第13卷第4期2023年7月汽车工程学报ChineseJournalofAutomotiveEngineeringVol.13No.4July2023氨燃料汽车发动机燃烧技术研究进展丁颖,韩东,黄震(上海交通大学动力机械与工程教育部重点实验室,上海200240)摘要:为缓解全球气候变暖,可考虑在汽车发动机上燃烧零碳氨燃料以减少碳排放。但由于氨(NH3)的燃点高、最小点火能量高以及燃烧缓慢等劣势,需要借助氢气(H2)作为助燃剂,帮助改善氨燃料发动机的燃料燃烧过程。针对国内外相关文献进行综述,总结了氨氢双燃料发动机掺混燃烧调控方法的研究进展,并分析了氨催化分解制氢与氨燃料发动机耦合的研究现状,发现采用氨燃料在线重整制氢可以避免采用双燃料供给系统。研究结果表明,氢气助燃能提高氨燃料发动机的燃烧速度,降低NOx的排放量。对于氨燃料发动机依旧存在的动力性能下降和未燃氨气排放等问题,仍需在今后的研究中探索解决。关键词:汽车发动机;零碳燃料;氨气;氢气中图分类号:U464文献标志码:ADOI:10.3969/j.issn.2095‒1469.2023.04.01ResearchProgressonCombustionTechnologyforAmmonia-FueledAutomotiveEnginesDINGYing,HANDong,HUANGZhen(KeyLaboratoryforPowerMachineryandEngineeringofMinistryofEducation,ShanghaiJiaotongUniversity,Shanghai200240,China)Abstract:Toalleviateglobalwarming,ammoniaisbeingconsideredasazero-carbonfuelforautomotiveenginestoreducecarbonemissions.However,duetothedisadvantagesofammonia,suchashighauto-ignitiontemperature,highminimumignitionenergyandlowlaminarflamespeed,itisnecessarytousehydrogenasapromotertoimprovethecombustionperformanceoftheammonia-fueledengine.Thepaperprovidesacomprehensivereviewofrelevantliterature,summarizingtheresearchadvancementsincombustioncontrolmethodsforammonia/hydrogendual-fuelengines.Italsoanalyzesthestateofresearchonthecouplingbetweencatalyticdecompositionofammoniaforhydrogenproductionandammoniaengines.Itisfoundthattheon-boarddecompositionofammoniatoproducehydrogencanavoidtheuseofdualfuelsupplysystems.Theresultsshowthattheuseofhydrogenasacombustionpromoterincreasesthecombustionrateofammoniaengineswhilereducingtheemissionsofnitrogenoxides.However,issuessuchaspowerperformancedeteriorationandunburnedammoniaemissionsstil...