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Re: [TCML] Tesla coil x Van de Graaff

Em 11/11/2016 03:04, jimlux escreveu:
On 11/10/16 4:08 PM, Antonio Queiroz wrote:

Did someone see what happens if you operate a Tesla coil close to a Van
de Graaff generator, of similar size?

Antonio Carlos M. de Queiroz

With the VDG running? Or just sitting there.

I've run my table top TC next to a tabletop VDG (Science First with the 14" spheroid top electrode). The VDG top accumulates charge and you get some streamers reaching out towards it.

The Boston Museum Of Science show has a bunch of large (By TC standards) coils running next to a very large VDG. When the VDG is running, pretty much anything with curvature in the vicinity shows corona streamers. I don't recall if there were any streamers or phenomena from the sphere on the VDG when they were running the TC.
Of course with the VDG running. I would expect some change in the shape of the streamers, as with one polarity the charge in them would be attracted while with the other it would be repelled by the VDG. But as the alternance is fast the effect is probably subtle. Corona around the VDG may be affected too, but this would be more difficult to see. I will try when the weather gets drier here.

Antonio Carlos M. de Queiroz

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