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本文应用新研制的全气缸取样系统测量了一台S195型涡流室式柴油机气缸内NO_x、CO浓度随曲轴转角的变化历程。考查了负荷、转速和喷油提前角对NO_x、CO浓度变化历程的影响。实验结果同计算机模拟结果作了对比,两者基本吻合。
In this paper, a newly developed full-cylinder sampling system was used to measure the variation of NO_x and CO concentrations in the cylinder of a S195 vortex chamber diesel engine with the crank angle. The effects of load, rotation speed and injection advance angle on NO_x and CO concentration were investigated. The experimental results are compared with the computer simulation results, the two basically agree.