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基于HCCI的内燃机高效清洁燃烧技术研究进展
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Abstract:
在均质充量压燃着火燃烧(HCCI)燃烧模式下，发动机缸内具有均质、低温燃烧的特点，可以实现高效率，同时获得极低的NOx和PM排放。HCCI燃烧技术一直是世界范围内燃机领域技术研究热点。本文综述了内燃机各类HCCI燃烧技术，重点分析了缸外预混/缸内早喷/缸内晚喷等柴油机HCCI，以及汽油机可控自燃(CAI)等HCCI燃烧技术的实现方式、技术特点、优劣势以及发展趋势，以期为内燃机行业燃烧技术研究和产品开发工作提供参考和借鉴。
In the homogeneous charge compression ignition combustion (HCCI) combustion mode, the engine has the characteristics of homogeneous and low-temperature combustion in the cylinder, which can achieve high efficiency and obtain extremely low NOx and PM emissions at the same time. HCCI combustion technology has been a research hotspot in the field of internal combustion engines worldwide in recent years. This paper reviews various HCCI combustion technologies of internal combustion engines. This paper focuses on the analysis of the implementation methods, technical characteristics, advantages and disadvantages, and development trends of diesel engine HCCI such as out-of-cylinder premixing/in-cylinder early injection/in-cylinder late injection, as well as HCCI combustion technologies in gasoline engines, such as controllable spontaneous combustion (CAI). The purpose of this paper is to provide reference and reference for the research and product development of combustion technology in the internal combustion engine industry.
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