Q: How Do the Cylinder Numbers Impact Vehicle Performance and Reliability?

asked byon2015年12月2日

How do the cylinder numbers impact vehicle performance and reliability?

Engines in today’s automotive vehicles取决于车辆的尺寸和重量,或者预期发动机的工作,有不同的尺寸和数量。发动机也可以用于性能或更好的燃油里程。发动机最常见的是4、6或8个圆柱体。圆柱体均设计为单独产生动力。当您将它们结合在一起时,它们将产生更多的力量。例如,如果您有三个不同的发动机,并且每个圆柱体各有25立方英寸(CI),则将拥有一个带有100 CI的4缸发动机,带有150 CI的6缸发动机和8缸发动机,带有200 CI。发动机的输出马力将随着发动机中的气缸数量而增加。

由于马力的增加,发动机气缸的数量增加了发动机负荷能力。想想四匹马,六匹马和八匹马被2000磅重的马车拉。这四匹马可以以每小时十英里的速度在地面上拉动货车,而不会出现问题,但只能在不停止休息的情况下进行四个小时。六匹马可以将同一辆货车拉长两个小时,八匹马可以将其拉长八个小时。该示例表明,随着马匹的增加,马可能会走得更远,因为它们每个人的工作较少,因此不需要经常休息。发动机以相同的方式工作;大多数四个气缸发动机不会像六或八个圆柱发动机磨损之前一样持续。

上山也是如此。较小的发动机将无法尽快将2000磅的货车驶上山坡,就像六或八个气缸发动机所能一样。当我们在轻荷载情况下使用较小的发动机时,它的性能可能与较大的发动机一样,但成本较低。这就是为什么您会在小型汽车和大型汽车或卡车中看到小型汽车和大型发动机的小型发动机的原因。现在,我们开始在较重的应用中使用较小的发动机,但是高性能发动机在需要额外功率时使用类似燃料的高性能发动机,并且在不需要额外的电源时使用更少的燃料。例如,我们可以通过增压或涡轮增压4或6缸发动机的马力,从而在向发动机充满添加的燃料和空气时为其提供与6或8缸相同的功率。当我们遇到低负载情况时,例如以稳定的速度巡航,发动机不需要额外的电源,并且关闭了增压或涡轮增压,因此您的4或6缸并使用较少的燃料。

发动机的可靠性取决于许多不同的因素,例如保持发动机的维护方式,发动机的负载,您的驾驶习惯,高速公路与城市驾驶以及您驾驶的地形。在发动机更努力或严重驾驶条件的情况下,较大的发动机往往会持续更长的时间。当遇到这些不利条件时,较大的发动机不必像较小的发动机那样劳累。

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