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

Original poster: "Antonio Carlos M. de Queiroz" <acmdq@xxxxxxxxxx>

Tesla list wrote:

Original poster: "Dmitry (father dest)" <dest@xxxxxxxxxxx> 

for a nonuniform field you don`t need so high voltages - it would be enough
much smaller.
http://www.kronjaeger.com/hv/hv/msr/spk/index.html


The 30 kv/cm is for electric field. If the geometry is not two parallel
plates, breakdown occurs when the electric field somewhere hits this
value. I have the exact formula for two ideal spheres implemented in
the Inca program. A good (approximate) simple formula for two identical
spheres can be found in the "North report" (look in the archives).
Needles cause some weird effect, probably related to the same phenomenon
that causes small gaps to not obbey the same rule. That thing of sparks
never occurring with less than 300 V. (Why? Is this really true?)

my english is much worse - ask Antonio :-))) 

Perfectly understandable...

Antonio Carlos M. de Queiroz