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All information on this site can be freely used all I ask is that a little credit is given to where it was found and that the researcher and or animator (me) be mentioned. Also if so inclined a nice little donation would help also :-) Thank You

The goal of this information/research is to:

1) Translate the vortex geometry (like in a vortex tube) into modulated laser/audio signals thereby creating a heating and/or cooling effect.

2) See what effect this modulated laser/audio signal will have on different elements.

 

How a Vortex Tube works

Compressed air, normally 80-100 PSIG (5.5 - 6.9 BAR), is ejected tangentially through a generator into the vortex spin chamber. At up to 1,000,000 RPM, this air stream revolves toward the hot end where some escapes through the control valve. The remaining air, still spinning, is forced back through the center of this outer vortex. The inner stream gives off kinetic energy in the form of heat to the outer stream and exits the vortex tube as cold air. The outer stream exits the opposite end as hot air.

vortex_animation

Vortex Tube history and theory



The two questions we’re most often asked about the vortex tube are, "How long has it been
around?" and "How does the thing work?". Following is a brief history and theory of the vortex tube.

The vortex tube was invented quite by accident in 1928. George Ranque, a French physics student, was experimenting with a vortex-type pump he had developed when he noticed warm air exhausting from one end, and cold air from the other. Ranque soon forgot about his pump and started a small firm to exploit the commercial potential for
this strange device that produced hot and cold air with no moving parts. However, it soon failed and the vortex tube slipped into obscurity until 1945 when Rudolph Hilsch, a
German physicist, published a widely read scientific paper on the device.

Much earlier, the great nineteenth century physicist, James Clerk Maxwell postulated that since heat involves the movement of molecules, we might someday be able to get
hot and cold air from the same device with the help of a "friendly little demon" who would sort out and separate the hot and cold molecules of air. Thus, the vortex tube has been variously known as the "Ranque Vortex Tube", the
"Hilsch Tube", the "Ranque-Hilsch Tube", and "Maxwell’s Demon". By any name, it has in recent years gained acceptance as a simple, reliable and low cost answer to a
wide variety of industrial spot cooling problems.

A vortex tube uses compressed air as a power source, has no moving parts, and produces hot air from one end and cold air from the other. The volume and temperature of these two
airstreams are adjustable with a valve built into the hot air exhaust. Temperatures as low as -50°F (-46°C) and as high as +260°F (127°C) are possible.

 

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