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首页> 外文期刊>The Journal of the Textile Institute >Optimization study to improve filtration behaviour of electret filter media
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Optimization study to improve filtration behaviour of electret filter media

机译：改善驻极体滤料过滤性能的优化研究

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摘要

This work reports on a study of air filtration behaviour of electret fibrous filter media prepared from polymeric nonwoven materials using corona-charging process. In this work, a full factorial design of experiments in conjunction with response surface methodology of analysis was used. The single as well as interaction effects of fibre diameter, basis weight, point voltage and grid voltage on filtration efficiency were determined. The filtration efficiency was found to be higher with smaller fibre diameter, higher basis weight, higher point voltage and higher grid voltage. The fibre diameter contributed maximum towards the filtration efficiency, followed by the grid voltage, basis weight, and point voltage. A response surface model was developed to predict the filtration efficiency of the filter media. The model displayed very good correspondence with the experimental results. The experiments performed at the optimum levels of fibre diameter, basis weight, point voltage and grid voltage yielded filtration efficiency very close to the predicted value.
机译：这项工作报告了对使用电晕充电工艺由聚合非织造材料制备的驻极体纤维状过滤介质进行空气过滤性能的研究。在这项工作中，结合响应面分析方法使用了完整的因子设计实验。确定了纤维直径，基重，点电压和栅极电压对过滤效率的单一以及相互作用的影响。发现当纤维直径较小，单位重量较高，点电压较高和栅极电压较高时，过滤效率较高。纤维直径对过滤效率贡献最大，其次是电网电压，基重和点电压。开发了响应表面模型来预测过滤介质的过滤效率。该模型与实验结果显示出很好的对应关系。在纤维直径，基重，点电压和栅极电压的最佳水平下进行的实验产生的过滤效率非常接近于预测值。

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