Development of film heat transfer model based on multiphase flow numerical analysis
- 提供方法
- 本サイト上にてダウンロード・閲覧可
- 形態
- 価格
- 一般価格(税込)：￥1,100 会員価格(税込)：￥880
- 文献番号
- 20239257
- 文献・情報種別
- その他の国際会議
- 掲載ページ
- 1-7(Total 7 p)
- 発行年月
- 2023年 8月
- 出版社
- (公社)自動車技術会 & SAE
- 言語
- 英語
- イベント
- 2023 P, E&L
書誌事項
| カテゴリ（英） | IC4 Modeling, MBD, Engine Systems and Control 翻訳 |
|---|---|
| 著者（英） | 1) Takeshi Nagasawa, 2) Kenji Uchida, 3) Hiroyuki Yamashita |
| 勤務先（英） | 1) Mazda Motor Corporation, 2) Mazda Motor Corporation, 3) Mazda Motor Corporation |
| 抄録（英） | Automobiles will have to be applied strict regulations such as Euro7 against PM, HC, CO. PM is generated from fuel adhering to the wall surface of the combustion chamber. On the other hand, HC and CO are often generated when the fuel near the wall surface of the combustion chamber is insufficiently oxidized due to low temperature. Therefore, the fuel injection model of engine combustion CFD requires accurate prediction about the deposition and vaporization behavior of fuel on the wall surface of the combustion chamber. In this study, we first conducted multiphase flow numerical analysis that simulates fuel behavior on the wall surface of the combustion chamber. Then, we derived following two model formulas based on the result of multiphase flow numerical analysis. 1. A model formula for the contact area of liquid film that models the viscous stress inside the liquid film. 2. A model formula for the heat flux of a liquid film that models the heat transfer between the liquid film and the wall as heat conduction. Finally, we developed the film heat transfer model from these model formulas. In addition, we confirmed that our model formula could predict the liquid film temperature obtained by multiphase flow numerical analysis with high accuracy. 翻訳 |
