Applicability of Various EGR Strategies in a Multi-cylinder Diesel Engine (Third Report):-Effect of Combining HPL-EGR and LPL-EGR Systems-
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概要
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The effect of combining high pressure loop (HPL-) and low pressure loop (LPL-) EGR systems on engine performance and emission characteristics were investigated using a multi-cylinder diesel engine under steady-state conditions. At low load, increasing HPL-EGR rate causes higher soot emission whereas increasing LPL-EGR rate causes higher fuel penalty. To solve this problem, combining HPL- and LPL-EGR systems at low load can reduce exhaust emissions without fuel penalty. At high load, in contrast, since pumping loss is low effect on fuel consumption, increasing LPL-EGR rate with higher boost pressure can reduce NOx and soot emissions simultaneously.
- 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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