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第542章 机械船(2 / 2)

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篌一脸迷茫地望着我,

我把篌拉到炉子旁,让他看正在烧开水的水壶,蒸汽顶的水壶盖乱动,找了东西把壶嘴给堵上,蒸汽顶着壶盖更厉害了,强子若有所思。

………………

蒸汽机主要由汽缸、底座、活塞、曲柄连杆机构、滑阀配汽机构、调速机构和飞轮等部分组成。汽缸和底座是静止部分。

在以前上物理课,我最感兴趣的就是这一方面,因为蒸汽机的发明与改良,是工业革命产生的最主要原因,也是西方资本主义快速发展,最终让西方在工业方面的发展大大超越了大清。

近代的中国屈辱史就是和西方的蒸汽机发明有很大关系。

在篌还着迷地盯着水壶盖看的时候,我来到篌的办公桌,找到一张纸,拿起笔开始把蒸汽机的各个部件画了出来。

这时篌过来了,看到我画的一堆东西,非常兴奋,好像他的思路被我画的一堆部件打开了一样。

我告诉篌,这些部件我只是画的大概,需要你们在实际生产中多做修改,我指着图画中的各个部件,把其运行原理向篌详细说了一下:

在蒸汽锅炉中,通过燃烧过程水沸腾为蒸汽。通过管道蒸汽被送到汽缸。阀门控制蒸汽到达汽缸的时间,经主汽阀和节流阀进入滑阀室,受滑阀控制交替地进入汽缸的左侧或右侧,推动活塞运动。蒸汽在汽缸内推动活塞做功,冷却的蒸汽通过管道被引入冷凝器重新凝结为水。这个过程在蒸汽机运动时不断重复。

蒸汽机直接将活塞的上下运动转化为船轴的旋转运动,新造的蒸汽机中还包含了一个小的涡轮机,从汽缸中出来的蒸汽还可以利用它的余热在推动这个涡轮机来提高整个驱动装置的效率。这个涡轮机也与船的螺旋浆轴相连。

螺旋桨转动,就可以推进船只行进…………………………

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