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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

Simulations on flow and soot deposition in diesel particulate filters

http://hdl.handle.net/2237/20057
ac7613f7-e52b-49e0-8c20-8b00e538e458
名前 / ファイル ライセンス アクション
110.pdf 110.pdf (850.4 kB)
Item type 学術雑誌論文 / Journal Article(1)
公開日 2014-05-29
タイトル
タイトル Simulations on flow and soot deposition in diesel particulate filters
著者 Yamamoto, Kazuhiro

× Yamamoto, Kazuhiro

WEKO 52427

Yamamoto, Kazuhiro

Search repository
Ohori, Shinya

× Ohori, Shinya

WEKO 52428

Ohori, Shinya

Search repository
キーワード
主題Scheme Other
主題 Diesel engine
キーワード
主題Scheme Other
主題 after-treatment
キーワード
主題Scheme Other
主題 particle filtration
キーワード
主題Scheme Other
主題 soot
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 lattice Boltzmann method
キーワード
主題Scheme Other
主題 X-ray computed tomography
抄録
内容記述 To reduce particulate matter, including soot in diesel exhaust gas, a diesel particulate filter has been developed. In the after-treatment of exhaust gas, the filter traps particulate matter when the exhaust gas passes its porous wall. An increase of particulate matter accumulation could cause technological problems due to the higher filter back-pressure. This can result in a subsequent worsening of fuel efficiency and a decrease in engine output. However, it is difficult to experimentally observe the phenomena in diesel particulate filters. In this study, we simulated the flow with soot deposition using the lattice Boltzmann method. To discuss the flow in a real cordierite filter, a tomography-assisted simulation was conducted, and the inner structure of the filter was scanned using a three-dimensional X-ray computed tomography technique. The local velocity and pressure distributions in the filter were clearly visualized. To model the soot deposition, a parameter of soot deposition probability was used. Results show that the pressure drop increases as more soot is deposited. When the soot deposition probability of the parameter of soot deposition is larger, the soot deposition region is limited to the filter wall surface, corresponding to surface filtration. The pressure drop is smaller as the parameter of soot deposition is increased.
内容記述タイプ Abstract
出版者
出版者 SAGE
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 1468-0874
書誌情報 International Journal of Engine Research

巻 14, 号 4, p. 333-340, 発行日 2013-08
著者版フラグ
値 author
URI
識別子 http://dx.doi.org/10.1177/1468087412456687
識別子タイプ DOI
URI
識別子 http://hdl.handle.net/2237/20057
識別子タイプ HDL
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