Quench, Coherence etc.

• To: "'Tesla List'" <tesla-at-pupman-dot-com>
• Subject: Quench, Coherence etc.
• From: Tesla List <tesla-at-stic-dot-net>
• Date: Mon, 10 Aug 1998 23:16:19 -0500
• Approved: tesla-at-stic-dot-net

----------
From:  Malcolm Watts [SMTP:MALCOLM-at-directorate.wnp.ac.nz]
Sent:  Monday, August 10, 1998 9:07 PM
To:  tesla-at-pupman-dot-com
Subject:  Re: Quench, Coherence etc.

Earlier I wrote:

<snip>
>   A most interesting thing was noted that suggests that optimum 
> quench <> optimum sparks (also suggested in the spark lengths above).
> For the same breakout conditions, the amplitude of the waveform was
> significantly higher in the second ringup than if the system 
> optimally quenched and decayed. In effect, the coil had two hits at 
> the air some time apart and with still high amplitude on the second 
> hit.

In case that sounds like nonsense, the second ringup presented the 
air with a higher voltage further out in time but at the expense of 
presenting a null in between as energy ended up back in the primary. 
In effect what happened was (air streamers only):

   *
     * 
 *      *
            *
                 *
*                      *   1st notch quench 



   *
           *
 *   *
         *    *
                  *
*      *                *   2nd notch quench

1st ringup time and amplitudes are identical. I have the two 
waveforms in the scope and am looking at them superimposed right now.

Malcolm

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