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Microfluidic Simulation of Diesel Exhaust Gas and Soot Oxidation in Diesel Particulate Filter
http://hdl.handle.net/2237/20341
http://hdl.handle.net/2237/20341b6f2553d-f49e-4277-9c76-e88ad1cbd8d1
名前 / ファイル | ライセンス | アクション |
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Item type | 研究報告書 / Research Paper(1) | |||||
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公開日 | 2014-06-17 | |||||
タイトル | ||||||
タイトル | Microfluidic Simulation of Diesel Exhaust Gas and Soot Oxidation in Diesel Particulate Filter | |||||
言語 | en | |||||
著者 |
Yamamoto, Kazuhiro
× Yamamoto, Kazuhiro× Hanaki, Yasunari |
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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 | Copyright © 2013-01-0009 SAE International. This paper is posted on this site with permission from SAE International. It may not be shared, downloaded, duplicated, printed or transmitted in any manner, or stored on any additional repositories or retrieval system without prior written permission from SAE. | |||||
抄録 | ||||||
内容記述 | Particulate matter (PM) including soot in diesel exhaust gas is a serious atmospheric pollutant, and stricter exhaust emission standards are being set in many countries. As one of the key technologies, a diesel particulate filter (DPF) for PM trap in the after-treatment of the exhaust gas has been developed. Typically, the inlet size of filter monolith is about 2 mm, and the thickness of the filter wall is only 0.2 mm, where soot particles are removed. It is impossible to observe the small-scale phenomena inside the filter, experimentally. Then, in the present study, we conducted microfluidic simulation with soot oxidation. Here, a real cordierite filter was used in the simulation. The inner structure of the filter was scanned by a 3D X-ray CT Computed Tomography) technique. The advantage is that it is non-intrusive system, and it has a high spatial resolution in the micrometer. By conducting tomography-assisted simulation, we obtained local velocity and pressure distributions of the complex microfluidics in the filter, which is hardly obtained by measurements. Especially, the conjugate simulation of gas-solid flow was presented. That is, to consider the heat transfer to the solid wall of the filter substrate, the equation of heat conduction was solved, simultaneously. Based on the temperature change and reaction rate in DPF, the conditions for the after-treatment were discussed. | |||||
言語 | en | |||||
内容記述タイプ | Abstract | |||||
内容記述 | ||||||
内容記述 | Technical Papers presented at Asia Pacific Automotive Engineering Conference | |||||
言語 | en | |||||
内容記述タイプ | Other | |||||
出版者 | ||||||
言語 | en | |||||
出版者 | SAE International | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源 | http://purl.org/coar/resource_type/c_18ws | |||||
タイプ | research report | |||||
DOI | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.4271/2013-01-0009 | |||||
ISSN | ||||||
収録物識別子タイプ | PISSN | |||||
収録物識別子 | 0148-7191 | |||||
書誌情報 |
en : SAE Technical Paper 巻 2013-01-0009, 発行日 2013-03-25 |
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著者版フラグ | ||||||
値 | publisher | |||||
URI | ||||||
識別子 | http://hdl.handle.net/2237/20341 | |||||
識別子タイプ | HDL |