round vortex

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• Vortex ring — A vortex ring, also called a toroidal vortex, is a region of rotating fluid moving through the same or different fluid where the flow pattern takes on a doughnut shape. The movement of the fluid is about the poloidal or circular axis of the… …   Wikipedia

• Vortex ring toys — A vortex ring is a rolling donut of fluid which is moving through another fluid. A smoke ring is a common example of a vortex ring. Because of the way they rotate, a vortex ring can hold itself together and travel for quite a distance.Vortex ring …   Wikipedia

• vortex — [[t]vɔ͟ː(r)teks[/t]] vortexes, vortices (plural) [pr][[t]vɔ͟ː(r)tɪsiːz[/t]][/pr] 1) N COUNT A vortex is a mass of wind or water that spins round so fast that it pulls objects down into its empty centre. The polar vortex is a system of wintertime… …   English dictionary

• round — Synonyms and related words: Attic, Charybdis, Chateaubriand, Ciceronian, Indian file, O, O shaped, SRO, about, absolute, ace, admitting no exception, again, air lane, all but, all over, all out, almost, ambagious, ambit, amount, annular, annular… …   Moby Thesaurus

• vortex — Synonyms and related words: Charybdis, Maelstrom, ado, agitation, back stream, backflow, backwash, backwater, bother, botheration, brouhaha, burst, bustle, cirrus, coil, commotion, condensation trail, contrail, corkscrew, countercurrent,… …   Moby Thesaurus

• vortex — n. 1. Whirl, whirlpool, eddy. 2. Whirlwind, eddy. 3. Whirl, whirlwind, whirlpool, maelstrom, dizzy round …   New dictionary of synonyms

• round shape — noun a shape that is curved and without sharp angles • Hypernyms: ↑shape, ↑form • Hyponyms: ↑bulb, ↑cone, ↑conoid, ↑cone shape, ↑disk, ↑disc, ↑ …   Useful english dictionary

• Starting vortex — The starting vortex is a vortex which forms in the air adjacent to the trailing edge of an airfoil as it is accelerated from rest in a fluid. [Clancy, L.J., Aerodynamics , Figure 4.7] It leaves the airfoil (which now has an equal but opposite… …   Wikipedia

• The Enigma of the Warwickshire Vortex — is a short story about Sherlock Holmes written by F. Gwynplaine MacIntyre. It was originally published in The Mammoth Book of New Sherlock Holmes Adventures , a 1997 anthology edited by Mike Ashley for Robinson Publishing and Carroll and Graf… …   Wikipedia

• List of Doctor Who items — This is a list of items from the BBC television series Doctor Who. Contents: Top · 0–9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z 0–9 …   Wikipedia

• NIST hash function competition — Cryptography portal The NIST hash function competition is an open competition held by the US National Institute of Standards and Technology for a new SHA 3 function to replace the older SHA 1 and SHA 2, which was formally announced in the Federal …   Wikipedia