Slow-motion video of hummingbird and insect flight helps solve hovering physics problem

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A team lead by Stanford's David Lentink has studied hummingbird flight to determine the sweet spot in wing dimensions that allows for hovering. The research solves an ages-old physics aerodynamics problem and could lead to improved aircraft design.
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Комментарии
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We are trying to replicate nature. Incredible.

Truthseeker
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No wonder moths are so clumsy. They have to adjust their entire body every time they flap their wings.

Koilosarx
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It's like they're treading water, except its air.

NedTheDread
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How could this be a physic mystery? What paper describes this as a avionic mystery?

FormulaPontiac
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А! Так вот как они это делают! Просто крыло двигаясь вперед и назад создает подъемную силу направленную под углом к силе тяжести. Горизонтальные составляющие компенсируют друг-друга, оставляя только вертикальную составляющую. Наверно, для реализации этого принципа на летательном аппарате, придется использовать мягкое крыло или некоторое количество жестких крыльев способных смещаться относительно друг-друга. В противном случае будет происходить срыв потока на задней части крыла, что существенно уменьшит, создаваемую им, подъемную силу.

Интересно, как колибри ощущает такой полет. Вряд ли она может прочувствовать отдельные взмахи крыла. Наверно, ее полет больше похож на нервный тик. :)

ЮрийДолотказин-сы
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Looks impossible, but it's not O.o

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