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Re: [TCML] Spark gaps (again)



The thing are the resistances of gap arc columns.
They are not the same I think becouse the impulse arc has the expansive evolution.
How much they  differ I don't know :( 
Any proof for that?

Dex  

--- jimlux@xxxxxxxxxxxxx wrote:

From: jimlux <jimlux@xxxxxxxxxxxxx>
To: Tesla Coil Mailing List <tesla@xxxxxxxxxx>
Cc:
Subject: Re: [TCML] Spark gaps (again)
Date: Thu, 05 Mar 2009 20:30:25 -0800

Dex Dexter wrote:
> I guess the 'arc column' voltage drop must be considerably higher in
> a pulsed transient arc lasting for 10-20 microseconds than in a
> steady state arc of the same lenght and current.How much higher I
> don't know.Catode drops should be the same in both cases.Yes/No?

Cathode drop would be the same.
The arc column heats up in microseconds (viz camera flash), so I don't 
know that TC arcs are all that different than a free-burning arc.


 

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