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首页> 外文会议>Tenth International Conference on Modelling, Monitoring and Management of Air Pollution Jul, 2002 City of Segovia >Drift velocity of particulates in an electrostatic precipitator: comparison of modelling with experiments
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Drift velocity of particulates in an electrostatic precipitator: comparison of modelling with experiments

机译：静电除尘器中颗粒的漂移速度：模型与实验的比较

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摘要

The evaluation of drift velocity of charged particulates in a laboratory scale electrostatic precipitator (ESP) will be discussed. The collection efficiency of an ESP depends on a large number of electrohydrodynamic parameters. The main mass transfer parameter in an ESP is the drift velocity of particulate which is determined by gravitational force, Coulomb force, drag force, inertial force of added mass, and lift force. The calculated migration velocity, using the fundamental motion equations of particles in an electrohydrodynamic field, differs very much from the effective drift velocity obtained experimentally. In the paper we develop a new concept of drift velocity calculation using the theory of dimensional analysis and the experimental data of collection efficiency in a laboratory scale ESP. As a result we obtained a universal relationship between drift velocity and a proposed ESP similarity number.
机译：将讨论在实验室规模的静电除尘器（ESP）中带电颗粒漂移速度的评估。 ESP的收集效率取决于大量的电动流体力学参数。 ESP中的主要传质参数是颗粒的漂移速度，它由重力，库仑力，拖曳力，附加质量的惯性力和升力确定。使用粒子在电流体动力学场中的基本运动方程式计算出的迁移速度与通过实验获得的有效漂移速度有很大差异。在本文中，我们使用尺寸分析理论和实验室规模的ESP收集效率的实验数据开发了一种新的漂移速度计算概念。结果，我们获得了漂移速度和拟议的ESP相似度数之间的通用关系。

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