| 正交试验设计方法在柴油机燃烧系统参数仿真优化中的应用 |
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| 引用本文： | 余宏峰.正交试验设计方法在柴油机燃烧系统参数仿真优化中的应用[J].汽车科技,2011(3):26-29. |
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| 作者姓名： | 余宏峰 |
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| 作者单位： | 东风汽车有限公司东风商用车技术中心,武汉,430056 |
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| 摘 要： | 本文尝试在CFD模拟软件FIRE上采用正交试验设计方法,提取柴油机燃烧系统油、气、室的关键参数,即燃烧室口径比、缩口比、缩口半径、喷射锥角、涡流比,安排三水平正交模拟试验。计算结果采用方差分析进行分析,得出柴油机燃烧系统参数对发动机动力性和排放性的影响并找到较优的参数组合。
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| 关 键 词： | 正交试验设计 燃烧系统 CFD |
The Application of Orthogonal Experiment Design in Simulation and Optimization for Diesel Engine Combustion System Parameters |
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| YU Hong-feng.The Application of Orthogonal Experiment Design in Simulation and Optimization for Diesel Engine Combustion System Parameters[J].Automobile Science and Technology,2011(3):26-29. |
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| Authors: | YU Hong-feng |
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| Institution: | YU Hong-feng(Dongfeng Commercial Vehicle Technical Center of DFL,Wuhan 430056,China) |
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| Abstract: | This paper attempted to use orthogonal experimental design in FIRE of CFD simulation.We chose bowl aperture ratio,re-entrant ratio,bowl rim radius,injector spray cone angle and swirl ratio to stand for key parameters of fuel,air and chamber of diesel engine combustion system,and made three level orthogonal experiment for simulation.The simulation result is analyzed by Analysis of Variance.The influencing regularity of the combustion system parameters has been achieved about engine power and emission,and the relative optimal combination of combustion system parameter combination was found out. |
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| Keywords: | CFD |
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