Fundamental Characteristics of Ignition-Combustion of Rich Mixture Plume in High Pressure Direct Injection Hydrogen Engines
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概要
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A new ignition-combustion concept named PCC (Plume Combustion Concept), which ignites rich mixture plume right after injection of hydrogen is finished, is proposed by the authors in order to reduce NOx emissions without offering any tradeoffs on decreasing output power and thermal efficiency. In this study fundamental requirements of hydrogen jet to optimize PCC are investigated by using single hydrogen jet. As a result it was clarified that reducing jet penetration to piston bowl, reducing hydrogen wetting to cylinder head wall and igniting in the middle of mixture plume are effective to minimize NOx emissions and maximize thermal efficiency.
- 公益社団法人 自動車技術会の論文
公益社団法人 自動車技術会 | 論文
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