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Re: 20 joules at 100 bps vs 4 joules at 500 bps

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Subject: Re: 20 joules at 100 bps vs 4 joules at 500 bps
From: "Tesla list" <tesla@xxxxxxxxxx>
Date: Tue, 02 Aug 2005 13:30:03 -0600
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Original poster: Jim Lux <jimlux@xxxxxxxxxxxxx>

At 12:01 AM 8/2/2005, Tesla list wrote:

Original poster: "Gerry  Reynolds" <gerryreynolds@xxxxxxxxxxxxx>
Hi Jim,
I believe the 3MV/m is also for a nonuniform field. If the E field is at this level only within an inch of the surface of the toroid, that inch of air will breakdown and start forming a streamer. Yes???

Gerry R.

yes, you're right.. I guess what I meant was that you can't use 3MV/m to calculate spark gap breakdown voltage, since most gaps don't have anywhere near a uniform field. As you say, wherever the local field is greater than 3MV/m, breakdown can start.

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