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Message ID: 1518     Entry time: Fri Apr 24 16:24:25 2009
Author: rob 
Type: Omnistructure 
Category: VAC 
Subject: Paschen 

In response to Steve's elog entry, and for 40m posterity, I provide the Paschen Curve.

Attachment 1: paschens.png  75 kB  | Hide | Hide all
paschens.png
Attachment 2: paschenplot.m  1018 Bytes  Uploaded Fri Apr 24 17:26:45 2009  | Hide | Hide all
% Paschen Curve plotting

% From http://home.earthlink.net/~jimlux/hv/paschen.htm

% Breakdown voltage:
% Vbreakdown = B * p * d / (C + ln( p * d))
% 
% Breakdown field strength:
% Ebreakdown = p * ( B / ( C + ln ( p * d)))
% 
... 38 more lines ...
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