How does an aircraft stay in the sky, and how do wings work? Fasten your seatbelts, and let's explore.
“You can clearly feel the lift force,” Babinsky says. In this straightforward scenario, the air is hitting the bottom of your hand, being deflected downwards, and in a Newtonian sense , your hand is being pushed upwards.But a wing, of course, is not shaped like your hand, and there are additional factors to consider.
With a wing—and picture it angled up somewhat, like your hand out the window of the car—what happens is that the air encounters the rounded leading edge. “On the upper surface, the air will attach itself, and bend round, and actually follow that incidence, that angle of attack, very nicely,” he says.
“The velocity over the top of the wing is, in general, greater than the velocity below the wing,” she continues, “and that means the pressure above the wing is lower than the pressure below the wing, and that difference in pressure generates an upward lifting force.” Is your head constantly spinning with outlandish, mind-burning questions? If you’ve ever wondered what the universe is made of, what would happen if you fell into a black hole, or even why not everyone can touch their toes, then you should be sure to listen and subscribe to Ask Us Anything, a podcast from the editors of Popular Science. Ask Us Anything hits
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