柴油发动机乙醇-柴油混合燃料排放特性研究综述

Meng Chen
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引用次数: 0

摘要

本文综述了混合乙醇与其他燃料的排放特性研究。随着现代工业的快速发展,燃油发动机的广泛使用使得能源与环境的矛盾日益突出。为了响应可持续发展和减少各国发动机排放,许多科研机构对混合燃料进行了研究。混合燃料的研究主要集中在可持续性、经济性和环保性方面。与汽油发动机相比,柴油发动机的燃油消耗率较低,在重工业中得到广泛应用。但它的燃料来自精炼原油,不可再生,清洁度差。乙醇作为一种新兴的可再生燃料,具有清洁性能好、来源广泛、可再生等优点,是一种具有良好发展前景的燃料。如果乙醇可以作为传统内燃机和柴油发动机的替代燃料,可以节省一些传统燃料,并在一定程度上改善内燃机的排放问题。介绍了乙醇混合燃料的研究现状,以及不同乙醇比和不同工况下发动机的排放特性(NOx、HC和CO)。可以看出,随着乙醇掺合比例的增加,NOx含量增加,CO和HC排放量减少。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
A Review of Research on Emission Characteristics of Ethanol-Diesel Blends in Diesel Engines
This paper reviews research on the emission characteristics of blended ethanol and other fuels. With the rapid development of modern industry, the extensive use of fuel engines has led to increasingly prominent contradictions between energy and the environment. In order to respond to sustainable development and reduce engine emissions in various countries, many scientific research institutions have conducted research on mixed fuels. The research of blended fuel mainly focuses on its sustainability, economy and environmental protection. Compared with gasoline engines, diesel engines have a lower fuel consumption rate and are widely used in heavy industry. But its fuel comes from refining crude oil, which is non-renewable and has poor cleanliness. As an emerging renewable fuel, ethanol is a fuel with good development prospects due to its good cleanliness, wide range of sources and renewable. If ethanol can be used as an alternative fuel for traditional internal combustion engines and diesel engines, it can save some traditional fuels and improve the emission problems of internal combustion engines to a certain extent. This paper introduces the research status of ethanol blended fuels, and the emission characteristics of engines (NOx, HC and CO) under different ethanol ratios and different operating conditions. It can be seen that with the increase of ethanol blending ratio, NOx content will increase, while CO and HC emissions will decrease.
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