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Multi-scale simulation of the gas flow through electrostatic precipitators

机译：静电除尘器气流的多尺度模拟

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摘要

The gas flow distribution significantly affects the collecting performance of an Electrostatic Precipitators (ESP) system. Computational Fluid Dynamics (CFD) method is here used to study the gas flow through the ESP system at different scales and in a coupled fashion. Firstly, numerical experiments are conducted at an orifice scale (unit cell study) and ESP unit scale (collection unit study) respectively, to determine the parameters of the perforated plates and ESP unit, such as the pressure drop coefficients. Flow distribution in the large scale ESP system is then simulated and adjusted based on a simplified network model. The simulation results and experiment data match well not only qualitatively but also quantitatively. The study shows that the multi-scale CFD approach is suited to predict the gas flow in ESP systems and the results provide useful guidance for ESP design and control.
机译：气流分布会严重影响静电除尘器（ESP）系统的收集性能。本文使用计算流体动力学（CFD）方法以不同的比例和耦合的方式研究通过ESP系统的气流。首先，分别在孔板规模（单位细胞研究）和ESP单位规模（收集单位研究）上进行数值实验，以确定多孔板和ESP单位的参数，例如压降系数。然后，基于简化的网络模型对大型ESP系统中的流量分配进行仿真和调整。仿真结果和实验数据不仅在定性上而且在定量上都很好地匹配。研究表明，多尺度CFD方法适合预测ESP系统中的气体流量，其结果为ESP设计和控制提供了有用的指导。

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  • 来源
    《Applied Mathematical Modelling》 |2016年第22期|9514-9526|共13页
  • 作者

    Xing-Lian Ye; Yin-Biao Su; Bao-Yu Guo; Ai-Bing Yu;

  • 作者单位

    Experimental and Research Centre, Fujian Longking Co., Ltd., Longyan 364000, China;

    Experimental and Research Centre, Fujian Longking Co., Ltd., Longyan 364000, China;

    Department of Chemical Engineering, Monash University, VIC 3800, Australia;

    Lab for Simulation and Modelling of Paniculate Systems, School of Materials Science and Engineering, University of New South Wales, Sydney, NSW 2052, Australia;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Computational Fluid Dynamics; Flow distribution; Numerical simulation;

    机译：计算流体动力学;流量分配;数值模拟;

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