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Exhaust Emissions from a Gas-fuelled S.I. Engine

机译:汽油发动机的尾气排放

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摘要

Attempts to improve engine performance are often accompanied by increased emissions. An effective approach to reduce emissions without necessarily a significant penalty in fuel economy is through operating S.I. engines on a range of gaseous fuels, and either leaning the operating mixture or diluting it with some exhaust gases. The emission characteristics of an engine operated in turn on CH2, H2CO and some of their mixtures are examined experimentally. The role of changes in some key factors affecting the production of the pollutants CO, NOx and unburned hydrocarbons were investigated. Guidelines for reducing the undesirable emissions are outlined.
机译:尝试提高发动机性能通常伴随着排放增加。一种有效的减少排放而又不必在燃油经济性上受到重大损失的方法是通过使一系列气体燃料运行S.I.发动机,或者使工作混合物倾斜或用一些废气稀释。通过实验检查了依次使用CH2,H2CO及其混合物的发动机的排放特性。研究了影响污染物CO,NOx和未燃烧碳氢化合物生产的一些关键因素的变化。概述了减少不良排放的指南。

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