Simulation of Corona Discharge in DC Electrostatic Precipitator

被引:1
|
作者
Kasdi, Ahmed [1 ]
Zebboudj, Youcef [1 ]
Yala, Hakim [2 ]
机构
[1] Univ Bejaia, Fac Technol, Bejaia 06000, Algeria
[2] Univ Bejaia, Fac Exact Sci, Bejaia 06000, Algeria
关键词
Electrostatic Precipitator; corona discharge; space charge; finite element method; ionized field;
D O I
暂无
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
The stable positive DC corona discharge in atmospheric air under a wire-to-cylinder system is analyzed in this paper. An iterative finite element technique is developed to obtain a general solution of the governing equations of the coupled space-charge and electric field problem. The technique is to use the finite-element method (FEM) to solve Poisson's equation and the method of characteristics (MOC) to find the charge density from a current-continuity relation. Besides, the corona ionized field is successfully modeled using COMSOL MULTIPHYSICS 3.4. Two application modes are used to solve system of coupled equations with appropriate boundary conditions: PDE (General Form) mode for electric potential distribution and Convection and Diffusion mode for charge transport equation. In order to validate the presented numerical methods a comparison with analytical solution and measured data are made. The obtained results are in good agreement.
引用
收藏
页码:384 / 396
页数:13
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