smooth sphere vs unsmooth sphere
From: Jim Lux [SMTP:jimlux-at-earthlink-dot-net]
Sent: Sunday, April 05, 1998 3:25 PM
To: Tesla List
Subject: Re: smooth sphere vs unsmooth sphere
> From: Greg Leyh [SMTP:lod-at-pacbell-dot-net]
> Sent: Saturday, April 04, 1998 4:35 AM
> To: Tesla List
> Subject: Re: smooth sphere vs unsmooth sphere
> > http://www.coe.ufrj.br/~acmq
> I was wondering if the charge density limit can be used
> for de-rating a sphere with a broken surface, such as the
> ones I am using, made out of concentric rings.
> The 7ft sphere is made up of 1.5" dia pipe, spaced on 3.5"
> centers, and appears to breakout around 1.5MV.
> A smooth 7ft sphere would breakout at 1.06m x 3MV/m = 3.2MV.
Off hand, I wouldn't think so, except by a fortuitous circumstance. What
you really need to do is look at the field from a parallel set of
cylinders. Perhaps you might find something in a heat transfer book (like
in a boiler or condenser).