Conference on Electrical Insulation and Dielectric Phenomena Modelling of Near Corona Wire Electrohydrodynamic Flow in a Wire-Plate Electrostatic Precipitator
Conference on Electrical Insulation and Dielectric Phenomena Modelling of Near Corona Wire Electrohydrodynamic Flow in a Wire-Plate Electrostatic Precipitator
复制标题
线板静电除尘器中近电晕线电流体动力流的电绝缘和介电现象建模会议
DOI：
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发表时间：
2000
期刊：
影响因子：
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通讯作者：
'. Jen
中科院分区：
文献类型：
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作者：
Young Nam Chunl;Alexander A. Berezint;Drazena Brocilol;Jerzy Mizeraczyk;'. Jen
对近电晕导线电流体动力（EHD）流动的速度场进行了建模。本文计算了线对板型静电除尘器（ESP）的二维NavierStokes方程。数值模拟使用Phoenics (Version 3.5.1) CFD代码，结合本研究建立的泊松输运方程和离子输运方程，以及动量方程中的电体力。采用Chen-Kim修正的k -E湍流模型，获得了EHI流的平均流场和后丝下游尾流的定量图像。尽管电极的雷诺数较低（rew =12.4），但在电晕线的下游区域，流速场模式显示出强烈的EHD二次流。当放电电流增大时，二次流涡也是由EHD引起的。
The modelling of the flow velocity fields for near corona wire electrohydrodynamic (EHD) flow was performed. The steady, two-dimensional NavierStokes equations have been computed for a wire-to-plate type electrostatic precipitator (ESP). The numerical simulation used Phoenics (Version 3.5.1) CFD code coupled with Poisson's and ion transport equations, and electric body force in momentum equation which were developed in this study. The Chen-Kim modified k -E turbulent model was used to obtain a quantitative image of the resulting mean flow field and the downstream wake flow of rear wire for EHI) flow. The flow velocity field pattern showed a strong EHD secondary flow clearly visible in the downstream regions of the corona wire in spite of low Reynolds number for the electrode (Recw=12.4). The secondary flow vortices are caused by the EHD also when discharge current is increased.