Stories about: turbulent flow

Undulating Skin May Reduce Drag on Airplanes Chaotic fluid movements in gases and liquids often increase the friction and drag on vehicles such as aircrafts and submarines, but this could easily change by creating a skin imitating that of dolphins, which has the ability to modify its shape and decrease drag coefficient by up to 50 percent. Such a material cover...	18 April 2008 05:42 GMT

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Undulating Skin May Reduce Drag on Airplanes