Re: Coily Things

To: tesla-at-poodle.pupman-dot-com
Subject: Re: Coily Things
From: Tesla List <tesla-at-stic-dot-net>
Date: Mon, 24 Mar 1997 19:37:10 -0600
Approved: tesla-at-stic-dot-net

Subject: 
            Re: Coily Things
       Date: 
            Mon, 24 Mar 1997 09:08:48 +1200
       From: 
            "Malcolm Watts" <MALCOLM-at-directorate.wnp.ac.nz>
Organization: 
            Wellington Polytechnic, NZ
         To: 
            tesla-at-pupman-dot-com


Hi Greg,

> Bonus Question -- Based on the following information,
> ----------------------------------------------------------------------
> I found (in several volumes) Charles Steinmetz's lectures at the local
> used bookstore.  In volume I, he gives the power consumed by an arc as
> 
> p = c * l * sqrt(i)
> 
> (c is an empirical constant, l is length, i is current)
> 
> The reasoning is that the current is proportional to the cross-section
> of
> the arc, while losses due to convection, radiation, etc. are
> proportional
> to the surface area of the arc.
> -Chris Bailey 
> -------------------------------------------------------------------------
> 
> Should the arc impedance increase, decrease, or remain the same as the
> output power is increased?
> 
> 
> -GL

       I ended up with an equation that related Zstreamer to 
length/SQRT(I^3) starting from the equation you gave. I would guess Z 
goes up for air streamers and down for attached ones. Dubious.....

Malcolm