高精度エンドガス自着火予測モデルの開発（第6報）
Development of High-Accuracy End-Gas Autoignition Prediction Model (Sixth Report)
- 提供方法
- 他サイトにて提供・販売
- 入手方法の確認はこちら
- 文献番号
- 20214628
- 文献・情報種別
- 自動車技術会論文集
Vol.52 No.5
- 掲載ページ
- 929-935(Total 7 p)
- 発行年月
- 2021年 9月
- 出版社
- (公社)自動車技術会
- 言語
- 日本語
書誌事項
| カテゴリ | 研究論文 |
|---|---|
| カテゴリ（英） | ResearchPaper 翻訳 |
| 著者 | 1) 桑原 一成 |
| 著者（英） | 1) Kazunari Kuwahara |
| 勤務先 | 1) 大阪工業大学 |
| 抄録 | 第2報ではプレミアムガソリンの着火遅れ時間の温度・圧力・当量比依存性を再現する総括式を構築した．第4報では総括式と誤差補正式を用いた遡り型LW積分を提示した．第5報では総括式にEGR依存性を組み込んだ．本報ではこれらの式を修正するとともに、遡り型LW積分による自着火予測の精度評価を数値的に行う． |
| 抄録（英） | A high-accuracy knocking prediction model with low computation loads is necessary for the efficient development of SI engines using engine performance simulators. In the first report, the scientific nature of autoignition prediction using the Livengood-Wu integral was investigated. In the second report, ignition delay time equations for a premium-gasoline surrogate fuel were developed to reproduce the temperature-, pressure-, and equivalence ratio-dependences of ignition delay time produced using a detailed reaction mechanism. In the third report, error factors in in-cylinder autoignition prediction using the Livengood-Wu integral with the ignition delay time equations were investigated. In the fourth report, an autoignition prediction model using “reverse Livengood-Wu integral” with the ignition delay time equations and an error correction equation was proposed. In the fifth report, the ignition delay time equations were improved to reproduce the EGR-dependence of ignition delay time. In the present report, the ignition delay time and error correction equations have been revised. The reverse Livengood-Wu integral with the revised equations has been applied to predicting HCCI’s and end-gas autoignitions produced using the detailed reaction mechanism under different conditions without and with EGR. The present model can be effective in decreasing errors in the prediction. 翻訳 |
