问答
如何解决飞行汽车噪音问题?
发表时间:2018-11-12 12:46:05 点击:
还有一个问题就是噪音,电动飞行虽然比燃油机噪音更小,但目前仍然噪音很高,电动飞机产生的噪音问题主要是来自螺旋桨切割空气的声音。
Uber飞行项目负责人Mark Moore曾指出,如果将飞机螺旋桨切割空气的速度降至传统直升飞机的一半,根据飞行的物理特性,飞机螺旋桨发出的噪音就会降低32倍——很明显,降低螺旋桨的速度就意味着降低了推力,这对飞行行业来说是个不小的挑战。
英文版
English version
Another problem is noise. Although electric flight is less noisy than fuel engines, it is still very noisy. The noise problem of electric aircraft mainly comes from the sound of propeller cutting air.
Mark Moore, head of Uber's flight program, has pointed out that if the speed of propeller cutting air is reduced to half of that of a conventional helicopter, according to the physical characteristics of flight, the noise emitted by the propeller will be reduced by 32 times - obviously, reducing the speed of the propeller means reducing the thrust, which for the flight industry. It's not a small challenge.
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