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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. The gas emerging from the hot end can reach temperatures of 200 °C (390 °F), and the gas emerging from the cold end can reach −50 °C (−60 °F). [ 1 ]
Georges-Joseph Ranque (7 February 1898 – 15 January 1973) was the inventor of the Ranque-Hilsch vortex tube, which generates streams of hot and cold gas from a stream of compressed gas. Georges-Joseph Ranque was born in Ambérieu-en-Bugey , France in 1898. [ 1 ]
A note on the bathtub vortex, General Dynamics/Astronautics, San Diego, California; Unsteady, viscous, circular flow Part 3. Application to the Ranque-Hilsch vortex tube, Convair Scientific Research Laboratory, San Diego
Created Date: 8/30/2012 4:52:52 PM
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A vortex tube is the surface in the continuum formed by all vortex lines passing through a given (reducible) closed curve in the continuum. The 'strength' of a vortex tube (also called vortex flux ) [ 10 ] is the integral of the vorticity across a cross-section of the tube, and is the same everywhere along the tube (because vorticity has zero ...
Ranque-Hilsch vortex tube: What happens when you blow in a hole in a tube? Hot air comes out one end and cold air comes out the other. No consensus reached on why it happens yet. Rheology of peanut butter: A serious analysis of the tastiest viscoelastic colloid. Shower-curtain effect
It can now be appreciated that the Hilsch tube is a fortuitous functional form which provides an internal flow configuration to generate an high velocity vortex, with a control valve to proportion the relative flows to achieve either maximum temperature drop ( an hundred degree F. or so drop from ambient ) or the Tube's maximum efficiency.