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タイトル: | Phenomenological modeling of diesel spray with varying injection profile |
著者: | Liu, Long Peng, Yan Ma, Xiuzhen Horibe, Naoto ![]() ![]() ![]() Ishiyama, Takuji |
著者名の別形: | 堀部, 直人 石山, 拓二 |
キーワード: | Diesel engine diesel spray spray model varying injection rate after the end of injection |
発行日: | Sep-2019 |
出版者: | SAGE Publications |
誌名: | Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering |
巻: | 233 |
号: | 11 |
開始ページ: | 2780 |
終了ページ: | 2790 |
抄録: | Accurate and quick prediction of spray characteristics such as spray penetration is paramount for the understanding and quantitative analysis of the combustion process in diesel engines, in order to perform parametric study on advanced combustion process in diesel engines, zero-dimensional diesel spray model is often used for the prediction of the spray evolution. In this study, a previous zero-dimensional diesel spray model applied for the spray penetration prediction including the part after the end of injection with a constant injection rate was extended to the cases with varying injection rate. The effective injection velocity was introduced into the previous spray model, which is defined as the ratio of the momentum flux and fuel mass flow rate over the spray tip cross-sectional area. Combined with this definition, the analysis of effective injection rate and its response time was performed during and after the end of injection. After that, the fuel mass flow rate and momentum flux over the spray tip cross-sectional area were derived for varying injection rate even after the end of injection based on the momentum and fuel mass conservation along the spray axis, and further the spray penetration. Finally, the developed model was validated by comparing with the experimental data. |
著作権等: | This is the accepted manuscript of the following article: Long Liu, Yan Peng, Xiuzhen Ma, Naoto Horibe, Takuji Ishiyama. Phenomenological modeling of diesel spray with varying injection profile. 'Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering' 233(11): 2780-2790. DOI: 10.1177/0954407018807021 この論文は出版社版でありません。引用の際には出版社版をご確認ご利用ください。 This is not the published version. Please cite only the published version. |
URI: | http://hdl.handle.net/2433/251414 |
DOI(出版社版): | 10.1177/0954407018807021 |
出現コレクション: | 学術雑誌掲載論文等 |
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