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首页> 外文会议>2003 Fall Technical Conference of the ASME Internal Combustion Engine Division; Sep 7-11, 2003; Erie, Pennsylvania >INVESTIGATION OF INJECTION PRESSURE EFFECTS ON MEDIUM SPEED DIESEL ENGINE EMISSIONS
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INVESTIGATION OF INJECTION PRESSURE EFFECTS ON MEDIUM SPEED DIESEL ENGINE EMISSIONS

机译：中等压力柴油机排放的喷射压力效应研究

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摘要

As with most internal combustion engines, the locomotive diesel is subjected to increasingly stringent regulatory emissions standards. Currently, diesel electric freight locomotives are regulated by the Tier 1 emission standards that went into effect January 1, 2002 as ruled by the United States Environmental Protection Agency (EPA). Beginning January 1, 2005 the US EPA Tier 2 diesel locomotive emissions standards will become effective. To achieve the new emissions standards an extensive engine development program was initiated. This paper will present a portion of the development conducted on a single cylinder engine (SCE) investigating the effects of injection pressure on emissions. The experimental results are presented with a discussion of the possible mechanisms leading to the results with supporting evidence from existing literature and analysis. This paper will focus on the effect of injection pressure as generated by pump capacity and nozzle cup hydraulic flow.
机译：与大多数内燃机一样，机车柴油也受到越来越严格的法规排放标准的约束。当前，柴油电力货运机车受美国环境保护署（EPA）规定的2002年1月1日生效的Tier 1排放标准的约束。从2005年1月1日开始，美国EPA Tier 2柴油机车排放标准将生效。为了达到新的排放标准，启动了广泛的发动机开发计划。本文将介绍在单缸发动机（SCE）上进行的部分开发，研究喷射压力对排放的影响。给出实验结果并讨论导致结果的可能机制，并提供现有文献和分析的佐证。本文将重点介绍由泵容量和喷嘴杯液压流量产生的喷射压力的影响。

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