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Tesla Coil ExperimentsA homemade Tesla Coil is great for special effects style science experiments. The high voltage, high frequency output can cause strange effects in all sorts of materials. The Tesla Coil used in these experiments has a pipe inside the centre of the secondary coil. This pipe allows gas to be emitted from a small hole in the topload sphere. Electricity and Fire These images show how the electrical hot plasma from the Tesla Coil blends with the cold plasma of the flame. Click on the photos for a full view. The rightmost image shows the electrical discharge through a hot jet
flame like that of a bunsen burner. This flame causes the arc to stay
mostly in one filament until the turbulence becomes too great. Noble Gases These photos show what happens when pure Neon gas is emitted from the
top sphere of a small Tesla Coil. Neon has a much lower ionization voltage
than air, so the gas will glow very brightly creating a plasma column
to allow the arcs to be much larger. The picture on the right looks similar
to the 'death ray' devices used in the movie War of the Worlds! You can
see when tuned correctly the individual filaments tend to form multiple
helices, allowing the plasma column to rise quite high. We can see from these images that the Neon only helps to increase the length of the plasma filaments when it is still relatively concentrated. The neon is not 'burnt' or consumed, but it quickly mixes with the air, and its effects on the plasma become negligible.
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| AlphaCoiler | Wednesday, 3rd May 2006 4:31am - No.54 |
| Some really fascinating photos. More Please! | |
| swordofthespirit | Friday, 16th February 2007 7:31pm - No.780 |
| Can you tell me some sort of guide to making a tesla coil? | |
| RMCybernetics | Friday, 16th February 2007 9:45pm - No.781 |
| You can see how this Tesla Coil was made on the following pages; DIY Tesla Coil DIY Power Pulse Generator (A Tesla Coil Driver) | |
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