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Study on performance of wave-plate mist eliminator with porous foam layer as enhanced structure. Part II: Experiments
Xu, Yichen; Yang, Zhenming; Zhang, Jinsong; Zhang, JS (reprint author), Chinese Acad Sci, Inst Met Res, 72 Wenhua Rd, Shenyang 110016, Liaoning, Peoples R China.
2017-11-02
发表期刊PERGAMON-ELSEVIER SCIENCE LTD
ISSN0009-2509
卷号171页码:662-671
摘要In this paper, a new kind of wave-plate mist eliminator using open-celled porous silicon carbide foam layers as enhanced structure has been firstly proposed. The effects of foam layer geometry parameters (foam layer thickness, porosity, PPI) on droplet performance (separation efficiency and pressure drop) were experimentally investigated. Re-entrainment mechanism influenced by flooding state in the foam layer was also discussed. Downstream droplet diameter distribution under the re-entrainment conditions were also investigated by color-developing method. The results show that the sample with smaller foam pore size has larger volume mean diameter of secondary droplets in the outflow, due to its weaker liquid drainage ability. Comparisons between the experiment and our earlier numerical simulation demonstrate the average relative errors of the separation efficiency and the pressure drop are within 10%, meanwhile trends relating demister performance to foam geometry parameters are the same between the two sets of results, indicating the validity of the simulation method. In addition, two empirical correlations were obtained by fitting the experimental data, which can be used for predicting separation efficiency and pressure drop in the selected experiment conditions. (C) 2017 Elsevier Ltd. All rights reserved.; In this paper, a new kind of wave-plate mist eliminator using open-celled porous silicon carbide foam layers as enhanced structure has been firstly proposed. The effects of foam layer geometry parameters (foam layer thickness, porosity, PPI) on droplet performance (separation efficiency and pressure drop) were experimentally investigated. Re-entrainment mechanism influenced by flooding state in the foam layer was also discussed. Downstream droplet diameter distribution under the re-entrainment conditions were also investigated by color-developing method. The results show that the sample with smaller foam pore size has larger volume mean diameter of secondary droplets in the outflow, due to its weaker liquid drainage ability. Comparisons between the experiment and our earlier numerical simulation demonstrate the average relative errors of the separation efficiency and the pressure drop are within 10%, meanwhile trends relating demister performance to foam geometry parameters are the same between the two sets of results, indicating the validity of the simulation method. In addition, two empirical correlations were obtained by fitting the experimental data, which can be used for predicting separation efficiency and pressure drop in the selected experiment conditions. (C) 2017 Elsevier Ltd. All rights reserved.
部门归属[xu, yichen ; yang, zhenming ; zhang, jinsong] chinese acad sci, inst met res, 72 wenhua rd, shenyang 110016, liaoning, peoples r china ; [xu, yichen] univ chinese acad sci, beijing 100049, peoples r china
关键词Wave-plate Mist Eliminator Porous Foam Layer Droplet Separation Efficiency Pressure Drop Re-entrainment Experiment
学科领域Engineering, Chemical
资助者Chinese Government, through the project of the State's High-tech Development Plan [2015AA03A602]
收录类别SCI
语种英语
文献类型期刊论文
条目标识符http://ir.imr.ac.cn/handle/321006/78991
专题中国科学院金属研究所
通讯作者Zhang, JS (reprint author), Chinese Acad Sci, Inst Met Res, 72 Wenhua Rd, Shenyang 110016, Liaoning, Peoples R China.
推荐引用方式
GB/T 7714
Xu, Yichen,Yang, Zhenming,Zhang, Jinsong,et al. Study on performance of wave-plate mist eliminator with porous foam layer as enhanced structure. Part II: Experiments[J]. PERGAMON-ELSEVIER SCIENCE LTD,2017,171:662-671.
APA Xu, Yichen,Yang, Zhenming,Zhang, Jinsong,&Zhang, JS .(2017).Study on performance of wave-plate mist eliminator with porous foam layer as enhanced structure. Part II: Experiments.PERGAMON-ELSEVIER SCIENCE LTD,171,662-671.
MLA Xu, Yichen,et al."Study on performance of wave-plate mist eliminator with porous foam layer as enhanced structure. Part II: Experiments".PERGAMON-ELSEVIER SCIENCE LTD 171(2017):662-671.
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