# Re: Arc length equation (fwd)

```---------- Forwarded message ----------
Date: Mon, 09 Jul 2007 03:59:03 +0000
From: Langer Giv'r <transworldsnowboarding19@xxxxxxxxxxx>
To: mod1@xxxxxxxxxx
Subject: Re: Arc length equation

Hi again

That equation for spark length does show the relation between power output
and arc length, but I was looking more for what makes more of a difference
in arc length, voltage or current?

Thanks for the help!

Daniel.

>From: List moderator <mod1@xxxxxxxxxx>
>To: Langer Giv'r <transworldsnowboarding19@xxxxxxxxxxx>
>Subject: Re: Arc length equation
>Date: Thu, 5 Jul 2007 22:39:46 -0600 (MDT)
>
>Hi Daniel.
>
>There was just such an equation posted.  Check out the archives, june
>2007, the thread is Jonathon's 6" Coil.
>
>Let me know if this doesn't do the trick.
>
>Chip
>
>On Fri, 6 Jul 2007, Langer Giv'r wrote:
>
> > Hey, I am currently in my second year of Engineering at the University
>of
> > Alberta.  I am just wondering if it is possible to derive an equation
>for
> > arc length as a function of voltage and current, given temperature,
>density,
> > dielectric strength, frequency, and any other variables that might come
>into
> > play and make the equation uncontrolled for anything except voltage and
> > current.  The purpose of this is to create a data set, and plot it onto
>a
> > graph in 3 space to find out what creates the most breakdown, voltage or
> > current (for a given quantity, as you obviously cannot match current
>with
>all
> > wrong and there is a simple answer that I have not yet read.  Oh well,
>doing
> > this is good experience anyways.  I was thinking something along the
>lines
> > of:
> >
> >     L(E,I) = unknown variables and given quantities.
> >
> > This multivariable equation will then be partially differentiable
>because
> > there are only two variables as everything else in the equation must be
> > known.
> >
> > If the equation is then plotted on a 3D graph with z = L, x = E, y = I,
>the
> > surface graphed should show peaks showing which variable adds to the arc
> > length the most.
> >
> > I havent quite thought that far into the fact that voltage and current
>are
> > related (which is probably huge).
> >
> > Thanks a lot,
> >
> > Daniel
> >
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>

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