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兵工学报  2012 

柴油机高密度-快速燃烧过程数值模拟

, PP. 1436-1441

Keywords: 动力机械工程,柴油机,高密度-快速燃烧,CFD模型,试验验证

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Abstract:

?针对柴油机升功率提高后燃烧过程的变化,应用CFD软件Fire研究燃烧子模型在柴油机高密度-快速燃烧过程模拟中的应用,利用某高升功率单缸柴油机的试验结果对WAVE喷雾破碎模型和涡团破碎(EBU)湍流控制燃烧模型的关键参数进行标定。对柴油机3600r/min时全负荷条件下燃烧过程进行数值模拟,仿真结果表明,缸内平均压力、指示功率和放热率与试验结果吻合良好,缸内燃油蒸发充分、温度分布均匀

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