| 缩口燃烧室中气流特性与燃油喷雾匹配对柴油机燃烧及排放的影响 |
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| 引用本文： | 袁方恩,林学东,田维,高莹,吴龙植. 缩口燃烧室中气流特性与燃油喷雾匹配对柴油机燃烧及排放的影响[J]. 吉林大学学报(工学版), 2011, 41(3): 629-634 |
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| 作者姓名： | 袁方恩 林学东 田维 高莹 吴龙植 |
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| 作者单位： | 1. 吉林大学汽车动态模拟国家重点实验室,长春,130022
2. 朝鲜平壤机械大学,朝鲜平壤 |
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| 基金项目： | “863”国家高技术研究发展计划项目(2008AA110101) |
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| 摘 要： | 利用三维数值仿真软件FIRE,对缩口直喷燃烧室内气流特性与燃油喷雾以不同喷射时刻匹配时对缸内速度场、浓度场和温度场分布特性的影响进行了仿真分析.研究了燃油喷雾与不同燃烧室空间气流特性匹配时的混合气形成特点和燃烧过程,并对混合气形成特点对发动机性能的影响进行了试验研究.结果表明,缩口燃烧室内气流特性与燃油喷雾以不同喷油正...
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| 关 键 词： | 动力机械工程 直喷柴油机 缩口燃烧室 气流特性 燃油喷雾 喷油正时 燃烧过程 排放 |
Effect of matching between airflow and fuel sprayin reentrant combustion chamber on combustion process and exhaust emissions |
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| YUAN Fang-en,LIN Xue-dong,TIAN Wei,GAO Ying,O Ryong Sik. Effect of matching between airflow and fuel sprayin reentrant combustion chamber on combustion process and exhaust emissions[J]. Journal of Jilin University:Eng and Technol Ed, 2011, 41(3): 629-634 |
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| Authors: | YUAN Fang-en LIN Xue-dong TIAN Wei GAO Ying O Ryong Sik |
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| Affiliation: | YUAN Fang-en1,LIN Xue-dong1,TIAN Wei1,GAO Ying1,O Ryong Sik2(1.State Key Laboratory of Automobile Dynamic Simulation,Jilin University,Changchun 130022,China,2.Pyongyang Mechanical University,Pyongyang,North Korea) |
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| Abstract: | The effects of the matching between the airflow characteristic and the fuel spray in the reentrant combustion chamber of a direct injection diesel engine under different fuel injection timings on the fields of air velocity,air-fuel ratio,and temperature in the chamber were simulated using the 3-dimensional numerical simulation software FIRE.The behaviors of air-fuel mixture formation and combustion process under different conditions were studied and the effect of mixture formation on the engine performance ... |
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| Keywords: | power machinery and engineering direct injection diesel engine reentrant combustion chamber airflow characteristic fuel spray fuel injection timing combustion process exhaust emission |
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