Development of Low Pressure Loop EGR System for Diesel Engines:-Development of Recirculation Control Logic for LPL-EGR and NOx Storage Reduction Combined System-
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概要
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The Low Pressure Loop (LPL) EGR system is well known as an effective technology to reduce NOx emission and fuel consumption. A system that combines both LPL-EGR and a NOx storage reduction (NSR) catalyst will be able to achieve further lower emission levels. However, this combined system has to overcome the issue of combustion fluctuations due to the recirculation of rich gases coming from the NOx reduction control. In addition, the time required to re-circulate rich gases vary in accordance with the engine operating conditions. This paper proposes a countermeasure based on the usage of Air-Fuel Ratio (A/F) sensors and a simple recirculation delay model.
- 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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