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Journal of Porous Media
インパクトファクター: 1.49 5年インパクトファクター: 1.159 SJR: 0.43 SNIP: 0.671 CiteScore™: 1.58

ISSN 印刷: 1091-028X
ISSN オンライン: 1934-0508

巻:
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Journal of Porous Media

DOI: 10.1615/JPorMedia.v2.i2.70
pages 191-204

Flow Modeling in Fabric Filters

Antonio C. Caputo
Department of Energetics, Faculty of Engineering, University of L’Aquila, 67040 Monteluco di Roio (AQ), L’Aquila, Italy
Pacifico M. Pelagagge
Department of Energetics, Faculty of Engineering, University of L’Aquila, 67040 Monteluco di Roio (AQ), L’Aquila, Italy

要約

In this article, after a short description of the general characteristics of fabric filters, the methods to evaluate pressure drop found in the literature are briefly surveyed. To provide a contribution toward a more detailed characterization of fabric filter performance, a one-dimensional time-dependent mathematical model has been developed for both inside−outside and outside−inside gas flow in the bag. Direction of the gas flow in the bag is representative of fabric filter cleaning methods (i.e., shaker, reverse-air, pulse-jet). The resulting simulation model allows for a fairly precise estimation of pressure, velocity, and dust cake fields inside the filter, supported by comparisons with experimental data. Using this simulation tool, the baghouse system design based on economic optimization may be pursued. With this in mind, a mapping example of main operational parameters is presented with the aim of highlighting the capabilities of the proposed methodological approach.


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