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Strange Spark Phenomena
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From: D.C. Cox [SMTP:DR.RESONANCE-at-next-wave-dot-net]
Sent: Sunday, February 01, 1998 10:17 PM
To: Tesla List
Subject: Re: Strange Spark Phenomena
to: Jim
You might also wish to look up Trichel pulses -- a similar phenomonea to
that which you have observed.
DR.RESONANCE-at-next-wave-dot-net
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> From: Tesla List <tesla-at-pupman-dot-com>
> To: 'Tesla List' <tesla-at-pupman-dot-com>
> Subject: Strange Spark Phenomena
> Date: Sunday, February 01, 1998 1:49 PM
>
>
> ----------
> From: Antonio Carlos M. de Queiroz [SMTP:acmq-at-compuland-dot-com.br]
> Sent: Friday, January 30, 1998 11:23 PM
> To: Tesla List
> Subject: Re: Strange Spark Phenomena
>
> Jim Lux wrote:
>
> > I have noticed a phenomenon with my Van deGraaf generator that the
sparks
> > are divided into two parts, a bright part and a thin part, always the
same
> > orientation relative to the polarity of the discharge. This might be
> > because of the phenomenon of limited stored energy, where the leader
> > extends, then collapses back into the electrode.
>
> In a low-energy DC spark the positive end is always brighter. Apparently
> because the current is more concentrated at that end. I have seen also
(DC)
> sparks with bright and dim areas in a pattern along the spark, and the
> patterns changing with the distance between the terminals. I suspect of
> oscillations at very high frequency, with nodes with higher and lower
> currents formed.
>
> Antonio Carlos M. de Queiroz
> mailto:acmq-at-compuland-dot-com.br
> http://www.coe.ufrj.br/~acmq
>