
1. 南京工业大学机械与动力工程学院
2. 天津大学先进内燃动力全国重点实验室
Published:2025
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陈雨凤, 鹿盈盈, 张道陈, et al. 预燃室内喷油参数对重型柴油机燃烧和排放的影响[J]. 2025, (3): 201-210.
陈雨凤, 鹿盈盈, 张道陈, et al. 预燃室内喷油参数对重型柴油机燃烧和排放的影响[J]. 2025, (3): 201-210. DOI: 10.16236/j.cnki.nrjxb.202503024.
以重型柴油机WP10H为研究对象,基于数值仿真软件CONVERGE研究预燃室式燃烧系统中预燃室内喷油定时和喷油角度对重型柴油机燃烧和排放的影响.结果表明:在大负荷工况下,预燃室式燃烧室能够强化燃烧,提前燃烧相位,提高缸压峰值,缩短燃烧持续期,但增加壁面传热损失;部分预燃室方案能够同时降低NO
x
和碳烟排放.优化后的方案表明,预燃室产生的持续湍动能扰动使得主燃室未燃混合气重新分布,降低稀燃混合气比例,降低NO
x
排放;同时当量比为1左右混合气比例增多,燃烧更加充分,在碳烟氧化阶段,主燃室温度高,利于碳烟氧化,降低碳烟排放.选择预燃室喷油定时为0°CAATDC、预燃室喷油角度为54.5°作为最终优化方案,该预燃室方案相较于原机,NO
x
排放减少2.48%,碳烟排放减少21.07%.
聂靖宇,刘一泽,王家勇,邬斌扬,苏万华.柴油机预燃室射流扰动燃烧系统的设计与试验[J].内燃机学报,2023(04).
刘瑞,黄立,吕兴才,冯明志,李红梅.不同环境温度下增压压力对柴油机性能的影响[J].内燃机学报,2022(06).
占文锋,罗亨波,陈泓,李钰怀,杜家坤.预燃室射流点火对汽油发动机性能影响[J].内燃机学报,2022(03).
江枭枭,杜家坤,陈泓,李钰怀,罗亨波,冶麟.预燃室射流点火对汽油机性能影响研究[J].机械科学与技术,2022(12).
何旭,徐一凡,王路,徐雨轩,周扬,刘福水.柴油温度对燃烧火焰温度和碳烟生成的影响[J].内燃机学报,2021(02).
张志强.高充量强混合技术对重型柴油机燃烧和排放的影响[D].天津大学,2021(10).
Liu Xinlei,Echeverri Marquez Manuel,Sanal Sangeeth,Silva Mickael,AlRamadan Abdullah S.,Cenker Emre,Sharma Priybrat,Magnotti Gaetano,Turner James W.G.,Im Hong G..Computational assessment of the effects of pre-chamber and piston geometries on the combustion characteristics of an optical pre-chamber engine[J].Fuel,2023.
Liu Zongkuan,Zhou Lei,Zhong Lijia,Wei Haiqiao.Enhanced combustion of ammonia engine based on novel air-assisted pre-chamber turbulent jet ignition[J].Energy Conversion and Management,2023.
Wang Huaiyin,Wang Tianyou,Feng Yizhuo,Lu Zhen,Sun Kai.Synergistic effect of swirl flow and prechamber jet on the combustion of a natural gas-diesel dual-fuel marine engine[J].Fuel,2022.
Li Yuhuai,Luo Hengbo,Gao Wenzhi,Chen Hong,Zhan Wenfeng,Du Jiakun.Effects of Combustion and Emissions of Turbulent Jet Ignition with a Small-Volume Prechamber for a Gasoline Engine[J].Journal of Energy Engineering,2022.
Lu Yingying,Fan Chao,Liu Yize,Pei Yiqiang.Effects of speed extension on PCCI combustion and emissions in a heavy-duty diesel engine at medium load[J].Fuel,2022.
Department of Mechanical Engineering, Universidade Federal Fluminense - PGMEC/UFF, Niterói, RJ, Brazil,Departamento Engenharia, Universidade Federal de Lavras, Lavras, MG, Brazil,Centro de Tecnologia da Mobilidade, Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil,Centro de Tecnologia da Mobilidade, Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil,Centro de Tecnologia da Mobilidade, Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil.The influence of volume variation in a homogeneous prechamber ignition system in combustion characteristics and exhaust emissions[J].Journal of the Brazilian Society of Mechanical Sciences and Engineering,2020.
Hong Liu,Yan'an Yan,Ming Jia,Yanzhi Zhang,Maozhao Xie,Hongchao Yin.An analytical solution for wall film heating and evaporation[J].International Communications in Heat and Mass Transfer,2017.
Yao-Dong Liu,Ming Jia,Mao-Zhao Xie,Bin Pang.Enhancement on a Skeletal Kinetic Model for Primary Reference Fuel Oxidation by Using a Semidecoupling Methodology[J].Energy & Fuels,2012.
Bingzhi Li,Anders Brink,Mikko Hupa.Simplified Model for Determining Local Heat Flux Boundary Conditions for Slagging Wall[J].Energy & Fuels,2009.
S. Heyne,M. Meier,B. Imbert,D. Favrat.Experimental investigation of prechamber autoignition in a natural gas engine for cogeneration[J].Fuel,2008.
David P. Schmidt,C.J. Rutland.A New Droplet Collision Algorithm[J].Journal of Computational Physics,2000.
In-Cylinder Measurement and Modeling of Liquid Fuel Spray Penetration in a Heavy-Duty Diesel Engine[J].SAE Transactions,1997.
Experimental and Numerical Studies of High Pressure Multiple Injection Sprays[J].SAE Transactions,1996.
Z. Han,R. D. Reitz.Turbulence Modeling of Internal Combustion Engines Using RNG κ-ε Models[J].Combustion Science and Technology,1995(4-6).
W.L. Flower,R.K. Hanson,C.H. Kruger.Kinetics of the reaction of nitric oxide with hydrogen[J].Symposium (International) on Combustion,1975(1).
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