I have imagined that using a high powered (5mw) laser would create an
ionized channel through the atmosphere for streamers to follow. I wonder if
anybody has done this, yet?
David Thomson
On Sun, Sep 6, 2020 at 11:40 AM David Varas via Tesla <tesla@xxxxxxxxxx>
wrote:
> We are debating in a social network, if the length of a serpentine
> requires a much lower voltage than theorized due to the channel of ionized
> gas that it is generating and that reduces the energy expenditure of said
> discharge.I argue that that theory has overlooked some issues.Is true,
> beyond a few tens of centimeters, the development of an electric arc cannot
> be simplified to a directly proportional relationship (an ascending
> straight line on an x-y diagram) because it becomes very complex and many
> variables are involved. It is also true that each discharge pulse leaves an
> open channel of ionized gas that makes the next discharge not need as much
> energy to reach the point where the previous discharge was extinguished,
> and that reserve of "unspent" energy allows it to reach a little further
> than the previous one, and so on. So you might think that in the end, a
> streamer can reach a distance x (for example 3.3m) driven by a voltage much
> smaller than the theoretical one based o
> n that directly proportional relationship. But streamers are not a
> one-line channel of constant thickness and directionality (like a tube or
> cable). Streamers behave like lightning in a storm. In a storm, the
> discharge, with an average length of 10 km, falls with a stepped structure,
> approx. every 45 meters, it branches and / or changes direction,
> dissipating a large amount of energy. Similarly, the discharge that
> originates in the toroid, branches and / or changes direction. and it is in
> those events where it loses the energy that "supposedly was going to be
> saved" and even more, what in the end would give rise to a discharge of
> length x (example 3.3 m) that actually needed to be driven by a voltage
> even greater than that theorized by calculations, due to all the energy
> that was dissipated in the route, and that was not used to generate and
> maintain that channel of ionized gas.
>
> David Varas
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