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  1. B200 工学部/工学研究科
  2. B200a 雑誌掲載論文
  3. 学術雑誌

Numerical simulation of continuously regenerating diesel particulate filter

http://hdl.handle.net/2237/20043
b61817f5-e1ec-4a58-8647-e1c534bba275
名前 / ファイル ライセンス アクション
109.pdf 109.pdf (1.2 MB)
Item type 学術雑誌論文 / Journal Article(1)
公開日 2014-05-23
タイトル
タイトル Numerical simulation of continuously regenerating diesel particulate filter
著者 Yamamoto, Kazuhiro

× Yamamoto, Kazuhiro

WEKO 52382

Yamamoto, Kazuhiro

Search repository
Yamauchi, Kazuki

× Yamauchi, Kazuki

WEKO 52383

Yamauchi, Kazuki

Search repository
権利
権利情報 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.34, n.2, 2013, p.3083–3090, DOI: http://dx.doi.org/10.1016/j.proci.2012.06.117
キーワード
主題Scheme Other
主題 Diesel
キーワード
主題Scheme Other
主題 Soot oxidation
キーワード
主題Scheme Other
主題 Combustion product
キーワード
主題Scheme Other
主題 Catalyst
キーワード
主題Scheme Other
主題 X-ray CT
抄録
内容記述 In many countries, stricter exhaust emission standards are being set, and a diesel particulate filter (DPF) has been used to trap particulate matters (PM) including soot in diesel exhaust gas. It is reported that DPF filling with PM causes higher back-pressure and more fuel consumption, and continuously regenerating DPF is needed. Usually, to reduce the soot oxidation temperature, a catalyzed DPF is used. However, the phenomena inside DPF are not well understood, because it is difficult to conduct measurements inside the filter. In this study, we simulated soot oxidation and deposition by the lattice Boltzmann method to observe the transport process in continuously regenerating DPF. The inner structure of the filter was obtained by an X-ray CT technique. The reaction rate of soot oxidation by the Pt catalyst, as well as soot deposition probability in the numerical model, was evaluated in experiments. The soot trap and oxidation were investigated to discuss the conditions for the continuous regeneration. When the filter temperature (Tw) is 600 K, the amount of deposited soot is quite similar to that without considering the soot oxidation, so that the soot is not oxidized at this temperature. When Tw is raised to be 800 K, the amount of deposited soot is saturated. Thus, at Tw = 800 K or higher, the filter clogging can be avoided to achieve the continuous regeneration.
内容記述タイプ Abstract
出版者
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
ISSN
収録物識別子タイプ ISSN
収録物識別子 1540-7489
書誌情報 Proceedings of the Combustion Institute

巻 34, 号 2, p. 3083-3090, 発行日 2013
著者版フラグ
値 author
URI
識別子 http://dx.doi.org/10.1016/j.proci.2012.06.117
識別子タイプ DOI
URI
識別子 http://hdl.handle.net/2237/20043
識別子タイプ HDL
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