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首页> 外文会议>International Conference on Energy and Environmental Protection >Multi-Dimensional Simulation on the Matching of Combustion Chamber And Injection Pressure for A Heavy-Duty Diesel Engine
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Multi-Dimensional Simulation on the Matching of Combustion Chamber And Injection Pressure for A Heavy-Duty Diesel Engine

机译：重型柴油发动机燃烧室和注射压力匹配的多维模拟

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Multi-dimensional simulation was applied for the investigation of the combustion system of a heavy-duty diesel engine. Firstly, the matching of combustion chamber and injection pressure has been determined by simulation. Then through intermediate characteristic parameters which could quantitatively describe the properties of the mixing and combustion, the influence of the matching of chamber caliber ratios and injection pressure on each sub-process in compression and power stroke was analyzed comprehensively. The results showed that, for the model studied in this article, increasing the combustion chamber caliber ratio and injection pressure could help expanding the distribution range of the mixture in cylinder, making the mixture more uniform, increasing the proportion of the dilute mixture, thus effectively improved the power performance.
机译：应用多维模拟，用于研究重型柴油发动机的燃烧系统。首先，通过模拟确定燃烧室和注射压力的匹配。然后通过中间特征参数来定量地描述混合和燃烧的性质，分析了腔室口径比和喷射压力匹配对每个子过程的压缩和动力行程中的每个子过程。结果表明，对于本文研究的模型，增加燃烧室口径比和注射压力可以帮助扩大混合物在圆柱体中的分布范围，使混合物更均匀，增加稀释混合物的比例，从而有效地增加了稀释混合物的比例提高了功率性能。

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