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内燃机废气再循环率评价方法的试验研究

Keywords: 内燃机,废气再循环(EGR)率,评价方法

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Abstract:

为了寻找一种简单、可靠且经济的废气再循环(EGR)率评价和检测方法以实现对内燃机的NOx排放的闭环控制,通过内燃机台架实验对儿种内燃机EGR率的评价方法的差异进行了分析,探讨了基于排气温度评价EGR率及实现N〔)J闭环控制的可能性.实验结果表明,在指定的实验工况下,各种评价方法产生的EGR率数值有差异,最大差值达8%,但变化趋势一致.

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