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Re: 20 joules at 100 bps vs 4 joules at 500 bps
- To: tesla@xxxxxxxxxx
- Subject: Re: 20 joules at 100 bps vs 4 joules at 500 bps
- From: "Tesla list" <tesla@xxxxxxxxxx>
- Date: Wed, 03 Aug 2005 19:58:12 -0600
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- Old-return-path: <vardin@twfpowerelectronics.com>
- Resent-date: Wed, 3 Aug 2005 19:58:35 -0600 (MDT)
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Original poster: Steve Ward <steve.ward@xxxxxxxxx>
No wonder my larger DRSSTC has a Freau number greater than 2
(confirmed 3300W input for 120" sparks). And interestingly, it seems
that my sparks would grow from say 3 feet at 450VDC to like 9 feet a
500VDC... there was a very sharp point at which the sparks just took
off (no pun intended).
Steve Ward
On 8/3/05, Tesla list <tesla@xxxxxxxxxx> wrote:
> Original poster: Steve Conner <steve@xxxxxxxxxxxx>
>
>
>
> >- medium gaps (< 1 m), Efield required 5 kV/m, breakdown with stable
> >streamers and final jump.
> >- large gaps (> 1 m), Efield required only 1 kV/m, breakdown with
> >leader-streamer phases and final jump.
>
> Does this explain why big coils are more efficient than little ones?
> Once you get beyond 1 metre of streamers, it looks like you need 5x
> less electric field to keep it growing.
>
> Steve Conner
>
>
>
>