Re: Odd streamer photograph (fwd)

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Original poster: List moderator <mod1@xxxxxxxxxx>



---------- Forwarded message ----------
Date: Fri, 18 May 2007 18:19:43 -0700
From: Barton B. Anderson <bartb@xxxxxxxxxxxxxxxx>
To: Tesla list <tesla@xxxxxxxxxx>
Subject: Re: Odd streamer photograph (fwd)

Hi Matt,

Here's an image I raised gamma to 2.4 and adjusted the color-balance to 
identify hot stops of the arc at. I cropped the left arcing side of the 
picture to reduce the size of the image.
http://www.classictesla.com/temp/1000194xf1-bba.jpg

Note that there is a hot spot which the small vertical streamer appears 
to have resided from. Probably not a previous arc. Just a chosen 
direction for the streamer itself. There's really a lot of neat things 
going on in our streamers. This pic pretty much gives a good indication 
of the overall situation. Note the hot spot at the toroid. Follow those 
streamers to the second hot spot. You can see from the streamers 
emanating from that 2nd hot spot that the 3rd hot spot was developed 
from the 2nd hot spot. I expect that little vertical streamer was 
influenced by the 2nd hot spots magnetic fields (just a theory).

Things like this occur with sparks. It's great that you noticed it and 
captured the subtle difference on image.

Our coils are often termed disruptive coils with a chaotic output. 
Although they are disruptive coils, the streamer propagation has a 
definite physics which governs the path the streamer travels, and part 
of those physics is the tip of the streamer itself. As seen in natural 
God created lightning and even our coils, streamers can change direction 
in an instance. But isn't it interesting that the change in path is 
really not all that great. Sure it diverts from time to time, but the 
general direction is "away" from the point of origin. I've never seen an 
arc in natural lightning or in man made device travel outward and then 
back near it's origin. If high power and highly mistuned coils, they do 
sometimes come close by hitting about 1/3 down the coil itself, but 
that's a different problem (I once had).

Take care,
Bart

Tesla list wrote:

>Original poster: List moderator <mod1@xxxxxxxxxx>
>
>
>
>---------- Forwarded message ----------
>Date: Thu, 17 May 2007 21:33:54 -0400 (EDT)
>From: M G <gt4awd@xxxxxxxxx>
>To: Tesla list <tesla@xxxxxxxxxx>
>Subject: Re: Odd streamer photograph (fwd)
>
>Here's a link to the original sized photograph.
>2576x1932
>http://img526.imageshack.us/img526/2793/1000194xf1.jpg
>
>Thanks,
>Matt G (not Hall).
>