40MHz Spark Gap Behavior

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From:  John H. Couture [SMTP:couturejh-at-worldnet.att-dot-net]
Sent:  Monday, April 20, 1998 2:03 AM
To:  Tesla List
Subject:  Re: 40MHz Spark Gap Behavior

At 10:26 PM 4/17/98 -0500, you wrote:
>
>----------
>From:  NTesla [SMTP:ntesla-at-ntesla.csd.sc.edu]
>Sent:  Thursday, April 16, 1998 10:16 AM
>To:  tesla-at-pupman-dot-com
>Subject:  40MHz Spark Gap Behavior
>
>
>>----------
>>From:  Jeff Corr [SMTP:corr-at-enid-dot-com]
>>Sent:  Wednesday, April 15, 1998 11:32 PM
>>To:  Tesla List
>>Subject:  Re: 40MHz Spark Gap Behavior
>>
--------------------------------  Snip

>Look at it like a rifle bullet. Assume that a given amount of gunpowder
>will produce a given amount of explosive force. Cause the gunpowder to burn
>slowly, and all the force will be expended over a great amount of time, and
>may never even build enough pressure to move the bullet to end of the rifle
>barrel. On the other hand, the same amount of force, expended in a
>microsecond, can propel the bullet so fast that simple air friction can
>turn the slug molten in flight. Same amount of energy, same amount of
>force, much different levels of power :)

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Dan -

Bringing force into the picture complicates the picture.  The force would
not be the same because of  F = ma. The power would change and so would the
force.

Power = force x dL/dt = energy/dt        L = distance
Note that force x distance = work = energy

The energy in the powder would be the same in both cases.

It is interesting to note that force is a factor in Tesla coils. The large
instantaneous  currents in the primary circuit can cause large forces
between the primary conductors and between the primary coil windings.

John Couture

--------------------------------------   snip

>That's how I think of it, anyway ;)
>
>Hope this helps,
>
>Dan
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