# Vortex theory

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Vortex theory
Vortex theory Vortex theory (Chem. & Physics) The theory, advanced by Thomson (Lord Kelvin) on the basis of investigation by Helmholtz, that the atoms are vortically moving ring-shaped masses (or masses of other forms having a similar internal motion) of a homogeneous, incompressible, frictionless fluid. Various properties of such atoms (

{vortex atoms}) can be mathematically deduced. This theory is now (1998) obsolete, and has been superseded by quantum mechanics, which provides more accurate and detailed explanations of atomic behavior. [Webster 1913 Suppl. +PJC]

The Collaborative International Dictionary of English. 2000.

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• vortex theory — noun A theory (by Kelvin) that the material atom consists of a vortically moving frictionless fluid • • • Main Entry: ↑vortex …   Useful english dictionary

• Vortex theory — may refer to: *Mechanical explanations of gravitation a theory to explain gravitation. *History of knot theory a theory to explain the atom …   Wikipedia

• vortex atoms — Vortex theory Vortex theory (Chem. & Physics) The theory, advanced by Thomson (Lord Kelvin) on the basis of investigation by Helmholtz, that the atoms are vortically moving ring shaped masses (or masses of other forms having a similar internal… …   The Collaborative International Dictionary of English

• Vortex induced vibration — Vortex induced vibrations (VIV) are motions induced on bodies facing an external flow by periodical irregularities on this flow. The classical example is the VIV of an underwater cylinder. You can see how this happens by putting a cylinder into… …   Wikipedia

• Vortex — Vor tex, n.; pl. E. {Vortexes}, L. {Vortices}. [L. vortex, vertex, icis, fr. vortere, vertere, to turn. See {Vertex}.] [1913 Webster] 1. A mass of fluid, especially of a liquid, having a whirling or circular motion tending to form a cavity or… …   The Collaborative International Dictionary of English

• Vortex atom — Vortex Vor tex, n.; pl. E. {Vortexes}, L. {Vortices}. [L. vortex, vertex, icis, fr. vortere, vertere, to turn. See {Vertex}.] [1913 Webster] 1. A mass of fluid, especially of a liquid, having a whirling or circular motion tending to form a cavity …   The Collaborative International Dictionary of English

• Vortex wheel — Vortex Vor tex, n.; pl. E. {Vortexes}, L. {Vortices}. [L. vortex, vertex, icis, fr. vortere, vertere, to turn. See {Vertex}.] [1913 Webster] 1. A mass of fluid, especially of a liquid, having a whirling or circular motion tending to form a cavity …   The Collaborative International Dictionary of English

• Vortex dynamics — In 1858 Hermann von Helmholtz published his seminal paper entitled Über Integrale der hydrodynamischen Gleichungen, welche den Wirbelbewegungen entsprechen, in Journal für die reine und angewandte Mathematik , vol. 55, pp.25 55. So important was… …   Wikipedia

• Vortex lattice method — The Vortex lattice method, (VLM), is a numerical, Computational fluid dynamics, method used mainly in the early stages of aircraft design and in aerodynamic education at university level. The VLM models the lifting surfaces, such as a wing, of an …   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