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Electric Cabin

机译:电动客舱

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摘要

Boeing's 787 Dreamliner grabs attention for its composite structure, but its systems are just as radical. The aircraft is a large step toward the all-electric airplane—one in which all systems are run by electricity. Bleed air from the engines has essentially been eliminated and while hydraulic actuators are still used, the majority of their power comes from electricity. The most eye-popping change is that the cabin will be pressurized by electric motors, not by the bleed air used by almost every pressurized aircraft. Breaking with five decades of practice, Boeing claims that electric compressors are better suited for the cabin than engine bleed.
机译:波音的787梦幻客机因其复合结构而备受瞩目,但其系统同样激进。飞机向全电动飞机迈出了一大步,其中所有系统均由电力驱动。基本上消除了发动机的排气,并且在仍使用液压执行器的同时,其大部分动力来自电力。最令人大跌眼镜的变化是,机舱将由电动机增压,而不是几乎所有增压飞机都使用引气。波音公司打破了五十年的实践,声称电动压缩机比发动机放气更适合机舱。

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