| 基于MATLAB的柴油机喷油过程数值研究 |
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| 引用本文： | 李书营,李福胜,王秀清,张铁竹.基于MATLAB的柴油机喷油过程数值研究[J].内燃机配件,2011(4):7-9. |
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| 作者姓名： | 李书营 李福胜 王秀清 张铁竹 |
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| 作者单位： | 郑州铁路职业技术学院; |
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| 摘 要： | 本文根据泵-管-嘴式喷油系统的组成和各部件的特征,编写系统各部分的连续方程和运动方程,建立泵-管-嘴喷油系统的数学模型。喷油泵和喷油嘴端作为其相应的边界条件进行求解。运用数值计算软件MATLAB进行编程模拟计算,程序运行后得到不同负荷、不同转速下的燃油压力参数曲线,并对之进行了比较分析。
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| 关 键 词： | 柴油机 喷油过程 数值研究 MATLAB |
Numerical Investigation on Injection Process of Diesel Engine Based on MATLAB |
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| Abstract: | A mathematic model of pump-tube-nozzle fuel injection system is created according to its geometry structure and the dynamic principle of the pressure wave spread.The simultaneous equations of the conservation of mass equations,the dynamics equations of moving parts and the pressure wave equations in all boundaries are solved.The pressure curves in the pump house,delivery valve house,high-pressure fuel pipe and the nozzle house and the principle of the fuel flowing are gained. Finally,the simulation results ... |
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| Keywords: | Diesel engine Injection process Numerical investigation MATLAB |
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