| 涡流比对直喷式柴油机缸内湍流流动规律的影响 |
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| 引用本文： | 许思传,张建华,孙济美. 涡流比对直喷式柴油机缸内湍流流动规律的影响[J]. 吉林大学学报(工学版), 2000, 30(1): 11-15 |
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| 作者姓名： | 许思传 张建华 孙济美 |
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| 作者单位： | 吉林工业大学,汽车工程学院,吉林,长春,130025 |
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| 摘 要： | 用三维数值模拟的方法研究了不同涡流比下直喷式柴油机缸内湍流流动的规律。涡流比变化时 ,燃烧室内的湍动能、流场结构及温度分布有很大的差异。本文给出了涡流比对湍动能、流场结构和温度分布变化规律的影响。
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| 关 键 词： | 湍流流动 内燃机 涡流比 |
| 收稿时间： | 1999-08-30 |
| 修稿时间： | ： 1999-08 |
Reaserch on Inlet Swirl Ratio Influence of Direct-Injection Turbulent Flow in Diesel Engine Cylinder |
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| XU Si-chuan,ZHANG Jian-hua,SUN Ji-mei. Reaserch on Inlet Swirl Ratio Influence of Direct-Injection Turbulent Flow in Diesel Engine Cylinder[J]. Journal of Jilin University:Eng and Technol Ed, 2000, 30(1): 11-15 |
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| Authors: | XU Si-chuan ZHANG Jian-hua SUN Ji-mei |
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| Affiliation: | College of Automobile Engineering, Jilin University of Technology, Changchun 130025, China |
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| Abstract: | The turbulent flow characteristics in cylinders of direct injection diesel engine under different air swirl ratios are analyzed by multi dimensional simulation methods.The turbulent energy,the fluid field structure and the temperature distribution show significant differences with the changes of air swirl ratios.The effects of swirl ratio on turbulent energy,fluid structure and temperature distrbutions in cylinder are given in this paper. |
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| Keywords: | turbulent flow internal combustion engine swirl ratio |
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