摘要
为实现内燃机碳中和,将内燃兰金循环、工质移缸、燃料改质、气体储能技术相融合,提出主缸和副缸组合工作的新型甲醇发动机概念与构架。运用文献研究法,分析废气活化氛围下甲醇热化学重整过程,通过内部废气再循环,甲醇在主缸内被改质为H2、CO、CH4,实现醇氢融合燃烧;同时甲醇汽化吸热,将废气热量转换为甲醇燃烧能;主缸燃烧废气导入副缸再燃烧,副缸既延续主缸燃烧做功,又起到主缸燃烧后处理器作用,燃烧能量多级回收利用,实现发动机高效、清洁燃烧。
In order to realize carbon neutrality of automotive engine,a new methanol engine concept and framework with the master cylinder and auxiliary cylinder working cooperated with each other is proposed,it integrates internal combustion Rankin cycle,charge transit between cylinders,store energy in gas and fuel reforming technologies.The literature research method is used to analyze the thermo-chemical reforming process of methanol in the activated atmosphere of exhaust gas.With internal Exhaust Gas Recirculation(EGR),the methanol is reformed to H2,CO and CH4 in the main cylinder to realize the mixture combusts in fusion of methanol and hydrogen.At the same time,the heat of exhaust gas,absorbed by the methanol,is converted into methanol combustion energy.The exhaust gas of the master cylinder is introduced into the auxiliary cylinder to continue combusting.The auxiliary cylinder not only continues the combusting of the master cylinder,but also acts as the post processor of the master cylinder combustion,and the combustion energy is recycled in multiple stages,so as to achieve efficient and clean combusting of the engine.
作者
王俊昌
Wang Junchang(School of Mechanical Engineering,Anyang Institute of Technology,Anyang 455000)
出处
《汽车文摘》
2023年第7期9-17,共9页
Automotive Digest
关键词
甲醇发动机
架构
碳中和
热效率
排放
Methanol engine
Architecture
Carbon neutrality
Combustion thermal efficiency
Exhaust emission
