Wing | Wikipedia audio article
Channel: wikipedia tts
Date: 2019-10-04

This is an audio version of the Wikipedia Article:
https://en.wikipedia.org/wiki/Wing


00:00:55 1 Etymology and usage
00:01:33 2 Aerodynamics
00:04:19 2.1 Cross-sectional shape
00:05:33 3 Design features
00:07:59 4 Applications and variants
00:09:11 4.1 In nature
00:09:46 4.2 Tensile structures
00:10:25 5 See also



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Voice name: en-GB-Wavenet-A


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SUMMARY
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A wing is a type of fin that produces lift, while moving through air or some other fluid. As such, wings have streamlined cross-sections that are subject to aerodynamic forces and act as airfoils. A wing's aerodynamic efficiency is expressed as its lift-to-drag ratio. The lift a wing generates at a given speed and angle of attack can be one to two orders of magnitude greater than the total drag on the wing. A high lift-to-drag ratio requires a significantly smaller thrust to propel the wings through the air at sufficient lift.
Lifting structures used in water, include various foils, including hydrofoils. Hydrodynamics is the governing science, rather than aerodynamics. Applications of underwater foils occur in hydroplanes, sailboats and submarines.