vortex separation

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• Helikon vortex separation process — The Helikon vortex separation process is an aerodynamic uranium enrichment process designed around a device called a vortex tube. This method was designed and used in South Africa for producing reactor fuel with a uranium 235 content of around… …   Wikipedia

• Vortex tube — For the term vortex tube used in fluid dynamics please see: vorticity The vortex tube, also known as the Ranque Hilsch vortex tube, is a mechanical device that separates a compressed gas into hot and cold streams. It has no moving parts.… …   Wikipedia

• Vortex shedding — is an unsteady flow that takes place in special flow velocities (according to the size and shape of the cylindrical body). In this flow, vortices are created at the back of the body and detach periodically from either side of the body. See Von… …   Wikipedia

• Vortex ring — (Physics) A ring shaped mass of moving fluid which, by virtue of its motion of rotation around an axis disposed in circular form, attains a more or less distinct separation from the surrounding medium and has many of the properties of a solid.… …   The Collaborative International Dictionary of English

• Vortex generator — A vortex generator is an aerodynamic surface, consisting of a small vane that creates a vortex.Peppler, I.L.: From The Ground Up , page 23. Aviation Publishers Co. Limited, Ottawa Ontario, Twenty Seventh Revised Edition, 1996. ISBN 09690054 9 0]… …   Wikipedia

• Vortex Street de Kármán — Allée de tourbillons de Karman allée de tourbillons de Karman au large de l île Rishiri au Japon …   Wikipédia en Français

• Vortex — A vortex (pl. vortices ) is a spinning, often turbulent, flow of fluid. Any spiral motion with closed streamlines is vortex flow. The motion of the fluid swirling rapidly around a center is called a vortex. The speed and rate of rotation of the… …   Wikipedia

• Séparation cyclonique — Cyclone (séparation) Pour les articles homonymes, voir Cyclone (homonymie). Schéma simplifié d un cyclone Un cyclone est une unité technologique impo …   Wikipédia en Français

• vortex generator — Small, low aspect ratio airfoils mounted in pairs on the upper surface of the wings of high speed aircraft. These project into the boundary layer and are meant to energize the stagnant boundary layer to promote better flow over the surface and… …   Aviation dictionary

• Isotope separation — is the process of concentrating specific isotopes of a chemical element by removing other isotopes, for example separating natural uranium into enriched uranium and depleted uranium. This is a crucial process in the manufacture of uranium fuel… …   Wikipedia

• Cyclonic separation — A simple cyclone separator Cyclonic separation is a method of removing particulates from an air, gas or liquid stream, without the use of filters, through vortex separation. Rotational effects and gravity are used to separate mixtures of solids… …   Wikipedia