Numerical Simulation of Soot Deposition in GPF with Straight Flow
隔壁平行流れを考慮したGPFのスス堆積シミュレーション
- Delivery
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- Publication code
- 20224210
- Paper/Info type
- JSAE Transaction
Vol.53 No.3
- Pages
- 497-503(Total 7 p)
- Date of publication
- May 2022
- Publisher
- JSAE
- Language
- Japanese
Detailed Information
| Category(J) | 研究論文 Translation |
|---|---|
| Category(E) | ResearchPaper |
| Author(J) | 1) 山本 和弘, 2) 梅村 佳汰 |
| Author(E) | 1) Kazuhiro Yamamoto, 2) Keita Umemura |
| Affiliation(J) | 1) 名古屋大学, 2) 名古屋大学 |
| Abstract(J) | 今回はGPFの隔壁に垂直方向の流れ（ウォールフロー）の速度を固定して隔壁に平行方向の流れ（ストレートフロー）の速度を変化させた．また，ウォールフローのみの場でも同様の数値シミュレーションを行って比較・検討することで，流れ場やスス堆積過程に与えるストレートフローの影響を明らかにした． Translation |
| Abstract(E) | It has been reported that gasoline direct injection (GDI) vehicles are widely used in the world including Japan. Different from traditional port fuel injection (PFI) of gasoline vehicles, they emit considerably more particulate matter (PM). Then, the filtration system for gasoline soot is needed, called a gasoline particulate filter (GPF). In this study, we conducted a numerical simulation of flow field and soot filtration in GPF with straight flow, corresponding to the flow parallel to the filter wall. First, we simulated the flow field in a two-dimensional domain. Secondary, we conducted three-dimensional simulation of soot filtration by using the boundary condition of the flow field in 2D simulation. In the simulation, we changed the length of the filter wall to keep the velocity normal to the filter wall. Based on our results, we discussed the effect of straight flow on the soot filtration. |
