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Combustion simulation with Lattice Boltzmann method in a three-dimensional porous structure
http://hdl.handle.net/2237/20031
http://hdl.handle.net/2237/200317fd58b47-caaa-4f03-bb2a-216caf35842d
名前 / ファイル | ライセンス | アクション |
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35.pdf (916.5 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2014-05-23 | |||||
タイトル | ||||||
タイトル | Combustion simulation with Lattice Boltzmann method in a three-dimensional porous structure | |||||
言語 | en | |||||
著者 |
Yamamoto, Kazuhiro
× Yamamoto, Kazuhiro× Takada, Naoki× Misawa, Masaki |
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アクセス権 | ||||||
アクセス権 | open access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_abf2 | |||||
権利 | ||||||
言語 | en | |||||
権利情報 | NOTICE: This is the author's version of a work that was accepted for publication in Proceedings of the Combustion Institute. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms, may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Proceedings of the Combustion Institute. v.30, n.1, 2005, p.1509–1515, DOI: http://dx.doi.org/10.1016/j.proci.2004.08.030 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Lattice Boltzmann method | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 3D computer tomography | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Porous media | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Diesel particulate filter | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Soot | |||||
抄録 | ||||||
内容記述 | To simulate the flow in a three-dimensional porous structure, we have used the Lattice Boltzmann method (LBM). The distribution functions for flow, temperature, and concentration fields are solved to simulate the regeneration process of diesel particulate filter (DPF). For a benchmark study, we have conducted the calculation in simple geometry. To change the flow characteristics such as porosity and tortuosity, obstacles of different number and size are selected, which are randomly placed in the duct. The flow pattern is changed with obstacle size even at the same porosity. To confirm the validity of our calculation, the results are compared with the empirical relationships of the Blake–Kozeny and Ergun equations, in the non-dimensional form using the Ergun coordinates of Reynolds number and friction factor. Numerical results show good agreements with the empirical predictions. Soot combustion is well simulated to show the effects of oxygen on the reaction rate. Finally, the real porous geometry has been tested. The porous structure of Ni–Cr metal has been obtained by the three-dimensional computer tomography technique. Results show that the inhomogeneous flow is observed, and there are regions where the temperature is locally higher. This information is indispensable for the better design of DPF. LBM can be a good tool for combustion simulation in porous media. | |||||
言語 | en | |||||
内容記述タイプ | Abstract | |||||
出版者 | ||||||
言語 | en | |||||
出版者 | Elsevier | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプresource | http://purl.org/coar/resource_type/c_6501 | |||||
タイプ | journal article | |||||
出版タイプ | ||||||
出版タイプ | AM | |||||
出版タイプResource | http://purl.org/coar/version/c_ab4af688f83e57aa | |||||
DOI | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1016/j.proci.2004.08.030 | |||||
ISSN | ||||||
収録物識別子タイプ | PISSN | |||||
収録物識別子 | 1540-7489 | |||||
書誌情報 |
en : Proceedings of the Combustion Institute 巻 30, 号 1, p. 1509-1515, 発行日 2005-01 |
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著者版フラグ | ||||||
値 | author | |||||
URI | ||||||
識別子 | http://dx.doi.org/10.1016/j.proci.2004.08.030 | |||||
識別子タイプ | DOI | |||||
URI | ||||||
識別子 | http://hdl.handle.net/2237/20031 | |||||
識別子タイプ | HDL |