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Lightning Flash In Imc

机译:IMC中的闪电

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Thunderstorms are just a bad place to be- turbulence, heavy precipitation, hail, wind shear and, of course, lightning. If you enter a thunderstorm, though, lightning is unlikely to be the item that ends your flight. Should you even worry about lightning? Or is it pointless, like Robert Redford's Sundance Kidrnworrying about whether he'll be able to swim after he jumps from a cliff so high he'll almost certainly die from the fall?rnThe effects of a lightning strike on an aircraft run the gamut from uneventful to catastrophic. To gauge the danger to yourself, you need to understand how aircraft are protected, how lightning mayrnaffect your aircraft, why lightning strikes are under-reported, and why you just might encounter lightning where you don't expect it.rnAircraft ProtectionrnThe aluminum skin and structure of metal aircraft provide an excellent conductor for lightning, which tends to divert most or all of the current away from the aircraft's electrical components and other systems. Bonding straps between the aircraft wings, flight controls, and other disparate components are important for preventing arcing, which can result in high temperatures and pressures (due to high-energy shock waves), and substantially greater damage.
机译:雷暴只是湍流,大雨,冰雹,风切变,当然还有雷电的坏地方。但是,如果您遇到雷暴,则闪电不太可能成为结束飞行的原因。您甚至应该担心闪电吗?还是像罗伯特·雷德福(Robert Redford)的圣丹斯·基德恩(Sundance Kidrn)这样担心,担心他是否会从悬崖上跳下后能游泳到如此高的高度,几乎可以肯定会因跌倒而丧生?灾难性的。要评估对自己的危险,您需要了解如何保护飞机,雷电如何对飞机造成影响,为什么雷击报告不足,以及为什么您可能会在意想不到的地方遇到雷电。rnAircraftProtectionrn铝制蒙皮和金属飞机的结构为雷电提供了极好的导体,它倾向于将大部分或全部电流从飞机的电气组件和其他系统转移出去。飞机机翼,飞行控制器和其他不同组件之间的绑带对于防止电弧放电很重要,因为电弧放电可能导致高温和高压(由于高能冲击波)和更大的损坏。

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  • 来源
    《IFR》 |2009年第4期|9-11|共3页
  • 作者

    John Ewing;

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  • 正文语种 eng
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