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DETERMINATION OF CYLINDER FILLING TO CONTROL FUEL INJECTION

机译:汽缸填充控制燃料喷射的测定

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Although the combustion engine designers find the cylinder filling repeatability very important, the volume and composition of fuel load differ from cylinder to cylinder. This is the consequence of gas-dynamic phenomena in the intake manifold, difficult to be mathematically described and resulting from the asymmetry of the flow resistances on the way to the particular cylinders. The common part of the manifold averages the phenomena occurring in its individual channels. Determining the duration of the injection basing on the average figures causes differences in the fuel mixture composition in individual cylinders (fig.1).
机译:尽管燃烧发动机设计人员发现气缸填充重复性非常重要,但燃料负载的体积和组成不同于气缸到圆柱体。这是进气歧管中的气体动力学现象的结果,难以在数学上描述并由流动电阻的不对称性达到特定汽缸。歧管的共同部分平均在其各个渠道中发生的现象。确定在平均值上的注射液的持续时间导致各个汽缸中的燃料混合物组合物的差异(图1)。

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