Using the actual plant data, the results are examined in terms of relative error. A uniform convergence of order two is established. Also, the model is simulated to study the effect of different parameters on exit solute concentration.
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页码：1279 / 1287
页数：8
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