EFFECTS OF B20 ON COMBUSTION, EMISSIONS AND PERFORMANCE OF A LIGHT-DUTY DIESEL ENGINE

机译：B20对轻型柴油机燃烧，排放和性能的影响

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This paper compares 20% bio-diesel (B20-choice white grease) fuel with baseline ultra low sulfur diesel (ULSD) fuel on the performance of combustion and emissions of a light-duty 4-cylinder 2.8-liter common-rail DI diesel engine. The results show that operating the engine in the Low Temperature Combustion (LTC) regime produces lower PM and NOx with a slight penalty in fuel consumption, THC, and CO emissions. B20, in general, produces less soot. A slight increase in NOx emissions is shown with B20 compared to ULSD, with an exception at the high speed point where B20 has lower NOx values.rnIn addition, the performance and emission characteristics are investigated as a function of the ECU injection strategy. The addition of pilot injections is found to effectively reduce combustion noise and extends the injection retard window to reach LTC combustion regimes with acceptable noise level for LD diesel engines.

机译：本文将20％的生物柴油（B20-选择的白色油脂）燃料与基线超低硫柴油（ULSD）燃料进行了比较，比较了轻型4缸2.8升共轨DI柴油机的燃烧和排放性能。结果表明，在低温燃烧（LTC）体制下运行发动机会产生较低的PM和NOx，同时在燃料消耗，THC和CO排放方面有轻微的损失。通常，B20产生的烟灰较少。与ULSD相比，B20的NOx排放量略有增加，但B20的NOx值较低的高速点除外。rn此外，性能和排放特性是根据ECU喷射策略进行研究的。发现增加引燃喷射可以有效地减少燃烧噪声，并延长喷射延迟窗口，以达到LTC燃烧状态，并达到LD柴油发动机可接受的噪声水平。

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来源
《Proceedings of the 2009 spring technical conference of the ASME Internal Combustion Engine Division》|2009年|P.191-197|共7页
会议地点 Milwaukee WI(US);Milwaukee WI(US)
作者
Amy M. Peterson; Po-I Lee; Ming-Chia Lai; Ming-Cheng Wu; Craig L. DiMaggio;
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Wayne State University Detroit, Michigan, USA;

rnWayne State University Detroit, Michigan, USA;

rnWayne State University Detroit, Michigan, USA;

rnDelphi Corporation Troy, Michigan, USA;

rnDelphi Corporation Troy, Michigan, USA;

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EFFECTS OF B20 ON COMBUSTION, EMISSIONS AND PERFORMANCE OF A LIGHT-DUTY DIESEL ENGINE

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