有几种方法可以知道如果你有一个密闭的汽车,没有一个是愉快的。这是因为你的车的乘客舱不是设计为密闭。新鲜空气在车的前面,循环通过汽车乘客舱和树叶在后面抽风机。如果一辆汽车或卡车的小屋真的是密封的,窗户不会解冻,里面会令人难以忍受的酷热,任何人都无法呼吸。
当汽车诊断问题时,人们会说“密封”的意思是“无懈可击”。Sitting inside a car in the pouring rain or a car wash would quickly tell you if you had any leaks in the door or window seals or even unsealed body seams. The vents that allow fresh air to enter and exit have been designed to keep water out and rarely cause auto problems.
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“密封”也可以指的是汽车的空气动力学,特别是如果你诊断汽车故障。水可以在任何地方,空气也会。每个小泄漏的密封破坏车辆周围的空气流动产生阻力。这就是为什么汽车设计师们尽一切努力只允许足够的空气冷却引擎和机舱通风,同时将大部分汽车周围的空气。虽然空气泄漏可能不会导致主要的汽车故障,他们可以是一个烦恼当每一点空气动力学项——像hypermiling或赛车时,例如。
虽然没有汽车是完全密封的(有很好的理由,记得),有些人比其他人更接近。旧的大众甲壳虫是著名,由于巧妙的广告车驱动直入湖中。汽车提出了司机探出窗外,问道:“现在,另一辆车给你这种质量对于这种价格吗?”This demonstration showed that the doors and body were well-sealed; however, the problem was that the doors could be difficult to close since they would pressurize the cabin momentarily. And if you did manage to get the doors closed on the first try, you could feel the pressure in your ears. But again, no car is perfectly airtight.
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